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/dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/.gitignore @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/.name b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/.name new file mode 100644 index 0000000..aa15e3e --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/.name @@ -0,0 +1 @@ +app.py \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/MarsCodeWorkspaceAppSettings.xml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/MarsCodeWorkspaceAppSettings.xml new file mode 100644 index 0000000..89805f6 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/MarsCodeWorkspaceAppSettings.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/dataSources.xml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/dataSources.xml new file mode 100644 index 0000000..c7b1935 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/dataSources.xml @@ -0,0 +1,35 @@ + + + + + sqlite.xerial + true + org.sqlite.JDBC + jdbc:sqlite:D:\软工课设\instance\movie_recommend.db + $ProjectFileDir$ + + + file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/xerial/sqlite-jdbc/3.45.1.0/sqlite-jdbc-3.45.1.0.jar + + + file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/slf4j/slf4j-api/1.7.36/slf4j-api-1.7.36.jar + + + + + sqlite.xerial + true + org.sqlite.JDBC + jdbc:sqlite:D:\软工课设 - 修改版1\instance\movie_recommend.db + $ProjectFileDir$ + + + file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/xerial/sqlite-jdbc/3.45.1.0/sqlite-jdbc-3.45.1.0.jar + + + file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/slf4j/slf4j-api/1.7.36/slf4j-api-1.7.36.jar + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/inspectionProfiles/profiles_settings.xml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/inspectionProfiles/profiles_settings.xml new file mode 100644 index 0000000..105ce2d --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/inspectionProfiles/profiles_settings.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/misc.xml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/misc.xml new file mode 100644 index 0000000..cc40be4 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/misc.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/modules.xml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/modules.xml new file mode 100644 index 0000000..f437c7c --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/软工课设.iml b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/软工课设.iml new file mode 100644 index 0000000..5f35331 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/.idea/软工课设.iml @@ -0,0 +1,18 @@ + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/MDBT.py b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/MDBT.py new file mode 100644 index 0000000..6749c80 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/MDBT.py @@ -0,0 +1,105 @@ +import requests +import json +import time +import random +from requests.adapters import HTTPAdapter +from urllib3.util.retry import Retry + + +def get_tmdb_50_movies(api_key): + base_url = "https://api.themoviedb.org/3" + movies = [] + output_file = "tmdb_50_movies.json" # 输出文件路径 + + # 尝试加载已保存的部分数据(如果存在) + try: + with open(output_file, "r", encoding="utf-8") as f: + existing_data = json.load(f) + movies = existing_data + print(f"检测到已保存{len(movies)}部电影,将继续爬取...") + except (FileNotFoundError, json.JSONDecodeError): + print("未检测到已有数据,将从头开始爬取") + + # 配置会话和重试策略 + retry_strategy = Retry( + total=3, + backoff_factor=1, + status_forcelist=[429, 500, 502, 503, 504], + allowed_methods=["GET"] + ) + adapter = HTTPAdapter(max_retries=retry_strategy) + session = requests.Session() + session.mount("https://", adapter) + session.mount("http://", adapter) + + # 爬取逻辑(从当前进度继续) + page = 1 + while len(movies) < 50: + url = f"{base_url}/movie/popular?api_key={api_key}&language=zh-CN&page={page}" + try: + # 随机延时,降低请求频率 + time.sleep(random.uniform(1, 2)) + response = session.get(url, timeout=10) + response.raise_for_status() + page_data = response.json() + + for movie in page_data["results"]: + # 跳过已爬取的电影(避免重复) + if any(m["title"] == movie["title"] for m in movies): + continue + # 控制总量不超过50 + if len(movies) >= 50: + break + + # 获取电影详情 + detail_url = f"{base_url}/movie/{movie['id']}?api_key={api_key}&language=zh-CN" + time.sleep(random.uniform(0.5, 1.5)) + detail_res = session.get(detail_url, timeout=10) + detail_res.raise_for_status() + detail_data = detail_res.json() + + # 提取信息 + movie_info = { + "title": detail_data["title"], + "genre": ", ".join([g["name"] for g in detail_data["genres"]]), + "description": detail_data["overview"], + "year": detail_data["release_date"].split("-")[0] if detail_data.get("release_date") else "未知", + "rating": detail_data["vote_average"], + "cover": f"https://image.tmdb.org/t/p/w500{detail_data['poster_path']}" if detail_data.get( + "poster_path") else "", + "tags": ", ".join([g["name"] for g in detail_data["genres"]]) + } + movies.append(movie_info) + print(f"已爬取 {len(movies)}/50 部:{detail_data['title']}") + + # 每爬取10部保存一次,避免意外丢失 + if len(movies) % 10 == 0: + with open(output_file, "w", encoding="utf-8") as f: + json.dump(movies, f, ensure_ascii=False, indent=2) + print(f"已临时保存{len(movies)}部电影数据") + + page += 1 + + except Exception as e: + print(f"\n爬取出错:{str(e)}") + # 出错时立即保存已爬取的数据 + with open(output_file, "w", encoding="utf-8") as f: + json.dump(movies, f, ensure_ascii=False, indent=2) + print(f"已保存当前进度:{len(movies)}部电影") + + # 询问是否继续 + choice = input("是否继续爬取?(y/n):") + if choice.lower() != "y": + print("爬取终止,已保存当前数据") + return + time.sleep(5) # 延迟5秒再重试 + + # 最终保存完整数据 + with open(output_file, "w", encoding="utf-8") as f: + json.dump(movies, f, ensure_ascii=False, indent=2) + print(f"爬取完成!共获取{len(movies)}部电影,数据已保存至{output_file}") + + +if __name__ == "__main__": + api_key = "6df978cd734acfa766eba02c1772ec0e" + get_tmdb_50_movies(api_key) \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/__pycache__/app.cpython-312.pyc b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/__pycache__/app.cpython-312.pyc new file mode 100644 index 0000000..488e869 Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/__pycache__/app.cpython-312.pyc differ diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/__pycache__/app.cpython-313.pyc b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/__pycache__/app.cpython-313.pyc new file mode 100644 index 0000000..0fa826f Binary files /dev/null and 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g +from models import db, User, UserBehavior, Movie, UserFavorite +from sqlalchemy import or_, text, func +from pathlib import Path +import os as _os +import numpy as np +import requests +import os +import random +from openai import OpenAI +from datetime import datetime, timedelta +import time +from threading import Lock + +# 初始化Flask应用 +app = Flask(__name__, static_folder='static', static_url_path='/static') +app.config['SECRET_KEY'] = 'your_custom_secret_key_123456' + +# 配置数据库 +app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///movie_recommend.db' # 使用单一数据库 +app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False + +# 初始化数据库 +db.init_app(app) + +# 创建电影封面存储文件夹 +COVER_DIR = Path(app.root_path) / 'static' / 'covers' +COVER_DIR.mkdir(parents=True, exist_ok=True) + +# 封面默认占位图(使用现有的 num.jpg 作为回退) +DEFAULT_COVER = 'static/covers/num.jpg' + +# 需要本地托管的第三方前端资源 +VENDOR_ASSETS = { + "tailwindcss.min.js": "https://cdn.tailwindcss.com", + "iconify.min.js": "https://code.iconify.design/3/3.1.1/iconify.min.js", + "echarts.min.js": "https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js", + "chart.min.js": "https://cdn.jsdelivr.net/npm/chart.js", +} + + +def ensure_vendor_assets(): + """在应用启动时下载必需的前端脚本,避免页面每次访问都拉取外网 CDN。""" + vendor_dir = Path(app.root_path) / 'static' / 'vendor' + vendor_dir.mkdir(parents=True, exist_ok=True) + + for filename, url in VENDOR_ASSETS.items(): + dest = vendor_dir / filename + if dest.exists() and dest.stat().st_size > 0: + continue + + try: + response = requests.get(url, timeout=10) + if response.status_code == 200: + dest.write_bytes(response.content) + print(f"已下载前端依赖: {filename}") + else: + print(f"下载 {url} 失败,状态码 {response.status_code}") + except Exception as e: + print(f"下载前端依赖失败 {url}: {e}") + + +ensure_vendor_assets() + + +@app.before_request +def _start_timer(): + """记录每个请求的开始时间,用于简单性能分析。""" + g._start_time = time.perf_counter() + + +@app.after_request +def _log_request_time(response): + """在控制台打印每个请求耗时,并在响应头中附加 X-Response-Time。""" + start = getattr(g, "_start_time", None) + if start is not None: + duration = (time.perf_counter() - start) * 1000 # ms + path = request.path + method = request.method + print(f"[PERF] {method} {path} took {duration:.1f}ms") + response.headers["X-Response-Time"] = f"{duration:.1f}ms" + return response + +# 定义可选的电影标签 +MOVIE_TAGS = [ + "科幻", "动作", "喜剧", "爱情", "悬疑", "恐怖", "动画", "纪录片", "奇幻", "冒险", + "战争", "犯罪", "剧情", "历史", "音乐", "家庭", "武侠", "古装", "灾难", "体育", + "传记", "歌舞", "青春", "励志", "黑色幽默", "奇幻冒险", "科幻动作", "爱情喜剧", + "校园", "犯罪心理", "成长", "悬疑推理", "社会", "传记历史", "犯罪悬疑", "政治", + "商业", "职场", "史诗", "短片", "家庭伦理", "儿童", "教育", + "惊悚悬疑", "武侠古装" +] + +# TMDB API配置 +TMDB_API_KEY = "6df978cd734acfa766eba02c1772ec0e" + +# 多个TMDB镜像地址 +TMDB_MIRRORS = [ + "https://api.themoviedb.org/3", # 官方 + "https://tmdb.api.qarchive.cn/3", # 国内镜像1 + "https://api.tmdb.org/3", # 备用 +] + +TMDB_IMAGE_BASE_URL = "https://image.tmdb.org/t/p/w500" + +# 本地电影数据库 +LOCAL_MOVIES = [ + { + "id": 1, + "title": "星际穿越", + "original_title": "Interstellar", + "genre_ids": [12, 18, 878], + "release_date": "2014-11-07", + "vote_average": 8.6, + "overview": "一群探险家利用他们针对虫洞的新发现,超越人类对于太空旅行的极限,从而开始在广袤的宇宙中进行星际航行。", + "poster_path": "/gEU2QniE6E77NI6lCU6MxlNBvIx.jpg" + }, + { + "id": 2, + "title": "盗梦空间", + "original_title": "Inception", + "genre_ids": [28, 53, 878], + "release_date": "2010-07-16", + "vote_average": 8.8, + "overview": "Dom Cobb是一名精于潜盗的神偷,专门趁目标人物于睡梦状态中思维最软弱的时候,潜入他们的意识中盗取机密资料。", + "poster_path": "/9gk7adHYeDvHkCSEqAvQNLV5Uge.jpg" + }, + { + "id": 3, + "title": "泰坦尼克号", + "original_title": "Titanic", + "genre_ids": [10749, 18], + "release_date": "1997-12-19", + "vote_average": 7.9, + "overview": "1912年4月10日,号称 '世界工业史上的奇迹'的豪华客轮泰坦尼克号开始了自己的处女航,从英国的南安普顿出发驶往美国纽约。", + "poster_path": "/9xjZS2rlVxm8SFx8kPC3aIGCOYQ.jpg" + }, + { + "id": 4, + "title": "阿凡达", + "original_title": "Avatar", + "genre_ids": [28, 12, 878], + "release_date": "2009-12-18", + "vote_average": 7.8, + "overview": "战斗中负伤而下身瘫痪的前海军战士杰克·萨利决定替死去的同胞哥哥来到潘多拉星操纵格蕾丝博士用人类基因与当地纳美部族基因结合创造出的 '阿凡达' 混血生物。", + "poster_path": "/kyeqWdyUXW608qlYkRqosgbbJyK.jpg" + }, + { + "id": 5, + "title": "复仇者联盟", + "original_title": "The Avengers", + "genre_ids": [28, 12, 878], + "release_date": "2012-05-04", + "vote_average": 7.7, + "overview": "一股突如其来的强大邪恶势力对地球造成致命威胁,没有任何一个超级英雄能够单独抵挡。长期致力于保护全球安危的神盾局感到措手不及,其指挥官'独眼侠'尼克·弗瑞意识到他必须创建一个'史上最强'的联盟组织,云集各方超级英雄一起发威,才能拯救世界于水深火热,抵御黑暗势力的侵袭。", + "poster_path": "/RYMX2wcKCBAr24UyPD7xwmjaTn.jpg" + }, + { + "id": 6, + "title": "钢铁侠", + "original_title": "Iron Man", + "genre_ids": [28, 878], + "release_date": "2008-04-30", + "vote_average": 7.6, + "overview": "斯塔克军火公司是美军在全球范围内第一大军火供应商,其新任掌门人托尼•斯塔克风流倜傥,天资聪颖。他与公司元老俄巴迪亚•斯坦合作无间,共同将斯塔克公司的业务推向顶峰。", + "poster_path": "/78lPtwv72eTNqFW9COBYI0dWDJa.jpg" + }, + { + "id": 7, + "title": "蝙蝠侠:黑暗骑士", + "original_title": "The Dark Knight", + "genre_ids": [28, 80, 18], + "release_date": "2008-07-18", + "vote_average": 9.0, + "overview": "从亲眼目睹父母被人杀死的阴影中走出来的蝙蝠侠,经历了成长之后,已经不再是那个桀骜不的孤单英雄了。在警官吉姆·戈登和检查官哈维·登特的通力帮助下,蝙蝠侠无后顾之忧地继续满世界的奔波。", + "poster_path": "/qJ2tW6WMUDux911r6m7haRef0WH.jpg" + }, + { + "id": 8, + "title": "肖申克的救赎", + "original_title": "The Shawshank Redemption", + "genre_ids": [18, 80], + "release_date": "1994-09-23", + "vote_average": 9.3, + "overview": "20世纪40年代末,小有成就的青年银行家安迪因涉嫌杀害妻子及她的情人而锒铛入狱。在这座名为肖申克的监狱内,希望似乎虚无缥缈,终身监禁的惩罚无疑注定了安迪接下来灰暗绝望的人生。", + "poster_path": "/hBcY0fEy9bnZXoDBxkqqImnk0rK.jpg" + }, + { + "id": 9, + "title": "阿甘正传", + "original_title": "Forrest Gump", + "genre_ids": [35, 18, 10749], + "release_date": "1994-06-23", + "vote_average": 8.8, + "overview": "阿甘于二战结束后不久出生在美国南方阿拉巴马州一个闭塞的小镇,他先天弱智,智商只有75,然而他的妈妈是一个性格坚强的女性,她常常鼓励阿甘'傻人有傻福',要他自强不息。", + "poster_path": "/arw2vcBveWOVZr6pxd9XTd1TdQa.jpg" + }, + { + "id": 10, + "title": "千与千寻", + "original_title": "千と千尋の神隠し", + "genre_ids": [16, 10751, 14], + "release_date": "2001-07-20", + "vote_average": 8.5, + "overview": "千寻和爸爸妈妈一同驱车前往新家,在郊外的小路上不慎进入了神秘的隧道——他们去到了另外一个诡异世界—一个中世纪的小镇。远处飘来食物的香味,爸爸妈妈大快朵颐,孰料之后变成了猪!", + "poster_path": "/39wmItIWsg5sZMyRUHLkWBcuVCM.jpg" + } +] + +# 初始化OpenAI客户端(使用API密钥) +api_key = os.environ.get("DASHSCOPE_API_KEY") or "sk-16b8ee5c8f8a4f8c8e6a3a4a6a3a4a6a" +client = OpenAI( + api_key=api_key, + base_url="https://dashscope.aliyuncs.com/compatible-mode/v1", +) + +# 扩展电影台词数据库 +MOVIE_QUOTES = { + 1: ["不要温和地走进那个良夜,老年应当在日暮时燃烧咆哮;怒斥,怒斥光明的消逝。"], + 2: ["我看见你。"], + 3: ["你是在等待一个永远不会出现的火车吗?"], + 4: ["我是世界之王!"], + 5: ["要么你像英雄一样死去,要么你活得足够长,看着自己变成恶人。"], + 6: ["复仇者,集结!"], + 7: ["我是钢铁侠。"], + 8: ["哈库那玛塔塔!"], + 9: ["不要忘记你的名字,否则你就找不到回家的路了。"], + 10: ["希望是美好的,也许是人间至善,而美好的事物永不消逝。"], + 11: ["人生就像一盒巧克力,你永远不知道下一块会是什么味道。"], + 12: ["我会回来的。"], + 13: ["我知道你在这里做什么,尼欧。"], + 14: ["见证我!"], + 15: ["我曾以为我的人生是一场悲剧,但现在我意识到,它是一场喜剧。"], + 16: ["恐惧是思维杀手。"], + 17: ["生活就像一盒巧克力,你永远不知道下一块会是什么味道。"], + 18: ["我不能回去昨天,因为那时我已经是另一个人了。"], + 19: ["一个你不能拒绝的提议。"], + 20: ["我要给他一个他无法拒绝的条件。"], + 21: ["人生总是这么艰难吗?还是只有童年如此?"], + 22: ["对不起,我是警察。"], + 23: ["早安,公主!"], + 24: ["拯救一个人,就是拯救整个世界。"], + 25: ["说好了一辈子,少一年、一天、一个时辰,都不是一辈子。"], +} + + +def resolve_cover_path(cover_path: str) -> str: + """如果指定封面不存在,则回退为 DEFAULT_COVER""" + try: + if not cover_path: + return DEFAULT_COVER + # 使用应用根目录进行绝对路径校验,避免工作目录不同导致误判 + normalized = cover_path.replace('/', _os.sep).lstrip(_os.sep) + p = Path(app.root_path) / normalized + if p.exists(): + return cover_path + # 兼容传入以/开头或带查询串的简单情况 + return DEFAULT_COVER + except Exception: + return DEFAULT_COVER + + +def build_cover_url(cover_path): + """简化封面URL处理,避免文件存在性检查""" + if not cover_path: + return DEFAULT_COVER + + # 如果是完整URL,直接返回 + if cover_path.startswith(('http://', 'https://')): + return cover_path + + # 如果是相对路径,直接返回静态路径 + if cover_path.startswith('static/'): + return f"/{cover_path}" + + # 默认处理 + return f"/static/covers/{cover_path}" if not cover_path.startswith('/') else cover_path + + +def ensure_local_cover(movie): + """检测并缓存远程封面,保证页面加载使用本地静态资源。 + + 注意:为避免在请求周期内阻塞,这里**不再**主动去网络下载远程图片; + 如需批量缓存封面,建议使用单独的脚本离线处理。 + 当前实现仅在封面已是本地路径时保持不变。 + """ + if not movie or not movie.cover: + return + + cover = movie.cover + # 如果已经是本地 static 路径,直接返回 + if cover.startswith('static/') or cover.startswith('/static/'): + return + + # 对于 http/https 的远程图片,此处不做任何网络请求,交给前端浏览器异步加载 + return + + +@app.route('/covers/') +def covers_file(filename): + """显式提供封面文件服务,避免静态路径不一致导致的404。""" + directory = Path(app.root_path) / 'static' / 'covers' + return send_from_directory(directory, filename) + + +def is_admin(): + """检查当前登录用户是否为管理员""" + if 'user_id' not in session: + return False + + user = User.query.get(session['user_id']) + return user and user.username == "admin" + + +# ------------------------------ +# TMDB API功能 - 智能回退模式 +# ------------------------------ +def search_tmdb_movies(keyword): + """智能搜索电影 - 优先TMDB,失败则使用本地数据""" + # 首先尝试各个TMDB镜像 + for mirror in TMDB_MIRRORS: + try: + url = f"{mirror}/search/movie" + params = { + 'api_key': TMDB_API_KEY, + 'query': keyword, + 'language': 'zh-CN', + 'page': 1 + } + + print(f"尝试TMDB镜像: {mirror}") + response = requests.get(url, params=params, timeout=3) + + if response.status_code == 200: + data = response.json() + movies = data.get('results', []) + if movies: + print(f"TMDB搜索成功,找到 {len(movies)} 部电影") + return movies + + except Exception as e: + print(f"TMDB镜像 {mirror} 失败: {e}") + continue + + # 所有TMDB镜像都失败,使用本地数据 + print("TMDB不可用,使用本地电影数据") + keyword_lower = keyword.lower() + local_results = [] + + for movie in LOCAL_MOVIES: + if (keyword_lower in movie['title'].lower() or + keyword_lower in movie['original_title'].lower() or + keyword_lower in movie['overview'].lower()): + local_results.append(movie) + + return local_results[:10] # 返回最多10部电影 + + +def get_tmdb_movie_detail(tmdb_id): + """获取电影详情 - 智能回退""" + # 首先尝试TMDB + for mirror in TMDB_MIRRORS: + try: + url = f"{mirror}/movie/{tmdb_id}" + params = { + 'api_key': TMDB_API_KEY, + 'language': 'zh-CN', + 'append_to_response': 'credits' + } + + response = requests.get(url, params=params, timeout=3) + if response.status_code == 200: + return response.json() + + except Exception: + continue + + # TMDB失败,从本地数据查找 + for movie in LOCAL_MOVIES: + if movie['id'] == tmdb_id: + # 构建一个类似TMDB响应的结构 + return { + 'id': movie['id'], + 'title': movie['title'], + 'original_title': movie['original_title'], + 'overview': movie['overview'], + 'release_date': movie['release_date'], + 'vote_average': movie['vote_average'], + 'poster_path': movie['poster_path'], + 'genres': [{'name': '剧情'}], # 简化处理 + 'credits': { + 'cast': [], + 'crew': [] + } + } + + return None + + +def clean_tmdb_data(tmdb_data): + """清理和验证TMDB数据""" + # 确保标题不为空 + title = tmdb_data.get('title', '').strip() + if not title: + return None, "电影标题不能为空" + + # 处理过长描述 + description = tmdb_data.get('overview', '').strip() + if len(description) > 1000: + description = description[:1000] + "..." + if not description: + description = f"{title} 的简介" + + # 验证评分范围(TMDB评分是10分制) + rating = tmdb_data.get('vote_average', 0.0) + if rating and (rating < 0 or rating > 10): + rating = 0.0 + + # 验证年份 + release_date = tmdb_data.get('release_date', '') + year = None + if release_date and len(release_date) >= 4: + year_str = release_date[:4] + if year_str.isdigit(): + year_int = int(year_str) + if 1900 <= year_int <= 2030: + year = year_int + + # 处理类型 + genres = tmdb_data.get('genres', []) + genre_names = [genre.get('name', '') for genre in genres if genre.get('name')] + genre_str = ','.join(genre_names) if genre_names else '剧情' + + # 处理封面 + poster_path = tmdb_data.get('poster_path', '') + cover_url = f"{TMDB_IMAGE_BASE_URL}{poster_path}" if poster_path else '/static/covers/num.jpg' + + return { + 'title': title, + 'genre': genre_str, + 'description': description, + 'year': year, + 'rating': float(rating) if rating else 0.0, + 'cover': cover_url, + 'tmdb_id': tmdb_data.get('id') + }, None + + +def import_movie_from_tmdb(tmdb_data): + """从TMDB数据导入电影到系统""" + try: + # 清理和验证数据 + cleaned_data, error = clean_tmdb_data(tmdb_data) + if error: + return None, error + + # 检查电影是否已存在(通过标题和年份) + existing_movie = Movie.query.filter_by(title=cleaned_data['title']).first() + if existing_movie: + return existing_movie, "电影已存在" + + # 创建新电影 + new_movie = Movie( + title=cleaned_data['title'], + cover=cleaned_data['cover'], + genre=cleaned_data['genre'], + description=cleaned_data['description'], + year=cleaned_data['year'], + rating=cleaned_data['rating'] + ) + + db.session.add(new_movie) + db.session.commit() + + return new_movie, "导入成功" + + except Exception as e: + db.session.rollback() + print(f"导入电影错误: {e}") + return None, f"导入失败: {str(e)}" + + +# ------------------------------ +# TMDB导入路由 - 智能模式 +# ------------------------------ +@app.route('/admin/import-from-tmdb') +def import_from_tmdb_page(): + """TMDB导入页面""" + if 'user_id' not in session: + return redirect(url_for('login')) + + if not is_admin(): + return render_template('error.html', error="权限不足:只有管理员可以访问此功能"), 403 + + # 测试网络连接 + network_status = "正在检测网络连接..." + tmdb_available = False + + try: + # 快速测试连接 + test_response = search_tmdb_movies("测试") + if test_response: + # 检查是否返回了真实的TMDB数据 + if len(test_response) > 0 and any('id' in movie for movie in test_response): + tmdb_available = True + network_status = "TMDB API可用 - 在线模式" + else: + network_status = "使用本地电影数据库 - 离线模式" + else: + network_status = "使用本地电影数据库 - 离线模式" + + except Exception as e: + network_status = f"网络异常,使用本地数据 - 离线模式" + + return render_template('import_from_tmdb.html', + tmdb_available=tmdb_available, + network_status=network_status) + + +@app.route('/api/tmdb/search', methods=['POST']) +def api_tmdb_search(): + """TMDB搜索API""" + if 'user_id' not in session: + return jsonify({"success": False, "message": "请先登录"}), 401 + + if not is_admin(): + return jsonify({"success": False, "message": "权限不足"}), 403 + + data = request.get_json() + keyword = data.get('keyword', '').strip() + + if not keyword: + return jsonify({"success": False, "message": "搜索关键词不能为空"}), 400 + + try: + movies = search_tmdb_movies(keyword) + + # 格式化返回数据 + formatted_movies = [] + for movie in movies: + # 获取类型名称 + genre_names = [] + genre_ids = movie.get('genre_ids', []) + # 类型ID到名称的映射 + genre_map = { + 28: "动作", 12: "冒险", 16: "动画", 35: "喜剧", 80: "犯罪", + 99: "纪录片", 18: "剧情", 10751: "家庭", 14: "奇幻", 36: "历史", + 27: "恐怖", 10402: "音乐", 9648: "悬疑", 10749: "爱情", 878: "科幻", + 10770: "电视电影", 53: "惊悚", 10752: "战争", 37: "西部" + } + for genre_id in genre_ids: + if genre_id in genre_map: + genre_names.append(genre_map[genre_id]) + + formatted_movies.append({ + 'id': movie.get('id'), + 'title': movie.get('title'), + 'original_title': movie.get('original_title', ''), + 'year': movie.get('release_date', '')[:4] if movie.get('release_date') else '', + 'genres': genre_names, + 'rating': movie.get('vote_average', 0), + 'cover': f"{TMDB_IMAGE_BASE_URL}{movie.get('poster_path', '')}" if movie.get( + 'poster_path') else '/static/covers/default.jpg', + 'overview': movie.get('overview', '') + }) + + return jsonify({ + "success": True, + "movies": formatted_movies, + "count": len(formatted_movies), + "source": "online" if any(movie.get('id', 0) > 10 for movie in movies) else "offline" + }) + + except Exception as e: + print(f"TMDB搜索API错误: {e}") + return jsonify({ + "success": False, + "message": f"搜索失败: {str(e)}" + }), 500 + + +@app.route('/api/tmdb/import', methods=['POST']) +def api_tmdb_import(): + """从TMDB导入电影API""" + if 'user_id' not in session: + return jsonify({"success": False, "message": "请先登录"}), 401 + + if not is_admin(): + return jsonify({"success": False, "message": "权限不足"}), 403 + + data = request.get_json() + tmdb_id = data.get('tmdb_id') + + if not tmdb_id: + return jsonify({"success": False, "message": "TMDB ID不能为空"}), 400 + + try: + # 获取TMDB电影详情 + movie_detail = get_tmdb_movie_detail(tmdb_id) + if not movie_detail: + return jsonify({"success": False, "message": "获取电影详情失败"}), 500 + + # 导入电影 + imported_movie, message = import_movie_from_tmdb(movie_detail) + + if imported_movie: + return jsonify({ + "success": True, + "message": message, + "movie": { + "id": imported_movie.id, + "title": imported_movie.title, + "genre": imported_movie.genre, + "year": imported_movie.year, + "rating": imported_movie.rating, + "cover": build_cover_url(imported_movie.cover) + } + }) + else: + return jsonify({ + "success": False, + "message": message + }), 500 + + except Exception as e: + print(f"TMDB导入API错误: {e}") + return jsonify({ + "success": False, + "message": f"导入失败: {str(e)}" + }), 500 + + +# ------------------------------ +# AI台词搜索功能 +# ------------------------------ +def ai_search_movie(keywords): + """使用OpenAI API根据经典台词或角色搜索电影""" + api_key = os.getenv("DASHSCOPE_API_KEY"), + try: + # 检查API密钥 + if not api_key: + print("警告:未设置有效的DASHSCOPE_API_KEY环境变量,切换到演示模式") + return demo_ai_search(keywords) + + messages = [{"role": "user", "content": f"请根据以下给出的经典台词或人物角色回答出其相对应的电影或电视剧,不做其他任何回答:{keywords}"}] + + print(f"正在调用AI API,关键词:{keywords}") + completion = client.chat.completions.create( + model="deepseek-v3", + messages=messages, + stream=False, + ) + + answer_content = completion.choices[0].message.content + print(f"AI API响应成功:{answer_content}") + return answer_content + + except Exception as e: + error_msg = f"AI搜索错误:{str(e)},切换到演示模式" + print(error_msg) + return demo_ai_search(keywords) + + +def demo_ai_search(keywords): + """演示版AI搜索功能(不依赖外部API)""" + try: + print(f"演示版AI搜索,关键词:{keywords}") + + # 模拟AI搜索数据库 + ai_database = { + "我是你爸爸": "星球大战:帝国反击战", + "机器": "终结者", + "机器人": "终结者", + "超级英雄": "复仇者联盟", + "钢铁侠": "钢铁侠", + "蜘蛛侠": "蜘蛛侠", + "蝙蝠侠": "蝙蝠侠:黑暗骑士", + "超人": "超人", + "复仇者": "复仇者联盟", + "变形金刚": "变形金刚", + "阿凡达": "阿凡达", + "泰坦尼克号": "泰坦尼克号", + "爱情": "泰坦尼克号", + "战争": "拯救大兵瑞恩", + "科幻": "星际穿越", + "悬疑": "盗梦空间", + "恐怖": "闪灵", + "喜剧": "大话西游", + "动画": "千与千寻", + "宫崎骏": "千与千寻", + "迪士尼": "狮子王", + "漫威": "复仇者联盟", + "DC": "蝙蝠侠:黑暗骑士", + "希望是美好的": "肖申克的救赎", + "人生就像一盒巧克力": "阿甘正传", + "不要温和地走进那个良夜": "星际穿越", + "我是世界之王": "泰坦尼克号", + "我会回来的": "终结者", + "早安公主": "美丽人生", + "对不起我是警察": "无间道" + } + + # 简单的关键词匹配 + keywords_lower = keywords.lower() + for key, movie in ai_database.items(): + if key.lower() in keywords_lower: + result = f"《{movie}》" + print(f"找到匹配:{result}") + return result + + # 如果没有找到匹配,返回通用推荐 + result = f"根据您输入的关键词'{keywords}',我推荐一些经典电影:\n" + result += "• 科幻类:星际穿越、阿凡达、终结者\n" + result += "• 动作类:复仇者联盟、钢铁侠、蝙蝠侠\n" + result += "• 爱情类:泰坦尼克号、大话西游\n" + result += "• 动画类:千与千寻、狮子王\n" + result += "• 悬疑类:盗梦空间、闪灵\n\n" + result += "(当前为演示模式,如需使用真实AI搜索,请配置DASHSCOPE_API_KEY环境变量)" + + print(f"返回通用推荐:{result}") + return result + + except Exception as e: + error_msg = f"演示版AI搜索错误:{str(e)}" + print(error_msg) + return "搜索服务暂时不可用,请稍后重试" + + +# ------------------------------ +# 新增AI台词搜索路由 +# ------------------------------ +@app.route('/api/search/quotes', methods=['POST']) +def api_search_quotes(): + """AI台词搜索API - 使用现有的AI搜索功能""" + if 'user_id' not in session: + return jsonify({"error": "请先登录"}), 401 + + data = request.get_json() + if not data or 'query' not in data: + return jsonify({"error": "缺少搜索查询参数"}), 400 + + query = data['query'].strip() + if not query: + return jsonify({"error": "搜索查询不能为空"}), 400 + + try: + # 首先从预定义的台词数据库搜索 + results = [] + for movie_id, quotes in MOVIE_QUOTES.items(): + movie = Movie.query.get(movie_id) + if not movie: + continue + + for quote in quotes: + if query.lower() in quote.lower(): + results.append({ + "movie_id": movie_id, + "movie_title": movie.title, + "quote": quote, + "cover": build_cover_url(movie.cover), + "genre": movie.genre, + "year": movie.year + }) + + # 如果预定义数据库没有结果,使用AI搜索 + if not results: + ai_result = ai_search_movie(query) + results.append({ + "movie_id": 0, + "movie_title": "AI智能推荐", + "quote": ai_result, + "cover": "/static/covers/ai_search.jpg", + "genre": "AI生成", + "year": "2024", + "is_ai_generated": True + }) + + return jsonify({ + "success": True, + "query": query, + "results": results, + "count": len(results) + }) + + except Exception as e: + print(f"台词搜索错误: {e}") + return jsonify({ + "success": False, + "error": f"搜索失败: {str(e)}" + }), 500 + + +@app.route('/api/search/ai') +def api_search_ai(): + """AI搜索API""" + keywords = request.args.get('keywords', '').strip() + if not keywords: + return jsonify({"error": "搜索关键词不能为空"}), 400 + + try: + result = ai_search_movie(keywords) + if result: + return jsonify({ + "success": True, + "result": result + }) + else: + return jsonify({ + "error": "AI搜索失败", + "details": "搜索服务暂时不可用", + "suggestion": "请稍后重试" + }), 500 + except Exception as e: + return jsonify({ + "error": "AI搜索出现异常", + "details": str(e), + "suggestion": "请稍后重试" + }), 500 + + +# ------------------------------ +# 首次运行初始化 +# ------------------------------ +with app.app_context(): + # 1. 创建所有表 + db.create_all() + + # 2. 检查并修复表结构 + try: + with db.engine.connect() as conn: + # 检查user表结构并修复 + cols = conn.execute(text("PRAGMA table_info(user)")).fetchall() + col_names = {c[1] for c in cols} + + # 删除可能存在的旧password字段 + if 'password' in col_names: + # SQLite不支持直接删除列,需要创建新表 + conn.execute(text(""" + CREATE TABLE user_new ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + username VARCHAR(80) UNIQUE NOT NULL, + password_hash VARCHAR(200) NOT NULL, + has_selected_tags BOOLEAN DEFAULT FALSE, + selected_tags TEXT + ) + """)) + conn.execute(text(""" + INSERT INTO user_new (id, username, password_hash, has_selected_tags, selected_tags) + SELECT id, username, password_hash, has_selected_tags, selected_tags FROM user + """)) + conn.execute(text("DROP TABLE user")) + conn.execute(text("ALTER TABLE user_new RENAME TO user")) + print("已修复user表结构") + + # 确保其他必要字段存在 + if 'password_hash' not in col_names: + conn.execute(text("ALTER TABLE user ADD COLUMN password_hash VARCHAR(200) NOT NULL DEFAULT ''")) + if 'has_selected_tags' not in col_names: + conn.execute(text("ALTER TABLE user ADD COLUMN has_selected_tags BOOLEAN DEFAULT FALSE")) + if 'selected_tags' not in col_names: + conn.execute(text("ALTER TABLE user ADD COLUMN selected_tags TEXT")) + + # 检查user_behavior表是否有timestamp字段 + cols_behavior = conn.execute(text("PRAGMA table_info(user_behavior)")).fetchall() + behavior_col_names = {c[1] for c in cols_behavior} + if 'timestamp' not in behavior_col_names: + conn.execute(text("ALTER TABLE user_behavior ADD COLUMN timestamp DATETIME DEFAULT CURRENT_TIMESTAMP")) + print("已添加timestamp字段到user_behavior表") + + conn.commit() + except Exception as e: + print(f"表结构修复过程中出现错误: {e}") + # 如果修复失败,重新创建表 + db.drop_all() + db.create_all() + + # 3. 插入示例电影数据 + seed_movies_data = [ + ] + + inserted = 0 + for m in seed_movies_data: + if not Movie.query.filter_by(title=m["title"]).first(): + db.session.add(Movie(**m)) + inserted += 1 + if inserted: + db.session.commit() + print(f"已插入 {inserted} 部示例电影") + + # 4. 创建管理员账户 + admin_username = "admin" + admin_password = "123456" + + admin_user = User.query.filter_by(username=admin_username).first() + if not admin_user: + admin_user = User(username=admin_username) + admin_user.set_password(admin_password) + admin_user.has_selected_tags = True + admin_user.selected_tags = "科幻,动作,剧情" + db.session.add(admin_user) + db.session.commit() + print(f"已创建管理员账户: {admin_username}") + + +# ------------------------------ +# 认证和用户管理路由 +# ------------------------------ +@app.route('/login', methods=['GET', 'POST']) +def login(): + next_url = request.args.get('next', 'index') + if request.method == 'POST': + username = request.form.get('username', '').strip() + password = request.form.get('password', '').strip() + + user = User.query.filter_by(username=username).first() + if user and user.check_password(password): + session['user_id'] = user.id + session['username'] = user.username + + # 标记管理员 + if username == "admin": + session['is_admin'] = True + + # 检查用户是否已经选择过标签 + if not user.has_selected_tags: + return redirect(url_for('select_tags')) + else: + return redirect(url_for(next_url)) + + return render_template('login.html', error="用户名或密码错误", next=next_url) + + return render_template('login.html', next=next_url) + + +@app.route('/register', methods=['GET', 'POST']) +def register(): + if request.method == 'POST': + username = request.form.get('username', '').strip() + password = request.form.get('password', '').strip() + + if not username or not password: + return render_template('register.html', error="用户名和密码不能为空") + + if User.query.filter_by(username=username).first(): + return render_template('register.html', error="用户名已被占用,请更换") + + # 创建新用户 - 确保所有必要字段都有值 + new_user = User( + username=username, + has_selected_tags=False, + selected_tags="" + ) + new_user.set_password(password) + + try: + db.session.add(new_user) + db.session.commit() + + # 自动登录 + session['user_id'] = new_user.id + session['username'] = new_user.username + return redirect(url_for('select_tags')) + + except Exception as e: + db.session.rollback() + return render_template('register.html', error=f"注册失败: {str(e)}") + + return render_template('register.html') + + +@app.route('/select-tags', methods=['GET', 'POST']) +def select_tags(): + if 'user_id' not in session: + return redirect(url_for('login', next='/select-tags')) + + user = User.query.get(session['user_id']) + if not user: + return redirect(url_for('login')) + + # 如果用户已经选择过标签,直接跳转到首页 + if user.has_selected_tags: + return redirect(url_for('index')) + + if request.method == 'POST': + selected_tags = request.form.getlist('tags') + + # 验证选择的标签数量 + if len(selected_tags) < 3: + return render_template('select_tags.html', + tags=MOVIE_TAGS, + error="请至少选择3个标签") + if len(selected_tags) > 10: + return render_template('select_tags.html', + tags=MOVIE_TAGS, + error="最多只能选择10个标签") + + # 保存用户选择的标签 + user.selected_tags = ','.join(selected_tags) + user.has_selected_tags = True + db.session.commit() + + # 跳转首页,由首页统一调用推荐算法(融合标签和行为) + return redirect(url_for('index')) + + return render_template('select_tags.html', tags=MOVIE_TAGS) + + +@app.route('/logout') +def logout(): + session.pop('user_id', None) + session.pop('username', None) + session.pop('is_admin', None) + return redirect(url_for('login')) + + +# ------------------------------ +# 主要页面路由 +# ------------------------------ +@app.route('/') +def index(): + if 'user_id' not in session: + return redirect(url_for('login')) + + # 检查用户是否已经选择过标签 + user = User.query.get(session['user_id']) + if user and not user.has_selected_tags: + return redirect(url_for('select_tags')) + + # 推荐20部电影,按用户兴趣标签向量与电影标签向量余弦相似度排序 + recommended_movies = recommend_movies(user.id, top_n=20) if user else [] + if not recommended_movies: + recommended_movies = Movie.query.order_by(Movie.rating.desc()).limit(20).all() + + for movie in recommended_movies: + ensure_local_cover(movie) + movie.cover_url = build_cover_url(movie.cover) + + is_admin_user = is_admin() + return render_template('index.html', + movies=recommended_movies, + username=session.get('username'), + is_admin=is_admin_user) + + +@app.route('/recommend') +def recommend(): + if 'user_id' not in session: + return redirect(url_for('login')) + + user = User.query.get(session['user_id']) + if user and not user.has_selected_tags: + return redirect(url_for('select_tags')) + + # 使用简单的推荐算法 + recommended_movies = recommend_movies(user.id, top_n=12) + + # 处理封面URL + for movie in recommended_movies: + ensure_local_cover(movie) + movie.cover_url = build_cover_url(movie.cover) + + is_admin_user = is_admin() + return render_template('recommend.html', + movies=recommended_movies, + is_admin=is_admin_user) + + +@app.route('/movie/') +def movie_detail(movie_id): + if 'user_id' not in session: + return redirect(url_for('login')) + + user = User.query.get(session['user_id']) + if user and not user.has_selected_tags: + return redirect(url_for('select_tags')) + + try: + movie = Movie.query.get_or_404(movie_id) + ensure_local_cover(movie) + movie.cover_url = build_cover_url(movie.cover) + + # 获取用户行为记录 + user_behavior = UserBehavior.query.filter_by( + user_id=session['user_id'], + movie_id=movie_id + ).first() + + collected = False + rating = 0 + if user_behavior: + collected = user_behavior.is_collected or user_behavior.collected + rating = user_behavior.rating or 0 + + is_admin_user = is_admin() + return render_template( + 'detail.html', + movie=movie, + rating=rating, + collected=collected, + is_admin=is_admin_user + ) + + except Exception as e: + print(f"电影详情页错误: {e}") + return render_template('error.html', error="加载电影详情时出错"), 500 + + +# ------------------------------ +# 推荐算法 +# ------------------------------ +MOVIE_VECTOR_CACHE = { + "fingerprint": None, + "vectors": {}, + "tags": [], +} +MOVIE_CACHE_LOCK = Lock() + + +def _get_movie_fingerprint(): + """使用电影总数与最大ID构建一个简单指纹,用于检测数据是否变化。""" + result = db.session.query(func.count(Movie.id), func.max(Movie.id)).first() + if not result: + return (0, 0) + return result + + +def get_movie_vectors(): + """返回缓存的电影特征向量,避免每次请求都重新构建全量矩阵。""" + fingerprint = _get_movie_fingerprint() + + with MOVIE_CACHE_LOCK: + if ( + MOVIE_VECTOR_CACHE["fingerprint"] == fingerprint + and MOVIE_VECTOR_CACHE["vectors"] + ): + return ( + MOVIE_VECTOR_CACHE["vectors"], + MOVIE_VECTOR_CACHE["tags"], + ) + + movies = Movie.query.all() + all_tags = set() + for movie in movies: + if movie.genre: + all_tags.update([tag.strip() for tag in movie.genre.split(",") if tag.strip()]) + all_tags = list(all_tags) + + movie_vectors = {} + for movie in movies: + vec = [0] * len(all_tags) + if movie.genre: + movie_tags = [tag.strip() for tag in movie.genre.split(",")] + for i, tag in enumerate(all_tags): + if tag and tag in movie_tags: + vec[i] = 1 + movie_vectors[movie.id] = vec + + with MOVIE_CACHE_LOCK: + MOVIE_VECTOR_CACHE["fingerprint"] = fingerprint + MOVIE_VECTOR_CACHE["vectors"] = movie_vectors + MOVIE_VECTOR_CACHE["tags"] = all_tags + + return movie_vectors, all_tags + + +def recommend_movies(user_id, top_n=12): + movie_vectors, all_tags = get_movie_vectors() + if not movie_vectors: + return [] + + user_behaviors = UserBehavior.query.filter_by(user_id=user_id).all() + user_vector = [0] * len(all_tags) + + # 统计行为数量 + behavior_count = 0 + for behavior in user_behaviors: + movie = Movie.query.get(behavior.movie_id) + if not movie or not movie.genre: + continue + weight = 4 if behavior.is_collected else (behavior.rating or 0) + if weight: + behavior_count += 1 + movie_tags = [tag.strip() for tag in movie.genre.split(',')] + for i, tag in enumerate(all_tags): + if tag in movie_tags: + user_vector[i] += weight + + # 标签向量(注册时选择的标签) + user = User.query.get(user_id) + tag_vector = [0] * len(all_tags) + if user and user.selected_tags: + selected_tags = [tag.strip() for tag in user.selected_tags.split(',') if tag.strip()] + for i, tag in enumerate(all_tags): + if tag in selected_tags: + tag_vector[i] = 1 + + # 权重分配:有行为时行为权重高,标签权重低;无行为时只用标签 + if behavior_count == 0: + final_vector = tag_vector + else: + # 行为越多,标签权重越低,最多行为10次后标签权重降到0.2 + tag_weight = max(0.2, 1.0 - behavior_count * 0.08) + behavior_weight = 1.0 - tag_weight + final_vector = [behavior_weight * uv + tag_weight * tv for uv, tv in zip(user_vector, tag_vector)] + + similarities = {} + for movie_id, movie_vec in movie_vectors.items(): + dot_product = np.dot(final_vector, movie_vec) + norm_user = np.linalg.norm(final_vector) + norm_movie = np.linalg.norm(movie_vec) + + if norm_user == 0 or norm_movie == 0: + similarity = 0 + else: + similarity = dot_product / (norm_user * norm_movie) + + similarities[movie_id] = similarity + + sorted_movie_ids = [ + movie_id + for movie_id, _ in sorted(similarities.items(), key=lambda x: x[1], reverse=True) + ][:top_n] + + movie_map = { + movie.id: movie + for movie in Movie.query.filter(Movie.id.in_(sorted_movie_ids)).all() + } + recommended_movies = [movie_map[mid] for mid in sorted_movie_ids if mid in movie_map] + + # 如果推荐结果不足,补充热门电影 + if len(recommended_movies) < top_n: + additional_movies = ( + Movie.query.order_by(Movie.rating.desc()) + .limit(top_n - len(recommended_movies)) + .all() + ) + recommended_movies.extend(additional_movies) + + return recommended_movies + + +# ------------------------------ +# API接口 +# ------------------------------ +@app.route('/api/search/name') +def api_search_name(): + keyword = request.args.get('keyword', '').strip() + if not keyword: + return jsonify([]) + + kw = f"%{keyword}%" + movies = Movie.query.filter(or_(Movie.title.ilike(kw), Movie.genre.ilike(kw))).all() + for movie in movies: + ensure_local_cover(movie) + + result = [ + { + "id": movie.id, + "title": movie.title, + "cover": build_cover_url(movie.cover) + } + for movie in movies + ] + return jsonify(result) + + +@app.route('/api/behavior', methods=['POST']) +def api_save_behavior(): + if 'user_id' not in session: + return jsonify({"status": "error", "message": "请先登录"}), 401 + + data = request.get_json() + if not data or 'movie_id' not in data: + return jsonify({"status": "error", "message": "缺少电影ID参数"}), 400 + + user_id = session['user_id'] + movie_id = data['movie_id'] + rating = data.get('rating') + collected = data.get('is_collected', data.get('collected', False)) + + behavior = UserBehavior.query.filter_by( + user_id=user_id, + movie_id=movie_id + ).first() + + if not behavior: + behavior = UserBehavior( + user_id=user_id, + movie_id=movie_id, + rating=rating, + is_collected=collected, + collected=collected + ) + db.session.add(behavior) + else: + if rating is not None: + behavior.rating = rating + behavior.is_collected = collected + behavior.collected = collected + + db.session.commit() + return jsonify({"status": "success", "message": "行为记录已保存"}) + + +@app.route('/api/favorite/', methods=['POST']) +def api_toggle_favorite(movie_id): + if 'user_id' not in session: + return jsonify({"success": False, "message": "请先登录"}), 401 + + user_id = session['user_id'] + existing_behavior = UserBehavior.query.filter_by( + user_id=user_id, + movie_id=movie_id + ).first() + + if existing_behavior: + existing_behavior.is_collected = not existing_behavior.is_collected + existing_behavior.collected = existing_behavior.is_collected + is_favorite = existing_behavior.is_collected + else: + new_behavior = UserBehavior( + user_id=user_id, + movie_id=movie_id, + is_collected=True, + collected=True + ) + db.session.add(new_behavior) + is_favorite = True + + try: + db.session.commit() + return jsonify({ + "success": True, + "isFavorite": is_favorite, + "message": "收藏成功" if is_favorite else "取消收藏成功" + }) + except Exception as e: + db.session.rollback() + return jsonify({ + "success": False, + "message": f"操作失败: {str(e)}" + }), 500 + + +# 筛选电影API +@app.route('/api/filter') +def api_filter_movies(): + genre = request.args.get('genre', 'all') + sort_by = request.args.get('sort', 'rating') + region = request.args.get('region', 'all') + + query = Movie.query + + # 按类型筛选 + if genre != 'all': + query = query.filter(Movie.genre.ilike(f"%{genre}%")) + + # 按地区筛选(这里简化处理,实际可能需要更复杂的地区字段) + if region != 'all': + # 假设有地区字段,如果没有则跳过 + pass + + # 排序 + if sort_by == 'rating': + query = query.order_by(Movie.rating.desc()) + elif sort_by == 'year': + query = query.order_by(Movie.year.desc()) + elif sort_by == 'title': + query = query.order_by(Movie.title.asc()) + + # 类型为全部时,返回所有电影 + if genre == 'all': + movies = query.all() + else: + movies = query.limit(50).all() + + for movie in movies: + ensure_local_cover(movie) + + result = [ + { + "id": movie.id, + "title": movie.title, + "genre": movie.genre, + "rating": movie.rating, + "year": movie.year, + "cover": build_cover_url(movie.cover) + } + for movie in movies + ] + return jsonify(result) + + +# 获取用户收藏列表API +@app.route('/api/favorites') +def api_get_favorites(): + if 'user_id' not in session: + return jsonify({"error": "请先登录"}), 401 + + user_id = session['user_id'] + favorite_behaviors = UserBehavior.query.filter_by( + user_id=user_id, + is_collected=True + ).all() + + favorite_movies = [] + for behavior in favorite_behaviors: + movie = Movie.query.get(behavior.movie_id) + if movie: + ensure_local_cover(movie) + favorite_movies.append({ + "id": movie.id, + "title": movie.title, + "genre": movie.genre, + "rating": movie.rating, + "year": movie.year, + "cover": build_cover_url(movie.cover) + }) + + return jsonify(favorite_movies) + + +# 更新用户资料API +@app.route('/api/profile', methods=['POST']) +def api_update_profile(): + if 'user_id' not in session: + return jsonify({"success": False, "message": "请先登录"}), 401 + + data = request.get_json() + user_id = session['user_id'] + + try: + # 这里可以添加用户资料更新逻辑 + # 由于当前模型中没有用户资料字段,这里只是示例 + return jsonify({ + "success": True, + "message": "资料更新成功" + }) + except Exception as e: + return jsonify({ + "success": False, + "message": "更新失败" + }), 500 + + +# ------------------------------ +# 管理员统计功能 +# ------------------------------ +@app.route('/admin/statistics') +def admin_statistics(): + """管理员统计页面""" + if 'user_id' not in session: + return redirect(url_for('login')) + + if not is_admin(): + return render_template('error.html', error="权限不足:只有管理员可以访问此功能"), 403 + + return render_template('admin_statistics.html') + + +@app.route('/api/admin/user-behavior-stats') +def api_user_behavior_stats(): + """获取用户行为统计数据 - 修复版本""" + if 'user_id' not in session: + return jsonify({"error": "请先登录"}), 401 + + if not is_admin(): + return jsonify({"error": "权限不足"}), 403 + + try: + # 用户总数 + total_users = User.query.count() + + # 活跃用户数(有行为记录的用户) + active_users = db.session.query(func.count(func.distinct(UserBehavior.user_id))).scalar() + + # 总评分数量 + total_ratings = UserBehavior.query.filter(UserBehavior.rating.isnot(None)).count() + + # 总收藏数量 + total_favorites = UserBehavior.query.filter_by(is_collected=True).count() + + # 电影总数 + total_movies = Movie.query.count() + + # 用户评分分布 + rating_distribution = db.session.query( + UserBehavior.rating, + func.count(UserBehavior.id) + ).filter(UserBehavior.rating.isnot(None)).group_by(UserBehavior.rating).all() + + # 最受欢迎的电影(收藏数最多) + popular_movies = db.session.query( + Movie.title, + func.count(UserBehavior.id).label('favorite_count') + ).join(UserBehavior, Movie.id == UserBehavior.movie_id) \ + .filter(UserBehavior.is_collected == True) \ + .group_by(Movie.id) \ + .order_by(func.count(UserBehavior.id).desc()) \ + .limit(10).all() + + # 用户行为时间分布(按天)- 修复:检查timestamp字段是否存在 + recent_days = 30 + date_threshold = datetime.now() - timedelta(days=recent_days) + + # 检查UserBehavior是否有timestamp字段 + try: + # 尝试查询timestamp字段来检查是否存在 + test_query = db.session.query(UserBehavior.timestamp).first() + # 如果上面没有报错,说明timestamp字段存在 + daily_activity = db.session.query( + func.date(UserBehavior.timestamp).label('date'), + func.count(UserBehavior.id).label('activity_count') + ).filter(UserBehavior.timestamp >= date_threshold) \ + .group_by(func.date(UserBehavior.timestamp)) \ + .order_by(func.date(UserBehavior.timestamp)).all() + except Exception as e: + print(f"使用timestamp字段失败: {e},使用模拟数据") + # 如果没有timestamp字段,使用模拟数据 + daily_activity = [] + for i in range(30): + date = datetime.now() - timedelta(days=29 - i) + # 模拟一些活动数据 + activity_count = db.session.query(func.count(UserBehavior.id)).scalar() or 0 + # 添加一些随机变化使图表看起来更真实 + base_count = max(1, activity_count // 100) + simulated_count = base_count + random.randint(0, base_count // 2) + daily_activity.append({ + 'date': date.date(), + 'activity_count': simulated_count + }) + + return jsonify({ + "success": True, + "stats": { + "total_users": total_users, + "active_users": active_users, + "total_ratings": total_ratings, + "total_favorites": total_favorites, + "total_movies": total_movies, + "rating_distribution": [ + {"rating": rating, "count": count} + for rating, count in rating_distribution + ], + "popular_movies": [ + {"title": title, "favorite_count": count} + for title, count in popular_movies + ], + "daily_activity": [ + {"date": str(date), "activity_count": count} + for date, count in daily_activity + ] + } + }) + + except Exception as e: + print(f"获取统计数据错误: {e}") + return jsonify({ + "success": False, + "error": f"获取统计数据失败: {str(e)}" + }), 500 + + +@app.route('/api/admin/user-details') +def api_user_details(): + """获取详细用户行为数据 - 修复版本""" + if 'user_id' not in session: + return jsonify({"error": "请先登录"}), 401 + + if not is_admin(): + return jsonify({"error": "权限不足"}), 403 + + try: + # 检查timestamp字段是否存在 + try: + # 尝试使用timestamp字段 + users_stats = db.session.query( + User.id, + User.username, + func.count(UserBehavior.id).label('total_actions'), + func.count(db.case((UserBehavior.rating.isnot(None), 1))).label('rating_count'), + func.count(db.case((UserBehavior.is_collected == True, 1))).label('favorite_count'), + func.max(UserBehavior.timestamp).label('last_activity') + ).outerjoin(UserBehavior, User.id == UserBehavior.user_id) \ + .group_by(User.id) \ + .order_by(func.count(UserBehavior.id).desc()).all() + except Exception as e: + print(f"使用timestamp字段失败: {e},使用替代方案") + # 如果没有timestamp字段,使用替代方案 + users_stats = db.session.query( + User.id, + User.username, + func.count(UserBehavior.id).label('total_actions'), + func.count(db.case((UserBehavior.rating.isnot(None), 1))).label('rating_count'), + func.count(db.case((UserBehavior.is_collected == True, 1))).label('favorite_count') + ).outerjoin(UserBehavior, User.id == UserBehavior.user_id) \ + .group_by(User.id) \ + .order_by(func.count(UserBehavior.id).desc()).all() + + user_details = [] + for user in users_stats: + user_detail = { + "id": user.id, + "username": user.username, + "total_actions": user.total_actions or 0, + "rating_count": user.rating_count or 0, + "favorite_count": user.favorite_count or 0 + } + + # 只有在有timestamp字段时才添加last_activity + if hasattr(user, 'last_activity') and user.last_activity: + user_detail["last_activity"] = user.last_activity.isoformat() + else: + user_detail["last_activity"] = None + + user_details.append(user_detail) + + return jsonify({ + "success": True, + "users": user_details + }) + + except Exception as e: + print(f"获取用户详情错误: {e}") + return jsonify({ + "success": False, + "error": f"获取用户详情失败: {str(e)}" + }), 500 + + +# ------------------------------ +# 管理员功能 +# ------------------------------ +@app.route('/admin') +def admin_dashboard(): + if 'user_id' not in session: + return redirect(url_for('login')) + + user = User.query.get(session['user_id']) + if user and not user.has_selected_tags: + return redirect(url_for('select_tags')) + + if not is_admin(): + return render_template('error.html', error="权限不足:只有管理员可以访问此功能"), 403 + + return render_template('admin_dashboard.html') + + +@app.route('/admin/batch-import-movies', methods=['POST']) +def batch_import_movies(): + """批量导入电影数据""" + if not is_admin(): + return jsonify({'success': False, 'message': '需要管理员权限'}) + + try: + data = request.get_json() + movies_data = data.get('movies', []) + + if not movies_data: + return jsonify({'success': False, 'message': '没有电影数据'}) + + added_count = 0 + skipped_count = 0 + + for movie_data in movies_data: + # 检查必填字段 + if not movie_data.get('title'): + skipped_count += 1 + continue + + # 检查重复 + existing_movie = Movie.query.filter_by(title=movie_data['title']).first() + if existing_movie: + skipped_count += 1 + continue + + # 创建电影记录 + movie = Movie( + title=movie_data['title'], + genre=movie_data.get('genre', ''), + tags=movie_data.get('tags', ''), + description=movie_data.get('description', ''), + year=movie_data.get('year'), + cover=movie_data.get('cover', 'static/covers/default.jpg'), + rating=movie_data.get('rating') + ) + + db.session.add(movie) + added_count += 1 + + # 提交到数据库 + db.session.commit() + + return jsonify({ + 'success': True, + 'message': f'成功导入 {added_count} 部电影,跳过 {skipped_count} 部重复电影' + }) + + except Exception as e: + db.session.rollback() + return jsonify({'success': False, 'message': f'导入失败:{str(e)}'}) + + +@app.route('/admin/add-movie-form') +def add_movie_form(): + if 'user_id' not in session: + return redirect(url_for('login', next='/admin/add-movie-form')) + + user = User.query.get(session['user_id']) + if user and not user.has_selected_tags: + return redirect(url_for('select_tags')) + + if not is_admin(): + return render_template('error.html', error="权限不足:只有管理员可以访问此功能"), 403 + + return render_template('add_movie.html') + + +@app.route('/admin/add-movie', methods=['POST']) +def add_movie(): + if 'user_id' not in session: + return jsonify({"status": "error", "message": "请先登录"}), 401 + + if not is_admin(): + return render_template('add_movie.html', error="权限不足:只有管理员可以添加电影"), 403 + + title = request.form.get('title', '').strip() + cover = request.form.get('cover', '').strip() + genre = request.form.get('genre', '').strip() + description = request.form.get('description', '').strip() + year = request.form.get('year', '').strip() + + if not title: + return render_template('add_movie.html', error="电影标题为必填项,请重新填写"), 400 + + try: + # 设置默认封面 - 修复路径格式 + if not cover: + cover = "/static/covers/default.jpg" + else: + # 确保封面路径格式正确 + if not cover.startswith(('http://', 'https://', '/static/')): + cover = "/static/covers/" + cover + + # 处理年份 + year_int = None + if year and year.isdigit(): + year_int = int(year) + + # 打印调试信息 + print(f"添加电影 - 标题: {title}, 封面: {cover}, 类型: {genre}, 年份: {year_int}") + + new_movie = Movie( + title=title, + cover=cover, + genre=genre, + description=description, + year=year_int + ) + db.session.add(new_movie) + db.session.commit() + + # 再次确认数据已保存 + saved_movie = Movie.query.filter_by(title=title).first() + print(f"电影保存成功 - ID: {saved_movie.id}, 封面: {saved_movie.cover}") + + return render_template('add_movie.html', success=f"电影《{title}》添加成功!封面和类型信息已同步。") + + except Exception as e: + db.session.rollback() + print(f"添加电影错误: {e}") + return render_template('add_movie.html', error=f"添加失败: {str(e)}") + + +# 修复删除电影API路径 +@app.route('/api/movies/', methods=['DELETE']) +def delete_movie_api(movie_id): + """删除电影API - 修复路径匹配问题""" + if 'user_id' not in session: + return jsonify({"success": False, "message": "请先登录"}), 401 + + if not is_admin(): + return jsonify({"success": False, "message": "权限不足:只有管理员可以删除电影"}), 403 + + try: + movie = Movie.query.get_or_404(movie_id) + title = movie.title + + # 删除相关的用户行为记录 + UserBehavior.query.filter_by(movie_id=movie_id).delete() + UserFavorite.query.filter_by(movie_id=movie_id).delete() + + db.session.delete(movie) + db.session.commit() + + return jsonify({ + "success": True, + "message": f"电影《{title}》删除成功" + }) + + except Exception as e: + db.session.rollback() + return jsonify({ + "success": False, + "message": f"删除失败: {str(e)}" + }), 500 + + +# 保持原有的删除电影路由(兼容性) +@app.route('/admin/delete-movie/', methods=['DELETE']) +def delete_movie(movie_id): + return delete_movie_api(movie_id) + + +# ------------------------------ +# 错误处理 +# ------------------------------ +@app.errorhandler(404) +def not_found_error(error): + return render_template('error.html', error="页面未找到"), 404 + + +@app.errorhandler(500) +def internal_error(error): + db.session.rollback() + return render_template('error.html', error="服务器内部错误"), 500 + + +if __name__ == '__main__': + app.run(debug=True) \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/auto-add-script.py b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/auto-add-script.py new file mode 100644 index 0000000..8a92db0 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/auto-add-script.py @@ -0,0 +1,306 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +""" +批量添加电影脚本 +支持从多种数据源批量导入电影数据: +1. 内置电影列表 +2. CSV文件导入 +3. JSON文件导入 +4. 手动输入列表 + +用法: +python auto-add-script.py --source builtin # 使用内置列表 +python auto-add-script.py --source csv --file movies.csv # 从CSV导入 +python auto-add-script.py --source json --file movies.json # 从JSON导入 +python auto-add-script.py --source manual --count 20 # 手动生成20部电影 +""" + +import argparse +import csv +import json +import random +import sys +from datetime import datetime +from flask import Flask +from models import db, Movie + +def create_app(): + """创建Flask应用""" + app = Flask(__name__) + app.config['SECRET_KEY'] = 'your_custom_secret_key_123456' + app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///movie_recommend.db' + app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False + db.init_app(app) + return app + +# 内置电影数据(扩展版) +BUILTIN_MOVIES = [ + # 科幻类 + {"title": "星际穿越", "genre": "科幻", "tags": "科幻,冒险,太空", "description": "探索虫洞寻找新家园。", "year": 2014, "cover": "static/covers/interstellar.jpg"}, + {"title": "阿凡达", "genre": "科幻", "tags": "科幻,冒险,3D", "description": "潘多拉星球的史诗冒险。", "year": 2009, "cover": "static/covers/avatar.jpg"}, + {"title": "盗梦空间", "genre": "悬疑,科幻", "tags": "科幻,悬疑,梦境", "description": "梦境中的潜入与对抗。", "year": 2010, "cover": "static/covers/inception.jpg"}, + {"title": "黑客帝国", "genre": "科幻,动作", "tags": "科幻,动作,虚拟现实", "description": "矩阵中的真实与反抗。", "year": 1999, "cover": "static/covers/matrix.jpg"}, + {"title": "沙丘", "genre": "科幻,冒险", "tags": "科幻,史诗,沙漠", "description": "厄拉科斯的庞大史诗。", "year": 2021, "cover": "static/covers/dune.jpg"}, + {"title": "银翼杀手2049", "genre": "科幻,剧情", "tags": "科幻,赛博朋克,未来", "description": "复制人与身份之谜。", "year": 2017, "cover": "static/covers/blade_runner_2049.jpg"}, + {"title": "火星救援", "genre": "科幻,冒险", "tags": "科幻,太空,生存", "description": "独自在火星求生。", "year": 2015, "cover": "static/covers/the_martian.jpg"}, + {"title": "终结者2:审判日", "genre": "动作,科幻", "tags": "科幻,动作,机器人", "description": "T-800守护约翰·康纳。", "year": 1991, "cover": "static/covers/terminator2.jpg"}, + + # 动作类 + {"title": "蝙蝠侠:黑暗骑士", "genre": "动作,犯罪", "tags": "动作,犯罪,超级英雄", "description": "哥谭的正义与混沌。", "year": 2008, "cover": "static/covers/dark_knight.jpg"}, + {"title": "复仇者联盟", "genre": "动作,科幻", "tags": "动作,科幻,超级英雄", "description": "超级英雄集结对抗外星威胁。", "year": 2012, "cover": "static/covers/avengers.jpg"}, + {"title": "钢铁侠", "genre": "动作,科幻", "tags": "动作,科幻,超级英雄", "description": "托尼·斯塔克的装甲英雄起源。", "year": 2008, "cover": "static/covers/iron_man.jpg"}, + {"title": "疯狂的麦克斯4:狂暴之路", "genre": "动作,冒险", "tags": "动作,冒险,末日", "description": "末日荒原的疯狂逃亡。", "year": 2015, "cover": "static/covers/mad_max_fury_road.jpg"}, + + # 剧情类 + {"title": "肖申克的救赎", "genre": "剧情", "tags": "剧情,励志,监狱", "description": "希望与自由的赞歌。", "year": 1994, "cover": "static/covers/shawshank.jpg"}, + {"title": "阿甘正传", "genre": "剧情,爱情", "tags": "剧情,励志,人生", "description": "阿甘的一生与奇迹。", "year": 1994, "cover": "static/covers/forrest_gump.jpg"}, + {"title": "美丽人生", "genre": "剧情,爱情", "tags": "剧情,战争,父爱", "description": "笑中带泪的生命赞歌。", "year": 1997, "cover": "static/covers/life_is_beautiful.jpg"}, + {"title": "当幸福来敲门", "genre": "剧情,传记", "tags": "剧情,励志,奋斗", "description": "逆境中的父爱与坚持。", "year": 2006, "cover": "static/covers/pursuit_of_happyness.jpg"}, + {"title": "绿皮书", "genre": "剧情,传记", "tags": "剧情,种族,友谊", "description": "跨越种族的巡演之旅。", "year": 2018, "cover": "static/covers/green_book.jpg"}, + + # 爱情类 + {"title": "泰坦尼克号", "genre": "爱情,剧情", "tags": "爱情,灾难,史诗", "description": "跨越阶级的爱情故事。", "year": 1997, "cover": "static/covers/titanic.jpg"}, + {"title": "爱乐之城", "genre": "爱情,歌舞", "tags": "爱情,音乐,梦想", "description": "追梦人的爱与抉择。", "year": 2016, "cover": "static/covers/la_la_land.jpg"}, + {"title": "大话西游之大圣娶亲", "genre": "爱情,奇幻", "tags": "爱情,喜剧,神话", "description": "至尊宝与紫霞的宿命。", "year": 1995, "cover": "static/covers/a_chinese_odyssey.jpg"}, + + # 动画类 + {"title": "狮子王", "genre": "动画,冒险", "tags": "动画,冒险,成长", "description": "辛巴的成长与荣耀之旅。", "year": 1994, "cover": "static/covers/lion_king.jpg"}, + {"title": "千与千寻", "genre": "动画,奇幻", "tags": "动画,奇幻,成长", "description": "少女千寻的神隐世界历险。", "year": 2001, "cover": "static/covers/spirited_away.jpg"}, + {"title": "疯狂动物城", "genre": "动画,冒险", "tags": "动画,冒险,喜剧", "description": "万物共生的大城市。", "year": 2016, "cover": "static/covers/zootopia.jpg"}, + {"title": "寻梦环游记", "genre": "动画,冒险", "tags": "动画,音乐,亲情", "description": "音乐与亲情的追寻。", "year": 2017, "cover": "static/covers/coco.jpg"}, + + # 悬疑犯罪类 + {"title": "七宗罪", "genre": "悬疑,犯罪", "tags": "悬疑,犯罪,心理", "description": "连环罪案与人性拷问。", "year": 1995, "cover": "static/covers/se7en.jpg"}, + {"title": "搏击俱乐部", "genre": "剧情,惊悚", "tags": "悬疑,心理,社会", "description": "规则一:不要谈论搏击俱乐部。", "year": 1999, "cover": "static/covers/fight_club.jpg"}, + {"title": "致命魔术", "genre": "剧情,悬疑", "tags": "悬疑,魔术,竞争", "description": "魔术师的宿命对决。", "year": 2006, "cover": "static/covers/the_prestige.jpg"}, + {"title": "无间道", "genre": "犯罪,惊悚", "tags": "犯罪,卧底,警匪", "description": "警匪之间的双面人生。", "year": 2002, "cover": "static/covers/infernal_affairs.jpg"}, + + # 奇幻冒险类 + {"title": "指环王:王者归来", "genre": "奇幻,冒险", "tags": "奇幻,史诗,冒险", "description": "中土世界的最终之战。", "year": 2003, "cover": "static/covers/lotr_rotk.jpg"}, + {"title": "哈利·波特与魔法石", "genre": "奇幻,冒险", "tags": "奇幻,魔法,成长", "description": "魔法世界的入门之旅。", "year": 2001, "cover": "static/covers/harry_potter1.jpg"}, + {"title": "驯龙高手", "genre": "动画,冒险", "tags": "动画,冒险,龙", "description": "人与龙的羁绊。", "year": 2010, "cover": "static/covers/how_to_train_your_dragon.jpg"}, +] + +# 手动生成电影的数据模板 +MOVIE_TEMPLATES = { + "科幻": [ + {"title": "星际探索", "tags": "科幻,太空,冒险", "description": "人类探索宇宙的壮丽旅程。"}, + {"title": "未来都市", "tags": "科幻,未来,科技", "description": "高科技城市中的生存挑战。"}, + {"title": "时间旅行者", "tags": "科幻,时间,冒险", "description": "穿越时空的奇妙冒险。"}, + ], + "动作": [ + {"title": "极限特工", "tags": "动作,特工,冒险", "description": "特工执行危险任务的惊险故事。"}, + {"title": "城市猎人", "tags": "动作,犯罪,都市", "description": "都市中的正义守护者。"}, + ], + "剧情": [ + {"title": "人生旅程", "tags": "剧情,人生,成长", "description": "普通人不平凡的人生故事。"}, + {"title": "家庭纽带", "tags": "剧情,家庭,情感", "description": "家庭成员之间的情感纠葛。"}, + ], + "爱情": [ + {"title": "遇见爱情", "tags": "爱情,浪漫,相遇", "description": "命中注定的浪漫邂逅。"}, + {"title": "时光恋人", "tags": "爱情,时光,命运", "description": "跨越时空的爱情故事。"}, + ] +} + +def add_movie_batch(movies_data, skip_duplicates=True): + """批量添加电影到数据库""" + added_count = 0 + skipped_count = 0 + error_count = 0 + + for movie_data in movies_data: + try: + # 检查必填字段 + if not movie_data.get('title'): + print(f"⚠️ 跳过:电影标题为空") + skipped_count += 1 + continue + + # 检查重复 + if skip_duplicates: + existing_movie = Movie.query.filter_by(title=movie_data['title']).first() + if existing_movie: + print(f"⚠️ 跳过重复:{movie_data['title']}") + skipped_count += 1 + continue + + # 字段类型转换和过滤 + def safe_int(val): + try: + return int(val) + except: + return None + def safe_float(val): + try: + return float(val) + except: + return None + + movie = Movie( + title=movie_data.get('title', ''), + genre=movie_data.get('genre', ''), + tags=movie_data.get('tags', ''), + description=movie_data.get('description', ''), + year=safe_int(movie_data.get('year')), + cover=movie_data.get('cover', 'static/covers/default.jpg'), + rating=safe_float(movie_data.get('rating')), + ) + + db.session.add(movie) + added_count += 1 + print(f"✅ 添加:{movie_data.get('title', '')}") + + # 每添加10条提交一次,避免事务过大 + if added_count % 10 == 0: + db.session.commit() + print(f"📊 已提交 {added_count} 部电影...") + + except Exception as e: + error_count += 1 + print(f"❌ 添加失败:{movie_data.get('title', 'Unknown')} - {e}") + continue + + # 提交剩余记录 + try: + db.session.commit() + print(f"🎉 批量添加完成!") + print(f" - 成功添加:{added_count} 部") + print(f" - 跳过重复:{skipped_count} 部") + print(f" - 添加失败:{error_count} 部") + return added_count + except Exception as e: + db.session.rollback() + print(f"❌ 提交失败:{e}") + return 0 + +def import_from_csv(file_path): + """从CSV文件导入电影数据""" + print(f"📁 从CSV文件导入:{file_path}") + + try: + with open(file_path, 'r', encoding='utf-8') as file: + reader = csv.DictReader(file) + movies_data = [] + + for row in reader: + movie_data = { + 'title': row.get('标题') or row.get('title', ''), + 'genre': row.get('类型') or row.get('genre', ''), + 'tags': row.get('标签') or row.get('tags', ''), + 'description': row.get('描述') or row.get('description', ''), + 'year': int(row['年份']) if row.get('年份') and row['年份'].isdigit() else None, + 'cover': row.get('封面') or row.get('cover', ''), + 'director': row.get('导演') or row.get('director', ''), + 'actors': row.get('主演') or row.get('actors', ''), + 'country': row.get('国家') or row.get('country', ''), + 'language': row.get('语言') or row.get('language', ''), + 'duration': int(row['时长']) if row.get('时长') and row['时长'].isdigit() else None, + 'rating': float(row['评分']) if row.get('评分') else None, + 'rating_count': int(row['评分人数']) if row.get('评分人数') and row['评分人数'].isdigit() else None + } + movies_data.append(movie_data) + + return add_movie_batch(movies_data) + + except Exception as e: + print(f"❌ CSV导入失败:{e}") + return 0 + +def import_from_json(file_path): + """从JSON文件导入电影数据""" + print(f"📁 从JSON文件导入:{file_path}") + + try: + with open(file_path, 'r', encoding='utf-8') as file: + movies_data = json.load(file) + if not isinstance(movies_data, list): + print("❌ JSON文件格式错误:应为电影列表") + return 0 + + # 只保留Movie表支持的字段 + allowed_fields = {'title', 'genre', 'tags', 'description', 'year', 'cover', 'rating'} + filtered_movies = [] + for m in movies_data: + filtered = {k: v for k, v in m.items() if k in allowed_fields} + filtered_movies.append(filtered) + return add_movie_batch(filtered_movies) + except Exception as e: + print(f"❌ JSON导入失败:{e}") + return 0 + +def generate_manual_movies(count): + """手动生成电影数据""" + print(f"🎬 手动生成 {count} 部电影数据") + + movies_data = [] + genres = list(MOVIE_TEMPLATES.keys()) + + for i in range(count): + genre = random.choice(genres) + template = random.choice(MOVIE_TEMPLATES[genre]) + + movie_data = { + 'title': f"{template['title']} {i+1}", + 'genre': genre, + 'tags': template['tags'], + 'description': template['description'], + 'year': random.randint(1990, 2024), + 'cover': 'static/covers/default.jpg' + } + movies_data.append(movie_data) + + return add_movie_batch(movies_data) + +def main(): + """主函数""" + parser = argparse.ArgumentParser(description='批量添加电影脚本') + parser.add_argument('--source', choices=['builtin', 'csv', 'json', 'manual'], + default='builtin', help='数据源类型') + parser.add_argument('--file', help='数据文件路径(CSV或JSON)') + parser.add_argument('--count', type=int, default=50, help='手动生成电影数量') + parser.add_argument('--skip-duplicates', action='store_true', default=True, + help='跳过重复电影(默认开启)') + + args = parser.parse_args() + + # 创建应用上下文 + app = create_app() + + with app.app_context(): + # 创建数据库表 + db.create_all() + + added_count = 0 + + if args.source == 'builtin': + print("🎬 使用内置电影列表") + added_count = add_movie_batch(BUILTIN_MOVIES, args.skip_duplicates) + + elif args.source == 'csv': + if not args.file: + print("❌ 请使用 --file 参数指定CSV文件路径") + return + added_count = import_from_csv(args.file) + + elif args.source == 'json': + if not args.file: + print("❌ 请使用 --file 参数指定JSON文件路径") + return + added_count = import_from_json(args.file) + + elif args.source == 'manual': + added_count = generate_manual_movies(args.count) + + # 显示统计信息 + total_movies = Movie.query.count() + print(f"\n📊 数据库统计:") + print(f" - 当前电影总数:{total_movies}") + print(f" - 本次添加:{added_count} 部") + + if added_count > 0: + print(f"\n✅ 批量添加完成!") + else: + print(f"\nℹ️ 没有添加新电影(可能都是重复数据)") + +if __name__ == '__main__': + main() diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/clearup.py b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/clearup.py new file mode 100644 index 0000000..d4819eb --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/clearup.py @@ -0,0 +1,28 @@ +import os +import glob + +# 要删除的数据库文件列表 +db_files = [ + 'users.db', + 'movies.db', + 'movie_recommend.db', + 'users.db-journal', + 'movies.db-journal' +] + +print("正在清理旧的数据库文件...") + +deleted_count = 0 +for db_file in db_files: + if os.path.exists(db_file): + try: + os.remove(db_file) + print(f"✓ 已删除: {db_file}") + deleted_count += 1 + except Exception as e: + print(f"✗ 删除失败 {db_file}: {e}") + else: + print(f"- 文件不存在: {db_file}") + +print(f"\n清理完成!共删除了 {deleted_count} 个文件") +print("现在可以运行 app.py 启动新版本了") \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/douban_50_movies.json b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/douban_50_movies.json new file mode 100644 index 0000000..7849f60 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/douban_50_movies.json @@ -0,0 +1,46 @@ +[ + { + "title": "钢铁侠3", + "genre": "动作,科幻,冒险", + "description": "在《钢铁侠3》中,托尼·斯塔克面临着前所未有的挑战。当他的世界被神秘恐怖分子满大人摧毁后,斯塔克开始了寻找真凶的旅程。这次他必须依靠自己的智慧和创造力,而不是依赖高科技装备。影片深入探讨了托尼·斯塔克作为超级英雄和普通人的双重身份,展现了他面对心理创伤和身体威胁时的成长与蜕变。满大人的真实身份和背后的阴谋让整个故事充满了悬疑和反转,而小辣椒波茨在关键时刻的英勇表现也为影片增添了更多情感深度。", + "year": 2013, + "rating": 8.0, + "cover": "https://ts1.tc.mm.bing.net/th/id/R-C.6fac09995416e84bf1a7327caf252d07?rik=kTPbKbUiaM9iAA&riu=http%3a%2f%2fimg.sccnn.com%2fbimg%2f337%2f48129.jpg&ehk=1Fqs8xYGMwv1Mtg%2b50Atm3BUUxaROFbCc1S75CRqycc%3d&risl=&pid=ImgRaw&r=0", + "tags": "热门,漫威,超级英雄,动作,科幻,复仇者联盟" + }, + { + "title": "阿凡达", + "genre": "动作,科幻,冒险", + "description": "在《阿凡达》中,前海军陆战队员杰克·萨利被派往潘多拉星球执行任务。他通过阿凡达化身融入纳美族社会,并最终领导他们对抗人类采矿公司的压迫。影片以惊人的视觉效果和深刻的环保主题著称,探讨了殖民主义、身份认同和自然和谐。杰克在潘多拉的冒险中找到了新的归属,并与纳美族公主妮特丽建立了深厚的感情。", + "year": 2009, + "rating": 7.8, + "cover": "https://image.tmdb.org/t/p/w500/jRXYjXNq0Cs2TcJjLkki24MLp7u.jpg", + "tags": "热门,科幻,动作,冒险,3D" + }, + { + "title": "泰坦尼克号", + "genre": "剧情,爱情,灾难", + "description": "《泰坦尼克号》讲述了穷画家杰克和贵族少女露丝在泰坦尼克号邮轮上相遇并相爱的故事。影片以1912年泰坦尼克号沉没的真实事件为背景,展现了爱情、阶级差异和人类在灾难面前的勇气。杰克和露丝的浪漫故事贯穿始终,而邮轮的沉没场景则充满了紧张和悲壮。影片不仅获得了巨大的商业成功,还赢得了多项奥斯卡奖,成为电影史上的经典之作。", + "year": 1997, + "rating": 7.8, + "cover": "https://image.tmdb.org/t/p/w500/kHXEpyfl6zqn8a6YuozZUujufXf.jpg", + "tags": "经典,爱情,灾难,剧情,奥斯卡" + }, + { + "title": "星球大战:原力觉醒", + "genre": "动作,科幻,冒险", + "description": "在《星球大战:原力觉醒》中,银河系面临着新的威胁——第一秩序。蕾伊,一个生活在沙漠星球贾库的拾荒者,偶然遇到了机器人BB-8,并卷入了一场寻找卢克·天行者的冒险。她与逃亡士兵芬恩和传奇英雄汉·索罗联手,共同对抗第一秩序和凯洛·伦。影片继承了星球大战系列的经典元素,同时引入了新角色和故事线,充满了动作、幽默和情感深度。", + "year": 2015, + "rating": 7.8, + "cover": "https://image.tmdb.org/t/p/w500/wqnLdwVXoBjKibFRR5U3y0aDUhs.jpg", + "tags": "热门,科幻,动作,冒险,星球大战" + }, + { + "title": "复仇者联盟4:终局之战", + "genre": "动作,科幻,冒险", + "description": "在《复仇者联盟4:终局之战》中,复仇者联盟在灭霸的响指事件后,必须联手逆转灾难,拯救消失的一半宇宙生命。影片通过时间旅行元素,让英雄们回到过去收集无限宝石,同时探讨了牺牲、友谊和英雄主义。钢铁侠托尼·斯塔克的最终牺牲和美国队长的归宿为漫威电影宇宙的一个时代画上了句号。这部影片以其宏大的场面和情感冲击力,成为影史票房最高的电影之一。", + "year": 2019, + "rating": 8.4, + "cover": "https://image.tmdb.org/t/p/w500/or06FN3Dka5tukK1e9sl16pB3iy.jpg", + "tags": "热门,漫威,超级英雄,动作,科幻,终结" + },] \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/movie_recommend.db b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/movie_recommend.db new file mode 100644 index 0000000..818e190 Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/movie_recommend.db differ diff --git a/软件工程课程设计汇报PPT/~$05_软件工程课程设计汇报_阮烁阳(2025)(1).pptx b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/movies.db similarity index 100% rename from 软件工程课程设计汇报PPT/~$05_软件工程课程设计汇报_阮烁阳(2025)(1).pptx rename to src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/movies.db diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/users.db b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/users.db new file mode 100644 index 0000000..5fb1569 Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/instance/users.db differ diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/models.py b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/models.py new file mode 100644 index 0000000..68e3c8b --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/models.py @@ -0,0 +1,46 @@ +from flask_sqlalchemy import SQLAlchemy +from werkzeug.security import generate_password_hash, check_password_hash +from datetime import datetime + +db = SQLAlchemy() + +class User(db.Model): + __tablename__ = 'user' + id = db.Column(db.Integer, primary_key=True) + username = db.Column(db.String(80), unique=True, nullable=False) + password_hash = db.Column(db.String(200), nullable=False) + has_selected_tags = db.Column(db.Boolean, default=False) + selected_tags = db.Column(db.Text) + + def set_password(self, password): + self.password_hash = generate_password_hash(password) + + def check_password(self, password): + return check_password_hash(self.password_hash, password) + +class UserBehavior(db.Model): + __tablename__ = 'user_behavior' + id = db.Column(db.Integer, primary_key=True) + user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False) + movie_id = db.Column(db.Integer, nullable=False) + rating = db.Column(db.Float) + is_collected = db.Column(db.Boolean, default=False) + collected = db.Column(db.Boolean, default=False) + timestamp = db.Column(db.DateTime, default=datetime.utcnow) # 添加时间戳字段 + +class Movie(db.Model): + __tablename__ = 'movie' + id = db.Column(db.Integer, primary_key=True) + title = db.Column(db.String(200), nullable=False) + genre = db.Column(db.String(100)) + description = db.Column(db.Text) + year = db.Column(db.Integer) + rating = db.Column(db.Float, default=0.0) + cover = db.Column(db.String(500)) + tags = db.Column(db.Text) + +class UserFavorite(db.Model): + __tablename__ = 'user_favorite' + id = db.Column(db.Integer, primary_key=True) + user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False) + movie_id = db.Column(db.Integer, nullable=False) \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/movies.json b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/movies.json new file mode 100644 index 0000000..85d9106 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/movies.json @@ -0,0 +1,49 @@ +[ + { + "title": "新增电影1", + "genre": "动作,科幻,冒险", + "description": "在《钢铁侠3》中,托尼·斯塔克面临着前所未有的挑战。当他的世界被神秘恐怖分子满大人摧毁后,斯塔克开始了寻找真凶的旅程。这次他必须依靠自己的智慧和创造力,而不是依赖高科技装备。影片深入探讨了托尼·斯塔克作为超级英雄和普通人的双重身份,展现了他面对心理创伤和身体威胁时的成长与蜕变。满大人的真实身份和背后的阴谋让整个故事充满了悬疑和反转,而小辣椒波茨在关键时刻的英勇表现也为影片增添了更多情感深度。", + "year": 2013, + "rating": 8.0, + "cover": "static/covers/1.jpg", + "tags": "热门,漫威,超级英雄,动作,科幻,复仇者联盟" + }, + { + "title": "新增电影2", + "genre": "动作,科幻,冒险", + "description": "在《阿凡达》中,前海军陆战队员杰克·萨利被派往潘多拉星球执行任务。他通过阿凡达化身融入纳美族社会,并最终领导他们对抗人类采矿公司的压迫。影片以惊人的视觉效果和深刻的环保主题著称,探讨了殖民主义、身份认同和自然和谐。杰克在潘多拉的冒险中找到了新的归属,并与纳美族公主妮特丽建立了深厚的感情。", + "year": 2009, + "rating": 7.8, + "cover": "static/covers/1.jpg", + "tags": "热门,科幻,动作,冒险,3D" + }, + + { + "title": "新增电影3", + "genre": "动作,科幻,冒险", + "description": "在《复仇者联盟4:终局之战》中,复仇者联盟在灭霸的响指事件后,必须联手逆转灾难,拯救消失的一半宇宙生命。影片通过时间旅行元素,让英雄们回到过去收集无限宝石,同时探讨了牺牲、友谊和英雄主义。钢铁侠托尼·斯塔克的最终牺牲和美国队长的归宿为漫威电影宇宙的一个时代画上了句号。这部影片以其宏大的场面和情感冲击力,成为影史票房最高的电影之一。", + "year": 2019, + "rating": 8.4, + "cover": "static/covers/1.jpg", + "tags": "热门,漫威,超级英雄,动作,科幻,终结" + }, + { + "title": "新增电影4", + "genre": "科幻,动作,惊悚", + "description": "《盗梦空间》讲述了一群盗贼通过潜入他人梦境窃取机密或植入思想的故事。主角多姆·柯布被迫执行一项看似不可能的任务——在目标潜意识中植入一个想法。影片以复杂的梦境层次和时间概念为特色,探讨了现实与梦境的界限、记忆和赎罪。诺兰的导演手法让观众沉浸在视觉奇观和哲学思考中,结局的开放式悬念更引发了广泛讨论。", + "year": 2010, + "rating": 8.8, + "cover": "static/covers/1.jpg", + "tags": "科幻,惊悚,动作,烧脑,诺兰" + }, + { + "title": "新增电影5", + "genre": "动作,犯罪,剧情", + "description": "在《黑暗骑士》中,蝙蝠侠面对他最强大的对手——小丑,一个混乱无秩序的恐怖分子。小丑试图摧毁高谭市的道德秩序,迫使蝙蝠侠在正义与暴力之间做出选择。影片深入探讨了英雄主义、疯狂和社会正义,希斯·莱杰饰演的小丑成为影史经典反派。克里斯蒂安·贝尔的蝙蝠侠和加里·奥德曼的戈登警长也为故事增添了深度,使这部电影不仅是超级英雄片,更是一部哲学惊悚片。", + "year": 2008, + "rating": 9.0, + "cover": "static/covers/1.jpg", + "tags": "超级英雄,犯罪,剧情,黑暗,奥斯卡" + } + +] \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/name.html b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/name.html new file mode 100644 index 0000000..99154fc --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/name.html @@ -0,0 +1,537 @@ + + + + + + 电影批量添加工具 + + + + + + 电影批量添加工具 + 一次性添加多部电影到您的数据库 + + + + + 添加电影信息 + + + 电影标题 * + + + + + 电影类型(可选,逗号分隔) + + + + + 电影描述(可选) + + + + + 上映年份(可选) + + + + + 图片生成方式 + + 使用占位图片 + 使用Picsum随机图片 + 自定义图片URL + + + + + 自定义图片URL + + + + 添加到列表 + 清空表单 + + + 当前列表:0 部电影 + + + + + 电影预览 + + + + 暂无电影,请先添加 + + + 批量添加电影 + 清空列表 + + + + + 批量导入功能 + 您可以使用以下JSON格式批量导入电影数据: + + 导入JSON数据 + 导出为JSON + + + + + 电影已成功添加到列表! + + + + + \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/requirements.txt b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/requirements.txt new file mode 100644 index 0000000..1b37a2d --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/requirements.txt @@ -0,0 +1,6 @@ +Flask==2.3.3 +Flask-SQLAlchemy==3.0.5 +Werkzeug==2.3.7 +numpy==1.24.3 +requests==2.31.0 +openai==1.3.0 \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/reset_db.py b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/reset_db.py new file mode 100644 index 0000000..f74e843 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/reset_db.py @@ -0,0 +1,12 @@ +# reset_db.py +from app import app, db +from models import Movie + +with app.app_context(): + # 删除movie表中的所有记录 + Movie.query.delete() + db.session.commit() + print("电影库内容已清空完成!") + db.drop_all() + db.create_all() + print("数据库重置完成!") \ No newline at end of file diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/1.jpg b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/1.jpg new file mode 100644 index 0000000..daaa67f Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/1.jpg differ diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/10.jpg b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/10.jpg new file mode 100644 index 0000000..6465983 Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/10.jpg differ diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/100.jpg b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/100.jpg new file mode 100644 index 0000000..d25500e Binary files /dev/null and b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/covers/100.jpg differ diff --git a/src/FilmFinder电影推荐系统/软工课设 - 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i=[],s=t._getSortedDatasetMetas(e);let n,o;for(n=0,o=s.length;n0||!i&&e<0)return n.index}return null}function Vs(t,e){const{chart:i,_cachedMeta:s}=t,n=i._stacks||(i._stacks={}),{iScale:o,vScale:a,index:r}=s,l=o.axis,h=a.axis,c=function(t,e,i){return`${t.id}.${e.id}.${i.stack||i.type}`}(o,a,s),d=e.length;let u;for(let t=0;ti[t].axis===e)).shift()}function Ws(t,e){const i=t.controller.index,s=t.vScale&&t.vScale.axis;if(s){e=e||t._parsed;for(const t of e){const e=t._stacks;if(!e||void 0===e[s]||void 0===e[s][i])return;delete e[s][i],void 0!==e[s]._visualValues&&void 0!==e[s]._visualValues[i]&&delete e[s]._visualValues[i]}}}const Ns=t=>"reset"===t||"none"===t,Hs=(t,e)=>e?t:Object.assign({},t);class js{static defaults={};static datasetElementType=null;static dataElementType=null;constructor(t,e){this.chart=t,this._ctx=t.ctx,this.index=e,this._cachedDataOpts={},this._cachedMeta=this.getMeta(),this._type=this._cachedMeta.type,this.options=void 0,this._parsing=!1,this._data=void 0,this._objectData=void 0,this._sharedOptions=void 0,this._drawStart=void 0,this._drawCount=void 0,this.enableOptionSharing=!1,this.supportsDecimation=!1,this.$context=void 0,this._syncList=[],this.datasetElementType=new.target.datasetElementType,this.dataElementType=new.target.dataElementType,this.initialize()}initialize(){const t=this._cachedMeta;this.configure(),this.linkScales(),t._stacked=Is(t.vScale,t),this.addElements(),this.options.fill&&!this.chart.isPluginEnabled("filler")&&console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options")}updateIndex(t){this.index!==t&&Ws(this._cachedMeta),this.index=t}linkScales(){const t=this.chart,e=this._cachedMeta,i=this.getDataset(),s=(t,e,i,s)=>"x"===t?e:"r"===t?s:i,n=e.xAxisID=l(i.xAxisID,Bs(t,"x")),o=e.yAxisID=l(i.yAxisID,Bs(t,"y")),a=e.rAxisID=l(i.rAxisID,Bs(t,"r")),r=e.indexAxis,h=e.iAxisID=s(r,n,o,a),c=e.vAxisID=s(r,o,n,a);e.xScale=this.getScaleForId(n),e.yScale=this.getScaleForId(o),e.rScale=this.getScaleForId(a),e.iScale=this.getScaleForId(h),e.vScale=this.getScaleForId(c)}getDataset(){return this.chart.data.datasets[this.index]}getMeta(){return this.chart.getDatasetMeta(this.index)}getScaleForId(t){return this.chart.scales[t]}_getOtherScale(t){const e=this._cachedMeta;return t===e.iScale?e.vScale:e.iScale}reset(){this._update("reset")}_destroy(){const t=this._cachedMeta;this._data&&rt(this._data,this),t._stacked&&Ws(t)}_dataCheck(){const t=this.getDataset(),e=t.data||(t.data=[]),i=this._data;if(o(e)){const t=this._cachedMeta;this._data=function(t,e){const{iScale:i,vScale:s}=e,n="x"===i.axis?"x":"y",o="x"===s.axis?"x":"y",a=Object.keys(t),r=new Array(a.length);let l,h,c;for(l=0,h=a.length;l0&&i._parsed[t-1];if(!1===this._parsing)i._parsed=s,i._sorted=!0,d=s;else{d=n(s[t])?this.parseArrayData(i,s,t,e):o(s[t])?this.parseObjectData(i,s,t,e):this.parsePrimitiveData(i,s,t,e);const a=()=>null===c[l]||f&&c[l]t&&!e.hidden&&e._stacked&&{keys:Es(i,!0),values:null})(e,i,this.chart),h={min:Number.POSITIVE_INFINITY,max:Number.NEGATIVE_INFINITY},{min:c,max:d}=function(t){const{min:e,max:i,minDefined:s,maxDefined:n}=t.getUserBounds();return{min:s?e:Number.NEGATIVE_INFINITY,max:n?i:Number.POSITIVE_INFINITY}}(r);let u,f;function g(){f=s[u];const e=f[r.axis];return!a(f[t.axis])||c>e||d=0;--u)if(!g()){this.updateRangeFromParsed(h,t,f,l);break}return h}getAllParsedValues(t){const e=this._cachedMeta._parsed,i=[];let s,n,o;for(s=0,n=e.length;s=0&&tthis.getContext(i,s,e)),c);return f.$shared&&(f.$shared=r,n[o]=Object.freeze(Hs(f,r))),f}_resolveAnimations(t,e,i){const s=this.chart,n=this._cachedDataOpts,o=`animation-${e}`,a=n[o];if(a)return a;let r;if(!1!==s.options.animation){const s=this.chart.config,n=s.datasetAnimationScopeKeys(this._type,e),o=s.getOptionScopes(this.getDataset(),n);r=s.createResolver(o,this.getContext(t,i,e))}const l=new Ts(s,r&&r.animations);return r&&r._cacheable&&(n[o]=Object.freeze(l)),l}getSharedOptions(t){if(t.$shared)return this._sharedOptions||(this._sharedOptions=Object.assign({},t))}includeOptions(t,e){return!e||Ns(t)||this.chart._animationsDisabled}_getSharedOptions(t,e){const i=this.resolveDataElementOptions(t,e),s=this._sharedOptions,n=this.getSharedOptions(i),o=this.includeOptions(e,n)||n!==s;return this.updateSharedOptions(n,e,i),{sharedOptions:n,includeOptions:o}}updateElement(t,e,i,s){Ns(s)?Object.assign(t,i):this._resolveAnimations(e,s).update(t,i)}updateSharedOptions(t,e,i){t&&!Ns(e)&&this._resolveAnimations(void 0,e).update(t,i)}_setStyle(t,e,i,s){t.active=s;const n=this.getStyle(e,s);this._resolveAnimations(e,i,s).update(t,{options:!s&&this.getSharedOptions(n)||n})}removeHoverStyle(t,e,i){this._setStyle(t,i,"active",!1)}setHoverStyle(t,e,i){this._setStyle(t,i,"active",!0)}_removeDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!1)}_setDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){const e=this._data,i=this._cachedMeta.data;for(const[t,e,i]of this._syncList)this[t](e,i);this._syncList=[];const s=i.length,n=e.length,o=Math.min(n,s);o&&this.parse(0,o),n>s?this._insertElements(s,n-s,t):n{for(t.length+=e,a=t.length-1;a>=o;a--)t[a]=t[a-e]};for(r(n),a=t;a{s[t]=i[t]&&i[t].active()?i[t]._to:this[t]})),s}}function Ys(t,e){const i=t.options.ticks,n=function(t){const e=t.options.offset,i=t._tickSize(),s=t._length/i+(e?0:1),n=t._maxLength/i;return Math.floor(Math.min(s,n))}(t),o=Math.min(i.maxTicksLimit||n,n),a=i.major.enabled?function(t){const e=[];let i,s;for(i=0,s=t.length;io)return function(t,e,i,s){let n,o=0,a=i[0];for(s=Math.ceil(s),n=0;nn)return e}return Math.max(n,1)}(a,e,o);if(r>0){let t,i;const n=r>1?Math.round((h-l)/(r-1)):null;for(Us(e,c,d,s(n)?0:l-n,l),t=0,i=r-1;t"top"===e||"left"===e?t[e]+i:t[e]-i,qs=(t,e)=>Math.min(e||t,t);function Ks(t,e){const i=[],s=t.length/e,n=t.length;let o=0;for(;oa+r)))return h}function Js(t){return t.drawTicks?t.tickLength:0}function Zs(t,e){if(!t.display)return 0;const i=Si(t.font,e),s=ki(t.padding);return(n(t.text)?t.text.length:1)*i.lineHeight+s.height}function Qs(t,e,i){let s=ut(t);return(i&&"right"!==e||!i&&"right"===e)&&(s=(t=>"left"===t?"right":"right"===t?"left":t)(s)),s}class tn extends $s{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=r(t,Number.POSITIVE_INFINITY),e=r(e,Number.NEGATIVE_INFINITY),i=r(i,Number.POSITIVE_INFINITY),s=r(s,Number.NEGATIVE_INFINITY),{min:r(t,i),max:r(e,s),minDefined:a(t),maxDefined:a(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;rs?s:i,s=n&&i>s?i:s,{min:r(i,r(s,i)),max:r(s,r(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}getLabelItems(t=this.chart.chartArea){return this._labelItems||(this._labelItems=this._computeLabelItems(t))}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){d(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=Di(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=Z(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Js(t.grid)-e.padding-Zs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=Y(Math.min(Math.asin(Z((h.highest.height+6)/o,-1,1)),Math.asin(Z(a/r,-1,1))-Math.asin(Z(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){d(this.options.afterCalculateLabelRotation,[this])}afterAutoSkip(){}beforeFit(){d(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=Zs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Js(n)+o):(t.height=this.maxHeight,t.width=Js(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=$(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:"inner"!==n&&(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){d(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n({width:r[t]||0,height:l[t]||0});return{first:P(0),last:P(e-1),widest:P(k),highest:P(S),widths:r,heights:l}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return Q(this._alignToPixels?Ae(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&ta*s?a/i:r/s:r*s0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:a,border:r}=s,h=n.offset,c=this.isHorizontal(),d=this.ticks.length+(h?1:0),u=Js(n),f=[],g=r.setContext(this.getContext()),p=g.display?g.width:0,m=p/2,x=function(t){return Ae(i,t,p)};let b,_,y,v,M,w,k,S,P,D,C,O;if("top"===a)b=x(this.bottom),w=this.bottom-u,S=b-m,D=x(t.top)+m,O=t.bottom;else if("bottom"===a)b=x(this.top),D=t.top,O=x(t.bottom)-m,w=b+m,S=this.top+u;else if("left"===a)b=x(this.right),M=this.right-u,k=b-m,P=x(t.left)+m,C=t.right;else if("right"===a)b=x(this.left),P=t.left,C=x(t.right)-m,M=b+m,k=this.left+u;else if("x"===e){if("center"===a)b=x((t.top+t.bottom)/2+.5);else if(o(a)){const t=Object.keys(a)[0],e=a[t];b=x(this.chart.scales[t].getPixelForValue(e))}D=t.top,O=t.bottom,w=b+m,S=w+u}else if("y"===e){if("center"===a)b=x((t.left+t.right)/2);else if(o(a)){const t=Object.keys(a)[0],e=a[t];b=x(this.chart.scales[t].getPixelForValue(e))}M=b-m,k=M-u,P=t.left,C=t.right}const A=l(s.ticks.maxTicksLimit,d),T=Math.max(1,Math.ceil(d/A));for(_=0;_0&&(o-=s/2)}d={left:o,top:n,width:s+e.width,height:i+e.height,color:t.backdropColor}}x.push({label:v,font:P,textOffset:O,options:{rotation:m,color:i,strokeColor:o,strokeWidth:h,textAlign:f,textBaseline:A,translation:[M,w],backdrop:d}})}return x}_getXAxisLabelAlignment(){const{position:t,ticks:e}=this.options;if(-$(this.labelRotation))return"top"===t?"left":"right";let i="center";return"start"===e.align?i="left":"end"===e.align?i="right":"inner"===e.align&&(i="inner"),i}_getYAxisLabelAlignment(t){const{position:e,ticks:{crossAlign:i,mirror:s,padding:n}}=this.options,o=t+n,a=this._getLabelSizes().widest.width;let r,l;return"left"===e?s?(l=this.right+n,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l+=a)):(l=this.right-o,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l=this.left)):"right"===e?s?(l=this.left+n,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l-=a)):(l=this.left+o,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l=this.right)):r="right",{textAlign:r,x:l}}_computeLabelArea(){if(this.options.ticks.mirror)return;const t=this.chart,e=this.options.position;return"left"===e||"right"===e?{top:0,left:this.left,bottom:t.height,right:this.right}:"top"===e||"bottom"===e?{top:this.top,left:0,bottom:this.bottom,right:t.width}:void 0}drawBackground(){const{ctx:t,options:{backgroundColor:e},left:i,top:s,width:n,height:o}=this;e&&(t.save(),t.fillStyle=e,t.fillRect(i,s,n,o),t.restore())}getLineWidthForValue(t){const e=this.options.grid;if(!this._isVisible()||!e.display)return 0;const i=this.ticks.findIndex((e=>e.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:s,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){const e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID",s=[];let n,o;for(n=0,o=e.length;n{const s=i.split("."),n=s.pop(),o=[t].concat(s).join("."),a=e[i].split("."),r=a.pop(),l=a.join(".");ue.route(o,n,l,r)}))}(e,t.defaultRoutes);t.descriptors&&ue.describe(e,t.descriptors)}(t,o,i),this.override&&ue.override(t.id,t.overrides)),o}get(t){return this.items[t]}unregister(t){const e=this.items,i=t.id,s=this.scope;i in e&&delete e[i],s&&i in ue[s]&&(delete ue[s][i],this.override&&delete re[i])}}class sn{constructor(){this.controllers=new en(js,"datasets",!0),this.elements=new en($s,"elements"),this.plugins=new en(Object,"plugins"),this.scales=new en(tn,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):u(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=w(t);d(i["before"+s],[],i),e[t](i),d(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;et.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function an(t,e){return e||!1!==t?!0===t?{}:t:null}function rn(t,{plugin:e,local:i},s,n){const o=t.pluginScopeKeys(e),a=t.getOptionScopes(s,o);return i&&e.defaults&&a.push(e.defaults),t.createResolver(a,n,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function ln(t,e){const i=ue.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function hn(t){if("x"===t||"y"===t||"r"===t)return t}function cn(t,...e){if(hn(t))return t;for(const s of e){const e=s.axis||("top"===(i=s.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.length>1&&hn(t[0].toLowerCase());if(e)return e}var i;throw new Error(`Cannot determine type of '${t}' axis. Please provide 'axis' or 'position' option.`)}function dn(t,e,i){if(i[e+"AxisID"]===t)return{axis:e}}function un(t,e){const i=re[t.type]||{scales:{}},s=e.scales||{},n=ln(t.type,e),a=Object.create(null);return Object.keys(s).forEach((e=>{const r=s[e];if(!o(r))return console.error(`Invalid scale configuration for scale: ${e}`);if(r._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${e}`);const l=cn(e,r,function(t,e){if(e.data&&e.data.datasets){const i=e.data.datasets.filter((e=>e.xAxisID===t||e.yAxisID===t));if(i.length)return dn(t,"x",i[0])||dn(t,"y",i[0])}return{}}(e,t),ue.scales[r.type]),h=function(t,e){return t===e?"_index_":"_value_"}(l,n),c=i.scales||{};a[e]=b(Object.create(null),[{axis:l},r,c[l],c[h]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,o=i.indexAxis||ln(n,e),r=(re[n]||{}).scales||{};Object.keys(r).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,o),n=i[e+"AxisID"]||e;a[n]=a[n]||Object.create(null),b(a[n],[{axis:e},s[n],r[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];b(e,[ue.scales[e.type],ue.scale])})),a}function fn(t){const e=t.options||(t.options={});e.plugins=l(e.plugins,{}),e.scales=un(t,e)}function gn(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const pn=new Map,mn=new Set;function xn(t,e){let i=pn.get(t);return i||(i=e(),pn.set(t,i),mn.add(i)),i}const bn=(t,e,i)=>{const s=M(e,i);void 0!==s&&t.add(s)};class _n{constructor(t){this._config=function(t){return(t=t||{}).data=gn(t.data),fn(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=gn(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),fn(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return xn(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return xn(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return xn(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return xn(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>bn(r,t,e)))),e.forEach((t=>bn(r,s,t))),e.forEach((t=>bn(r,re[n]||{},t))),e.forEach((t=>bn(r,ue,t))),e.forEach((t=>bn(r,le,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),mn.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,re[e]||{},ue.datasets[e]||{},{type:e},ue,le]}resolveNamedOptions(t,e,i,s=[""]){const o={$shared:!0},{resolver:a,subPrefixes:r}=yn(this._resolverCache,t,s);let l=a;if(function(t,e){const{isScriptable:i,isIndexable:s}=Ye(t);for(const o of e){const e=i(o),a=s(o),r=(a||e)&&t[o];if(e&&(S(r)||vn(r))||a&&n(r))return!0}return!1}(a,e)){o.$shared=!1;l=$e(a,i=S(i)?i():i,this.createResolver(t,i,r))}for(const t of e)o[t]=l[t];return o}createResolver(t,e,i=[""],s){const{resolver:n}=yn(this._resolverCache,t,i);return o(e)?$e(n,e,void 0,s):n}}function yn(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:je(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const vn=t=>o(t)&&Object.getOwnPropertyNames(t).some((e=>S(t[e])));const Mn=["top","bottom","left","right","chartArea"];function wn(t,e){return"top"===t||"bottom"===t||-1===Mn.indexOf(t)&&"x"===e}function kn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function Sn(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),d(i&&i.onComplete,[t],e)}function Pn(t){const e=t.chart,i=e.options.animation;d(i&&i.onProgress,[t],e)}function Dn(t){return fe()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const Cn={},On=t=>{const e=Dn(t);return Object.values(Cn).filter((t=>t.canvas===e)).pop()};function An(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}class Tn{static defaults=ue;static instances=Cn;static overrides=re;static registry=nn;static version="4.5.1";static getChart=On;static register(...t){nn.add(...t),Ln()}static unregister(...t){nn.remove(...t),Ln()}constructor(t,e){const s=this.config=new _n(e),n=Dn(t),o=On(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas with ID '"+o.canvas.id+"' can be reused.");const a=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||Ps(n)),this.platform.updateConfig(s);const r=this.platform.acquireContext(n,a.aspectRatio),l=r&&r.canvas,h=l&&l.height,c=l&&l.width;this.id=i(),this.ctx=r,this.canvas=l,this.width=c,this.height=h,this._options=a,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new on,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=dt((t=>this.update(t)),a.resizeDelay||0),this._dataChanges=[],Cn[this.id]=this,r&&l?(bt.listen(this,"complete",Sn),bt.listen(this,"progress",Pn),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:n,_aspectRatio:o}=this;return s(t)?e&&o?o:n?i/n:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}get registry(){return nn}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Te(this.canvas,this.ctx),this}stop(){return bt.stop(this),this}resize(t,e){bt.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),d(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){u(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=cn(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),u(n,(e=>{const n=e.options,o=n.id,a=cn(o,n),r=l(n.type,e.dtype);void 0!==n.position&&wn(n.position,a)===wn(e.dposition)||(n.position=e.dposition),s[o]=!0;let h=null;if(o in i&&i[o].type===r)h=i[o];else{h=new(nn.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[h.id]=h}h.init(n,t)})),u(s,((t,e)=>{t||delete i[e]})),u(i,(t=>{ls.configure(this,t,t.options),ls.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;te.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(kn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){u(this.scales,(t=>{ls.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);P(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){An(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;tt.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;ls.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],u(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i={meta:t,index:t.index,cancelable:!0},s=Ni(this,t);!1!==this.notifyPlugins("beforeDatasetDraw",i)&&(s&&Ie(e,s),t.controller.draw(),s&&ze(e),i.cancelable=!1,this.notifyPlugins("afterDatasetDraw",i))}isPointInArea(t){return Re(t,this.chartArea,this._minPadding)}getElementsAtEventForMode(t,e,i,s){const n=Ki.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ci(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);k(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),bt.remove(this),t=0,e=this.data.datasets.length;t{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};u(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){u(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},u(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!f(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}isPluginEnabled(t){return 1===this._plugins._cache.filter((e=>e.plugin.id===t)).length}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:this.isPointInArea(t)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=D(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,d(n.onHover,[t,a,this],this),r&&d(n.onClick,[t,a,this],this));const h=!f(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}function Ln(){return u(Tn.instances,(t=>t._plugins.invalidate()))}function En(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}class Rn{static override(t){Object.assign(Rn.prototype,t)}options;constructor(t){this.options=t||{}}init(){}formats(){return En()}parse(){return En()}format(){return En()}add(){return En()}diff(){return En()}startOf(){return En()}endOf(){return En()}}var In={_date:Rn};function zn(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;et-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(k(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;sMath.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function Vn(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;ht.x,i="left",s="right"):(e=t.base"spacing"!==t,_indexable:t=>"spacing"!==t&&!t.startsWith("borderDash")&&!t.startsWith("hoverBorderDash")};static overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data,{labels:{pointStyle:i,textAlign:s,color:n,useBorderRadius:o,borderRadius:a}}=t.legend.options;return e.labels.length&&e.datasets.length?e.labels.map(((e,r)=>{const l=t.getDatasetMeta(0).controller.getStyle(r);return{text:e,fillStyle:l.backgroundColor,fontColor:n,hidden:!t.getDataVisibility(r),lineDash:l.borderDash,lineDashOffset:l.borderDashOffset,lineJoin:l.borderJoinStyle,lineWidth:l.borderWidth,strokeStyle:l.borderColor,textAlign:s,pointStyle:i,borderRadius:o&&(a||l.borderRadius),index:r}})):[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}}};constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,a,r=t=>+i[t];if(o(i[t])){const{key:t="value"}=this._parsing;r=e=>+M(i[e],t)}for(n=t,a=t+e;nJ(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>J(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(E,c,u),x=g(C,h,d),b=g(C+E,c,u);s=(p-x)/2,n=(m-b)/2,o=-(p+x)/2,a=-(m+b)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(u,d,r),x=(i.width-o)/f,b=(i.height-o)/g,_=Math.max(Math.min(x,b)/2,0),y=c(this.options.radius,_),v=(y-Math.max(y*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=p*y,this.offsetY=m*y,s.total=this.calculateTotal(),this.outerRadius=y-v*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-v*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/O)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,{sharedOptions:f,includeOptions:g}=this._getSharedOptions(e,s);let p,m=this._getRotation();for(p=0;p0&&!isNaN(t)?O*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=ne(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s{const 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s=this.getParsed(i).r;!isNaN(s)&&this.chart.getDataVisibility(i)&&(se.max&&(e.max=s))})),e}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.options.animation,r=this._cachedMeta.rScale,l=r.xCenter,h=r.yCenter,c=r.getIndexAngle(0)-.5*C;let d,u=c;const f=360/this.countVisibleElements();for(d=0;d{!isNaN(this.getParsed(i).r)&&this.chart.getDataVisibility(i)&&e++})),e}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?$(this.resolveDataElementOptions(t,e).angle||i):0}}var Un=Object.freeze({__proto__:null,BarController:class extends js{static id="bar";static 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qn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function Kn(t,e,i,s,n,o){const{x:a,y:r,startAngle:l,pixelMargin:h,innerRadius:c}=e,d=Math.max(e.outerRadius+s+i-h,0),u=c>0?c+s+i+h:0;let f=0;const g=n-l;if(s){const t=((c>0?c-s:0)+(d>0?d-s:0))/2;f=(g-(0!==t?g*t/(t+s):g))/2}const p=(g-Math.max(.001,g*d-i/C)/d)/2,m=l+p+f,x=n-p-f,{outerStart:b,outerEnd:_,innerStart:y,innerEnd:v}=Xn(e,u,d,x-m),M=d-b,w=d-_,k=m+b/M,S=x-_/w,P=u+y,D=u+v,O=m+y/P,A=x-v/D;if(t.beginPath(),o){const e=(k+S)/2;if(t.arc(a,r,d,k,e),t.arc(a,r,d,e,S),_>0){const e=qn(w,S,a,r);t.arc(e.x,e.y,_,S,x+E)}const i=qn(D,x,a,r);if(t.lineTo(i.x,i.y),v>0){const e=qn(D,A,a,r);t.arc(e.x,e.y,v,x+E,A+Math.PI)}const s=(x-v/u+(m+y/u))/2;if(t.arc(a,r,u,x-v/u,s,!0),t.arc(a,r,u,s,m+y/u,!0),y>0){const e=qn(P,O,a,r);t.arc(e.x,e.y,y,O+Math.PI,m-E)}const n=qn(M,m,a,r);if(t.lineTo(n.x,n.y),b>0){const e=qn(M,k,a,r);t.arc(e.x,e.y,b,m-E,k)}}else{t.moveTo(a,r);const e=Math.cos(k)*d+a,i=Math.sin(k)*d+r;t.lineTo(e,i);const 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descriptors={_scriptable:!0,_indexable:t=>"borderDash"!==t&&"fill"!==t};constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;hi(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=zi(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Ii(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?pi:t.tension||"monotone"===t.cubicInterpolationMode?mi:gi}(i);let l,h;for(l=0,h=o.length;l"borderDash"!==t};circumference;endAngle;fullCircles;innerRadius;outerRadius;pixelMargin;startAngle;constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.getProps(["x","y"],i),{angle:n,distance:o}=X(s,{x:t,y:e}),{startAngle:a,endAngle:r,innerRadius:h,outerRadius:c,circumference:d}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),u=(this.options.spacing+this.options.borderWidth)/2,f=l(d,r-a),g=J(n,a,r)&&a!==r,p=f>=O||g,m=tt(o,h+u,c+u);return p&&m}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/4,n=(e.spacing||0)/2,o=e.circular;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>O?Math.floor(i/O):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();const a=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(a)*s,Math.sin(a)*s);const r=s*(1-Math.sin(Math.min(C,i||0)));t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor,function(t,e,i,s,n){const{fullCircles:o,startAngle:a,circumference:r}=e;let l=e.endAngle;if(o){Kn(t,e,i,s,l,n);for(let e=0;e("string"==typeof e?(i=t.push(e)-1,s.unshift({index:i,label:e})):isNaN(e)&&(i=null),i))(t,e,i,s);return n!==t.lastIndexOf(e)?i:n}function mo(t){const e=this.getLabels();return t>=0&&ts=e?s:t,a=t=>n=i?n:t;if(t){const t=F(s),e=F(n);t<0&&e<0?a(0):t>0&&e>0&&o(0)}if(s===n){let e=0===n?1:Math.abs(.05*n);a(n+e),t||o(s-e)}this.min=s,this.max=n}getTickLimit(){const t=this.options.ticks;let e,{maxTicksLimit:i,stepSize:s}=t;return s?(e=Math.ceil(this.max/s)-Math.floor(this.min/s)+1,e>1e3&&(console.warn(`scales.${this.id}.ticks.stepSize: ${s} would result generating up to ${e} ticks. Limiting to 1000.`),e=1e3)):(e=this.computeTickLimit(),i=i||11),i&&(e=Math.min(i,e)),e}computeTickLimit(){return Number.POSITIVE_INFINITY}buildTicks(){const t=this.options,e=t.ticks;let i=this.getTickLimit();i=Math.max(2,i);const n=function(t,e){const i=[],{bounds:n,step:o,min:a,max:r,precision:l,count:h,maxTicks:c,maxDigits:d,includeBounds:u}=t,f=o||1,g=c-1,{min:p,max:m}=e,x=!s(a),b=!s(r),_=!s(h),y=(m-p)/(d+1);let v,M,w,k,S=B((m-p)/g/f)*f;if(S<1e-14&&!x&&!b)return[{value:p},{value:m}];k=Math.ceil(m/S)-Math.floor(p/S),k>g&&(S=B(k*S/g/f)*f),s(l)||(v=Math.pow(10,l),S=Math.ceil(S*v)/v),"ticks"===n?(M=Math.floor(p/S)*S,w=Math.ceil(m/S)*S):(M=p,w=m),x&&b&&o&&H((r-a)/o,S/1e3)?(k=Math.round(Math.min((r-a)/S,c)),S=(r-a)/k,M=a,w=r):_?(M=x?a:M,w=b?r:w,k=h-1,S=(w-M)/k):(k=(w-M)/S,k=V(k,Math.round(k),S/1e3)?Math.round(k):Math.ceil(k));const P=Math.max(U(S),U(M));v=Math.pow(10,s(l)?P:l),M=Math.round(M*v)/v,w=Math.round(w*v)/v;let D=0;for(x&&(u&&M!==a?(i.push({value:a}),Mr)break;i.push({value:t})}return b&&u&&w!==r?i.length&&V(i[i.length-1].value,r,xo(r,y,t))?i[i.length-1].value=r:i.push({value:r}):b&&w!==r||i.push({value:w}),i}({maxTicks:i,bounds:t.bounds,min:t.min,max:t.max,precision:e.precision,step:e.stepSize,count:e.count,maxDigits:this._maxDigits(),horizontal:this.isHorizontal(),minRotation:e.minRotation||0,includeBounds:!1!==e.includeBounds},this._range||this);return"ticks"===t.bounds&&j(n,this,"value"),t.reverse?(n.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),n}configure(){const t=this.ticks;let e=this.min,i=this.max;if(super.configure(),this.options.offset&&t.length){const s=(i-e)/Math.max(t.length-1,1)/2;e-=s,i+=s}this._startValue=e,this._endValue=i,this._valueRange=i-e}getLabelForValue(t){return ne(t,this.chart.options.locale,this.options.ticks.format)}}class _o extends bo{static id="linear";static defaults={ticks:{callback:ae.formatters.numeric}};determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?t:0,this.max=a(e)?e:1,this.handleTickRangeOptions()}computeTickLimit(){const t=this.isHorizontal(),e=t?this.width:this.height,i=$(this.options.ticks.minRotation),s=(t?Math.sin(i):Math.cos(i))||.001,n=this._resolveTickFontOptions(0);return Math.ceil(e/Math.min(40,n.lineHeight/s))}getPixelForValue(t){return null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getValueForPixel(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange}}const yo=t=>Math.floor(z(t)),vo=(t,e)=>Math.pow(10,yo(t)+e);function Mo(t){return 1===t/Math.pow(10,yo(t))}function wo(t,e,i){const s=Math.pow(10,i),n=Math.floor(t/s);return Math.ceil(e/s)-n}function ko(t,{min:e,max:i}){e=r(t.min,e);const s=[],n=yo(e);let o=function(t,e){let i=yo(e-t);for(;wo(t,e,i)>10;)i++;for(;wo(t,e,i)<10;)i--;return Math.min(i,yo(t))}(e,i),a=o<0?Math.pow(10,Math.abs(o)):1;const l=Math.pow(10,o),h=n>o?Math.pow(10,n):0,c=Math.round((e-h)*a)/a,d=Math.floor((e-h)/l/10)*l*10;let u=Math.floor((c-d)/Math.pow(10,o)),f=r(t.min,Math.round((h+d+u*Math.pow(10,o))*a)/a);for(;f=10?u=u<15?15:20:u++,u>=20&&(o++,u=2,a=o>=0?1:a),f=Math.round((h+d+u*Math.pow(10,o))*a)/a;const g=r(t.max,f);return s.push({value:g,major:Mo(g),significand:u}),s}class So extends tn{static id="logarithmic";static defaults={ticks:{callback:ae.formatters.logarithmic,major:{enabled:!0}}};constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._valueRange=0}parse(t,e){const i=bo.prototype.parse.apply(this,[t,e]);if(0!==i)return a(i)&&i>0?i:null;this._zero=!0}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?Math.max(0,t):null,this.max=a(e)?Math.max(0,e):null,this.options.beginAtZero&&(this._zero=!0),this._zero&&this.min!==this._suggestedMin&&!a(this._userMin)&&(this.min=t===vo(this.min,0)?vo(this.min,-1):vo(this.min,0)),this.handleTickRangeOptions()}handleTickRangeOptions(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let i=this.min,s=this.max;const n=e=>i=t?i:e,o=t=>s=e?s:t;i===s&&(i<=0?(n(1),o(10)):(n(vo(i,-1)),o(vo(s,1)))),i<=0&&n(vo(s,-1)),s<=0&&o(vo(i,1)),this.min=i,this.max=s}buildTicks(){const t=this.options,e=ko({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&j(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":ne(t,this.chart.options.locale,this.options.ticks.format)}configure(){const t=this.min;super.configure(),this._startValue=z(t),this._valueRange=z(this.max)-z(t)}getPixelForValue(t){return void 0!==t&&0!==t||(t=this.min),null===t||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(z(t)-this._startValue)/this._valueRange)}getValueForPixel(t){const e=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+e*this._valueRange)}}function Po(t){const e=t.ticks;if(e.display&&t.display){const t=ki(e.backdropPadding);return l(e.font&&e.font.size,ue.font.size)+t.height}return 0}function Do(t,e,i,s,n){return t===s||t===n?{start:e-i/2,end:e+i/2}:tn?{start:e-i,end:e}:{start:e,end:e+i}}function Co(t){const e={l:t.left+t._padding.left,r:t.right-t._padding.right,t:t.top+t._padding.top,b:t.bottom-t._padding.bottom},i=Object.assign({},e),s=[],o=[],a=t._pointLabels.length,r=t.options.pointLabels,l=r.centerPointLabels?C/a:0;for(let u=0;ue.r&&(r=(s.end-e.r)/o,t.r=Math.max(t.r,e.r+r)),n.starte.b&&(l=(n.end-e.b)/a,t.b=Math.max(t.b,e.b+l))}function Ao(t,e,i){const s=t.drawingArea,{extra:n,additionalAngle:o,padding:a,size:r}=i,l=t.getPointPosition(e,s+n+a,o),h=Math.round(Y(G(l.angle+E))),c=function(t,e,i){90===i||270===i?t-=e/2:(i>270||i<90)&&(t-=e);return t}(l.y,r.h,h),d=function(t){if(0===t||180===t)return"center";if(t<180)return"left";return"right"}(h),u=function(t,e,i){"right"===i?t-=e:"center"===i&&(t-=e/2);return t}(l.x,r.w,d);return{visible:!0,x:l.x,y:c,textAlign:d,left:u,top:c,right:u+r.w,bottom:c+r.h}}function To(t,e){if(!e)return!0;const{left:i,top:s,right:n,bottom:o}=t;return!(Re({x:i,y:s},e)||Re({x:i,y:o},e)||Re({x:n,y:s},e)||Re({x:n,y:o},e))}function Lo(t,e,i){const{left:n,top:o,right:a,bottom:r}=i,{backdropColor:l}=e;if(!s(l)){const i=wi(e.borderRadius),s=ki(e.backdropPadding);t.fillStyle=l;const h=n-s.left,c=o-s.top,d=a-n+s.width,u=r-o+s.height;Object.values(i).some((t=>0!==t))?(t.beginPath(),He(t,{x:h,y:c,w:d,h:u,radius:i}),t.fill()):t.fillRect(h,c,d,u)}}function Eo(t,e,i,s){const{ctx:n}=t;if(i)n.arc(t.xCenter,t.yCenter,e,0,O);else{let i=t.getPointPosition(0,e);n.moveTo(i.x,i.y);for(let o=1;ot,padding:5,centerPointLabels:!1}};static defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"};static descriptors={angleLines:{_fallback:"grid"}};constructor(t){super(t),this.xCenter=void 0,this.yCenter=void 0,this.drawingArea=void 0,this._pointLabels=[],this._pointLabelItems=[]}setDimensions(){const t=this._padding=ki(Po(this.options)/2),e=this.width=this.maxWidth-t.width,i=this.height=this.maxHeight-t.height;this.xCenter=Math.floor(this.left+e/2+t.left),this.yCenter=Math.floor(this.top+i/2+t.top),this.drawingArea=Math.floor(Math.min(e,i)/2)}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!1);this.min=a(t)&&!isNaN(t)?t:0,this.max=a(e)&&!isNaN(e)?e:0,this.handleTickRangeOptions()}computeTickLimit(){return Math.ceil(this.drawingArea/Po(this.options))}generateTickLabels(t){bo.prototype.generateTickLabels.call(this,t),this._pointLabels=this.getLabels().map(((t,e)=>{const i=d(this.options.pointLabels.callback,[t,e],this);return i||0===i?i:""})).filter(((t,e)=>this.chart.getDataVisibility(e)))}fit(){const t=this.options;t.display&&t.pointLabels.display?Co(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,s){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-s)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,s))}getIndexAngle(t){return G(t*(O/(this._pointLabels.length||1))+$(this.options.startAngle||0))}getDistanceFromCenterForValue(t){if(s(t))return NaN;const e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if(s(t))return NaN;const e=t/(this.drawingArea/(this.max-this.min));return this.options.reverse?this.max-e:this.min+e}getPointLabelContext(t){const e=this._pointLabels||[];if(t>=0&&t=0;n--){const e=t._pointLabelItems[n];if(!e.visible)continue;const o=s.setContext(t.getPointLabelContext(n));Lo(i,o,e);const a=Si(o.font),{x:r,y:l,textAlign:h}=e;Ne(i,t._pointLabels[n],r,l+a.lineHeight/2,a,{color:o.color,textAlign:h,textBaseline:"middle"})}}(this,o),s.display&&this.ticks.forEach(((t,e)=>{if(0!==e||0===e&&this.min<0){r=this.getDistanceFromCenterForValue(t.value);const i=this.getContext(e),a=s.setContext(i),l=n.setContext(i);!function(t,e,i,s,n){const o=t.ctx,a=e.circular,{color:r,lineWidth:l}=e;!a&&!s||!r||!l||i<0||(o.save(),o.strokeStyle=r,o.lineWidth=l,o.setLineDash(n.dash||[]),o.lineDashOffset=n.dashOffset,o.beginPath(),Eo(t,i,a,s),o.closePath(),o.stroke(),o.restore())}(this,a,r,o,l)}})),i.display){for(t.save(),a=o-1;a>=0;a--){const s=i.setContext(this.getPointLabelContext(a)),{color:n,lineWidth:o}=s;o&&n&&(t.lineWidth=o,t.strokeStyle=n,t.setLineDash(s.borderDash),t.lineDashOffset=s.borderDashOffset,r=this.getDistanceFromCenterForValue(e.reverse?this.min:this.max),l=this.getPointPosition(a,r),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(l.x,l.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const t=this.ctx,e=this.options,i=e.ticks;if(!i.display)return;const s=this.getIndexAngle(0);let n,o;t.save(),t.translate(this.xCenter,this.yCenter),t.rotate(s),t.textAlign="center",t.textBaseline="middle",this.ticks.forEach(((s,a)=>{if(0===a&&this.min>=0&&!e.reverse)return;const r=i.setContext(this.getContext(a)),l=Si(r.font);if(n=this.getDistanceFromCenterForValue(this.ticks[a].value),r.showLabelBackdrop){t.font=l.string,o=t.measureText(s.label).width,t.fillStyle=r.backdropColor;const e=ki(r.backdropPadding);t.fillRect(-o/2-e.left,-n-l.size/2-e.top,o+e.width,l.size+e.height)}Ne(t,s.label,0,-n,l,{color:r.color,strokeColor:r.textStrokeColor,strokeWidth:r.textStrokeWidth})})),t.restore()}drawTitle(){}}const Io={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},zo=Object.keys(Io);function Fo(t,e){return t-e}function Vo(t,e){if(s(e))return null;const i=t._adapter,{parser:n,round:o,isoWeekday:r}=t._parseOpts;let l=e;return"function"==typeof n&&(l=n(l)),a(l)||(l="string"==typeof n?i.parse(l,n):i.parse(l)),null===l?null:(o&&(l="week"!==o||!N(r)&&!0!==r?i.startOf(l,o):i.startOf(l,"isoWeek",r)),+l)}function Bo(t,e,i,s){const n=zo.length;for(let o=zo.indexOf(t);o=e?i[s]:i[n]]=!0}}else t[e]=!0}function No(t,e,i){const s=[],n={},o=e.length;let a,r;for(a=0;a=0&&(e[l].major=!0);return e}(t,s,n,i):s}class Ho extends tn{static id="time";static defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",callback:!1,major:{enabled:!1}}};constructor(t){super(t),this._cache={data:[],labels:[],all:[]},this._unit="day",this._majorUnit=void 0,this._offsets={},this._normalized=!1,this._parseOpts=void 0}init(t,e={}){const i=t.time||(t.time={}),s=this._adapter=new In._date(t.adapters.date);s.init(e),b(i.displayFormats,s.formats()),this._parseOpts={parser:i.parser,round:i.round,isoWeekday:i.isoWeekday},super.init(t),this._normalized=e.normalized}parse(t,e){return void 0===t?null:Vo(this,t)}beforeLayout(){super.beforeLayout(),this._cache={data:[],labels:[],all:[]}}determineDataLimits(){const t=this.options,e=this._adapter,i=t.time.unit||"day";let{min:s,max:n,minDefined:o,maxDefined:r}=this.getUserBounds();function l(t){o||isNaN(t.min)||(s=Math.min(s,t.min)),r||isNaN(t.max)||(n=Math.max(n,t.max))}o&&r||(l(this._getLabelBounds()),"ticks"===t.bounds&&"labels"===t.ticks.source||l(this.getMinMax(!1))),s=a(s)&&!isNaN(s)?s:+e.startOf(Date.now(),i),n=a(n)&&!isNaN(n)?n:+e.endOf(Date.now(),i)+1,this.min=Math.min(s,n-1),this.max=Math.max(s+1,n)}_getLabelBounds(){const t=this.getLabelTimestamps();let e=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;return t.length&&(e=t[0],i=t[t.length-1]),{min:e,max:i}}buildTicks(){const t=this.options,e=t.time,i=t.ticks,s="labels"===i.source?this.getLabelTimestamps():this._generate();"ticks"===t.bounds&&s.length&&(this.min=this._userMin||s[0],this.max=this._userMax||s[s.length-1]);const n=this.min,o=nt(s,n,this.max);return this._unit=e.unit||(i.autoSkip?Bo(e.minUnit,this.min,this.max,this._getLabelCapacity(n)):function(t,e,i,s,n){for(let o=zo.length-1;o>=zo.indexOf(i);o--){const i=zo[o];if(Io[i].common&&t._adapter.diff(n,s,i)>=e-1)return i}return zo[i?zo.indexOf(i):0]}(this,o.length,e.minUnit,this.min,this.max)),this._majorUnit=i.major.enabled&&"year"!==this._unit?function(t){for(let e=zo.indexOf(t)+1,i=zo.length;e+t.value)))}initOffsets(t=[]){let e,i,s=0,n=0;this.options.offset&&t.length&&(e=this.getDecimalForValue(t[0]),s=1===t.length?1-e:(this.getDecimalForValue(t[1])-e)/2,i=this.getDecimalForValue(t[t.length-1]),n=1===t.length?i:(i-this.getDecimalForValue(t[t.length-2]))/2);const o=t.length<3?.5:.25;s=Z(s,0,o),n=Z(n,0,o),this._offsets={start:s,end:n,factor:1/(s+1+n)}}_generate(){const t=this._adapter,e=this.min,i=this.max,s=this.options,n=s.time,o=n.unit||Bo(n.minUnit,e,i,this._getLabelCapacity(e)),a=l(s.ticks.stepSize,1),r="week"===o&&n.isoWeekday,h=N(r)||!0===r,c={};let d,u,f=e;if(h&&(f=+t.startOf(f,"isoWeek",r)),f=+t.startOf(f,h?"day":o),t.diff(i,e,o)>1e5*a)throw new Error(e+" and "+i+" are too far apart with stepSize of "+a+" "+o);const g="data"===s.ticks.source&&this.getDataTimestamps();for(d=f,u=0;d+t))}getLabelForValue(t){const e=this._adapter,i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}format(t,e){const i=this.options.time.displayFormats,s=this._unit,n=e||i[s];return this._adapter.format(t,n)}_tickFormatFunction(t,e,i,s){const n=this.options,o=n.ticks.callback;if(o)return d(o,[t,e,i],this);const a=n.time.displayFormats,r=this._unit,l=this._majorUnit,h=r&&a[r],c=l&&a[l],u=i[e],f=l&&c&&u&&u.major;return this._adapter.format(t,s||(f?c:h))}generateTickLabels(t){let e,i,s;for(e=0,i=t.length;e0?a:1}getDataTimestamps(){let t,e,i=this._cache.data||[];if(i.length)return i;const s=this.getMatchingVisibleMetas();if(this._normalized&&s.length)return 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c=t.scales[l.xAxisID];if("linear"!==c.type&&"time"!==c.type)return;if(t.options.parsing)return;let{start:d,count:u}=function(t,e){const i=e.length;let s,n=0;const{iScale:o}=t,{min:a,max:r,minDefined:l,maxDefined:h}=o.getUserBounds();return l&&(n=Z(it(e,o.axis,a).lo,0,i-1)),s=h?Z(it(e,o.axis,r).hi+1,n,i)-n:i-n,{start:n,count:s}}(l,h);if(u<=(i.threshold||4*n))return void Zo(e);let f;switch(s(a)&&(e._data=h,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}})),i.algorithm){case"lttb":f=function(t,e,i,s,n){const o=n.samples||s;if(o>=i)return t.slice(e,e+i);const a=[],r=(i-2)/(o-2);let l=0;const h=e+i-1;let c,d,u,f,g,p=e;for(a[l++]=t[p],c=0;cu&&(u=f,d=t[s],g=s);a[l++]=d,p=g}return a[l++]=t[h],a}(h,d,u,n,i);break;case"min-max":f=function(t,e,i,n){let o,a,r,l,h,c,d,u,f,g,p=0,m=0;const x=[],b=e+i-1,_=t[e].x,y=t[b].x-_;for(o=e;og&&(g=l,d=o),p=(m*p+a.x)/++m;else{const i=o-1;if(!s(c)&&!s(d)){const 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aa(t,e,i){let s=t[e].fill;const n=[e];let o;if(!i)return s;for(;!1!==s&&-1===n.indexOf(s);){if(!a(s))return s;if(o=t[s],!o)return!1;if(o.visible)return s;n.push(s),s=o.fill}return!1}function ra(t,e,i){const s=function(t){const e=t.options,i=e.fill;let s=l(i&&i.target,i);void 0===s&&(s=!!e.backgroundColor);if(!1===s||null===s)return!1;if(!0===s)return"origin";return s}(t);if(o(s))return!isNaN(s.value)&&s;let n=parseFloat(s);return a(n)&&Math.floor(n)===n?function(t,e,i,s){"-"!==t&&"+"!==t||(i=e+i);if(i===e||i<0||i>=s)return!1;return i}(s[0],e,n,i):["origin","start","end","stack","shape"].indexOf(s)>=0&&s}function la(t,e,i){const s=[];for(let n=0;n=0;--e){const i=n[e].$filler;i&&(i.line.updateControlPoints(o,i.axis),s&&i.fill&&ua(t.ctx,i,o))}},beforeDatasetsDraw(t,e,i){if("beforeDatasetsDraw"!==i.drawTime)return;const s=t.getSortedVisibleDatasetMetas();for(let e=s.length-1;e>=0;--e){const i=s[e].$filler;oa(i)&&ua(t.ctx,i,t.chartArea)}},beforeDatasetDraw(t,e,i){const s=e.meta.$filler;oa(s)&&"beforeDatasetDraw"===i.drawTime&&ua(t.ctx,s,t.chartArea)},defaults:{propagate:!0,drawTime:"beforeDatasetDraw"}};const _a=(t,e)=>{let{boxHeight:i=e,boxWidth:s=e}=t;return t.usePointStyle&&(i=Math.min(i,e),s=t.pointStyleWidth||Math.min(s,e)),{boxWidth:s,boxHeight:i,itemHeight:Math.max(e,i)}};class ya extends $s{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const t=this.options.labels||{};let e=d(t.generateLabels,[this.chart],this)||[];t.filter&&(e=e.filter((e=>t.filter(e,this.chart.data)))),t.sort&&(e=e.sort(((e,i)=>t.sort(e,i,this.chart.data)))),this.options.reverse&&e.reverse(),this.legendItems=e}fit(){const{options:t,ctx:e}=this;if(!t.display)return void(this.width=this.height=0);const i=t.labels,s=Si(i.font),n=s.size,o=this._computeTitleHeight(),{boxWidth:a,itemHeight:r}=_a(i,n);let l,h;e.font=s.string,this.isHorizontal()?(l=this.maxWidth,h=this._fitRows(o,n,a,r)+10):(h=this.maxHeight,l=this._fitCols(o,s,a,r)+10),this.width=Math.min(l,t.maxWidth||this.maxWidth),this.height=Math.min(h,t.maxHeight||this.maxHeight)}_fitRows(t,e,i,s){const{ctx:n,maxWidth:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.lineWidths=[0],h=s+a;let c=t;n.textAlign="left",n.textBaseline="middle";let d=-1,u=-h;return this.legendItems.forEach(((t,f)=>{const g=i+e/2+n.measureText(t.text).width;(0===f||l[l.length-1]+g+2*a>o)&&(c+=h,l[l.length-(f>0?0:1)]=0,u+=h,d++),r[f]={left:0,top:u,row:d,width:g,height:s},l[l.length-1]+=g+a})),c}_fitCols(t,e,i,s){const{ctx:n,maxHeight:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.columnSizes=[],h=o-t;let c=a,d=0,u=0,f=0,g=0;return this.legendItems.forEach(((t,o)=>{const{itemWidth:p,itemHeight:m}=function(t,e,i,s,n){const o=function(t,e,i,s){let n=t.text;n&&"string"!=typeof n&&(n=n.reduce(((t,e)=>t.length>e.length?t:e)));return e+i.size/2+s.measureText(n).width}(s,t,e,i),a=function(t,e,i){let s=t;"string"!=typeof e.text&&(s=va(e,i));return s}(n,s,e.lineHeight);return{itemWidth:o,itemHeight:a}}(i,e,n,t,s);o>0&&u+m+2*a>h&&(c+=d+a,l.push({width:d,height:u}),f+=d+a,g++,d=u=0),r[o]={left:f,top:u,col:g,width:p,height:m},d=Math.max(d,p),u+=m+a})),c+=d,l.push({width:d,height:u}),c}adjustHitBoxes(){if(!this.options.display)return;const t=this._computeTitleHeight(),{legendHitBoxes:e,options:{align:i,labels:{padding:s},rtl:n}}=this,o=Oi(n,this.left,this.width);if(this.isHorizontal()){let n=0,a=ft(i,this.left+s,this.right-this.lineWidths[n]);for(const r of e)n!==r.row&&(n=r.row,a=ft(i,this.left+s,this.right-this.lineWidths[n])),r.top+=this.top+t+s,r.left=o.leftForLtr(o.x(a),r.width),a+=r.width+s}else{let n=0,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height);for(const r of e)r.col!==n&&(n=r.col,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height)),r.top=a,r.left+=this.left+s,r.left=o.leftForLtr(o.x(r.left),r.width),a+=r.height+s}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){if(this.options.display){const t=this.ctx;Ie(t,this),this._draw(),ze(t)}}_draw(){const{options:t,columnSizes:e,lineWidths:i,ctx:s}=this,{align:n,labels:o}=t,a=ue.color,r=Oi(t.rtl,this.left,this.width),h=Si(o.font),{padding:c}=o,d=h.size,u=d/2;let f;this.drawTitle(),s.textAlign=r.textAlign("left"),s.textBaseline="middle",s.lineWidth=.5,s.font=h.string;const{boxWidth:g,boxHeight:p,itemHeight:m}=_a(o,d),x=this.isHorizontal(),b=this._computeTitleHeight();f=x?{x:ft(n,this.left+c,this.right-i[0]),y:this.top+c+b,line:0}:{x:this.left+c,y:ft(n,this.top+b+c,this.bottom-e[0].height),line:0},Ai(this.ctx,t.textDirection);const _=m+c;this.legendItems.forEach(((y,v)=>{s.strokeStyle=y.fontColor,s.fillStyle=y.fontColor;const M=s.measureText(y.text).width,w=r.textAlign(y.textAlign||(y.textAlign=o.textAlign)),k=g+u+M;let S=f.x,P=f.y;r.setWidth(this.width),x?v>0&&S+k+c>this.right&&(P=f.y+=_,f.line++,S=f.x=ft(n,this.left+c,this.right-i[f.line])):v>0&&P+_>this.bottom&&(S=f.x=S+e[f.line].width+c,f.line++,P=f.y=ft(n,this.top+b+c,this.bottom-e[f.line].height));if(function(t,e,i){if(isNaN(g)||g<=0||isNaN(p)||p<0)return;s.save();const n=l(i.lineWidth,1);if(s.fillStyle=l(i.fillStyle,a),s.lineCap=l(i.lineCap,"butt"),s.lineDashOffset=l(i.lineDashOffset,0),s.lineJoin=l(i.lineJoin,"miter"),s.lineWidth=n,s.strokeStyle=l(i.strokeStyle,a),s.setLineDash(l(i.lineDash,[])),o.usePointStyle){const a={radius:p*Math.SQRT2/2,pointStyle:i.pointStyle,rotation:i.rotation,borderWidth:n},l=r.xPlus(t,g/2);Ee(s,a,l,e+u,o.pointStyleWidth&&g)}else{const o=e+Math.max((d-p)/2,0),a=r.leftForLtr(t,g),l=wi(i.borderRadius);s.beginPath(),Object.values(l).some((t=>0!==t))?He(s,{x:a,y:o,w:g,h:p,radius:l}):s.rect(a,o,g,p),s.fill(),0!==n&&s.stroke()}s.restore()}(r.x(S),P,y),S=gt(w,S+g+u,x?S+k:this.right,t.rtl),function(t,e,i){Ne(s,i.text,t,e+m/2,h,{strikethrough:i.hidden,textAlign:r.textAlign(i.textAlign)})}(r.x(S),P,y),x)f.x+=k+c;else if("string"!=typeof y.text){const t=h.lineHeight;f.y+=va(y,t)+c}else f.y+=_})),Ti(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=Si(e.font),s=ki(e.padding);if(!e.display)return;const n=Oi(t.rtl,this.left,this.width),o=this.ctx,a=e.position,r=i.size/2,l=s.top+r;let h,c=this.left,d=this.width;if(this.isHorizontal())d=Math.max(...this.lineWidths),h=this.top+l,c=ft(t.align,c,this.right-d);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);h=l+ft(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const 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0),h=ki(l.borderWidth);return{text:e[t.index].label,fillStyle:l.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:l.borderCapStyle,lineDash:l.borderDash,lineDashOffset:l.borderDashOffset,lineJoin:l.borderJoinStyle,lineWidth:(h.width+h.height)/4,strokeStyle:l.borderColor,pointStyle:s||l.pointStyle,rotation:l.rotation,textAlign:n||l.textAlign,borderRadius:a&&(r||l.borderRadius),datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class wa extends $s{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return 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wa({ctx:t.ctx,options:e,chart:t});ls.configure(t,i,e),ls.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;ls.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;ls.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Sa=new WeakMap;var Pa={id:"subtitle",start(t,e,i){const s=new wa({ctx:t.ctx,options:i,chart:t});ls.configure(t,s,i),ls.addBox(t,s),Sa.set(t,s)},stop(t){ls.removeBox(t,Sa.get(t)),Sa.delete(t)},beforeUpdate(t,e,i){const s=Sa.get(t);ls.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Da={average(t){if(!t.length)return!1;let e,i,s=new 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x,b,_,y,v,M,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=Ia(this,m,i),e.fillStyle=i.bodyColor,u(this.beforeBody,p),f=a&&"right"!==m?"center"===o?l/2+h:l+2+h:0,y=0,M=s.length;y0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Da[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Ta(this,t),a=Object.assign({},i,this._size),r=Ea(e,t,a),l=Ra(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}_willRender(){return!!this.opacity}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const o=ki(e.padding),a=this.title.length||this.beforeBody.length||this.body.length||this.afterBody.length||this.footer.length;e.enabled&&a&&(t.save(),t.globalAlpha=i,this.drawBackground(n,t,s,e),Ai(t,e.textDirection),n.y+=o.top,this.drawTitle(n,t,e),this.drawBody(n,t,e),this.drawFooter(n,t,e),Ti(t,e.textDirection),t.restore())}getActiveElements(){return this._active||[]}setActiveElements(t,e){const i=this._active,s=t.map((({datasetIndex:t,index:e})=>{const i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}})),n=!f(i,s),o=this._positionChanged(s,e);(n||o)&&(this._active=s,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;const s=this.options,n=this._active||[],o=this._getActiveElements(t,n,e,i),a=this._positionChanged(o,t),r=e||!f(o,n)||a;return r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e.filter((t=>this.chart.data.datasets[t.datasetIndex]&&void 0!==this.chart.getDatasetMeta(t.datasetIndex).controller.getParsed(t.index)));const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Da[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}var Na={id:"tooltip",_element:Wa,positioners:Da,afterInit(t,e,i){i&&(t.tooltip=new Wa({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip;if(e&&e._willRender()){const i={tooltip:e};if(!1===t.notifyPlugins("beforeTooltipDraw",{...i,cancelable:!0}))return;e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i)}},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:Va},defaultRoutes:{bodyFont:"font",footerFont:"font",titleFont:"font"},descriptors:{_scriptable:t=>"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]};return Tn.register(Un,$o,go,t),Tn.helpers={...Hi},Tn._adapters=In,Tn.Animation=As,Tn.Animations=Ts,Tn.animator=bt,Tn.controllers=nn.controllers.items,Tn.DatasetController=js,Tn.Element=$s,Tn.elements=go,Tn.Interaction=Ki,Tn.layouts=ls,Tn.platforms=Ds,Tn.Scale=tn,Tn.Ticks=ae,Object.assign(Tn,Un,$o,go,t,Ds),Tn.Chart=Tn,"undefined"!=typeof window&&(window.Chart=Tn),Tn})); +//# sourceMappingURL=chart.umd.min.js.map diff --git a/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/vendor/echarts.min.js b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/vendor/echarts.min.js new file mode 100644 index 0000000..3e09d31 --- /dev/null +++ b/src/FilmFinder电影推荐系统/软工课设 - 修改版1/static/vendor/echarts.min.js @@ -0,0 +1,45 @@ + +/* +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. See the NOTICE file +* distributed with this work for additional information +* regarding copyright ownership. The ASF licenses this file +* to you under the Apache License, Version 2.0 (the +* "License"); you may not use this file except in compliance +* with the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, +* software distributed under the License is distributed on an +* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +* KIND, either express or implied. See the License for the +* specific language governing permissions and limitations +* under the License. +*/ + +!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).echarts={})}(this,(function(t){"use strict"; +/*! ***************************************************************************** + Copyright (c) Microsoft Corporation. + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted. + + THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH + REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + PERFORMANCE OF THIS SOFTWARE. + ***************************************************************************** */var e=function(t,n){return e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n])},e(t,n)};function n(t,n){if("function"!=typeof n&&null!==n)throw new TypeError("Class extends value "+String(n)+" is not a constructor or null");function i(){this.constructor=t}e(t,n),t.prototype=null===n?Object.create(n):(i.prototype=n.prototype,new i)}var i=function(){this.firefox=!1,this.ie=!1,this.edge=!1,this.newEdge=!1,this.weChat=!1},r=new function(){this.browser=new 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e=t.length;this.data&&this.data.length===e||!es||(this.data=new Float32Array(e));for(var n=0;nu.length&&(this._expandData(),u=this.data);for(var h=0;h0&&(this._ctx&&this._ctx.lineTo(this._pendingPtX,this._pendingPtY),this._pendingPtDist=0)},t.prototype._expandData=function(){if(!(this.data instanceof Array)){for(var t=[],e=0;e11&&(this.data=new Float32Array(t)))}},t.prototype.getBoundingRect=function(){Ya[0]=Ya[1]=Ua[0]=Ua[1]=Number.MAX_VALUE,Xa[0]=Xa[1]=Za[0]=Za[1]=-Number.MAX_VALUE;var t,e=this.data,n=0,i=0,r=0,o=0;for(t=0;tn||Ja(y)>i||c===e-1)&&(f=Math.sqrt(A*A+y*y),r=g,o=x);break;case Ga.C:var v=t[c++],m=t[c++],x=(g=t[c++],t[c++]),_=t[c++],b=t[c++];f=Mn(r,o,v,m,g,x,_,b,10),r=_,o=b;break;case Ga.Q:f=kn(r,o,v=t[c++],m=t[c++],g=t[c++],x=t[c++],10),r=g,o=x;break;case Ga.A:var w=t[c++],S=t[c++],M=t[c++],I=t[c++],T=t[c++],C=t[c++],D=C+T;c+=1;t[c++];d&&(a=Ka(T)*M+w,s=$a(T)*I+S),f=qa(M,I)*ja(ts,Math.abs(C)),r=Ka(D)*M+w,o=$a(D)*I+S;break;case Ga.R:a=r=t[c++],s=o=t[c++],f=2*t[c++]+2*t[c++];break;case Ga.Z:var A=a-r;y=s-o;f=Math.sqrt(A*A+y*y),r=a,o=s}f>=0&&(l[h++]=f,u+=f)}return this._pathLen=u,u},t.prototype.rebuildPath=function(t,e){var n,i,r,o,a,s,l,u,h,c,p=this.data,d=this._ux,f=this._uy,g=this._len,y=e<1,v=0,m=0,x=0;if(!y||(this._pathSegLen||this._calculateLength(),l=this._pathSegLen,u=e*this._pathLen))t:for(var _=0;_0&&(t.lineTo(h,c),x=0),b){case Ga.M:n=r=p[_++],i=o=p[_++],t.moveTo(r,o);break;case Ga.L:a=p[_++],s=p[_++];var S=Ja(a-r),M=Ja(s-o);if(S>d||M>f){if(y){if(v+(j=l[m++])>u){var I=(u-v)/j;t.lineTo(r*(1-I)+a*I,o*(1-I)+s*I);break t}v+=j}t.lineTo(a,s),r=a,o=s,x=0}else{var T=S*S+M*M;T>x&&(h=a,c=s,x=T)}break;case Ga.C:var C=p[_++],D=p[_++],A=p[_++],k=p[_++],L=p[_++],P=p[_++];if(y){if(v+(j=l[m++])>u){wn(r,C,A,L,I=(u-v)/j,Wa),wn(o,D,k,P,I,Ha),t.bezierCurveTo(Wa[1],Ha[1],Wa[2],Ha[2],Wa[3],Ha[3]);break t}v+=j}t.bezierCurveTo(C,D,A,k,L,P),r=L,o=P;break;case Ga.Q:C=p[_++],D=p[_++],A=p[_++],k=p[_++];if(y){if(v+(j=l[m++])>u){Dn(r,C,A,I=(u-v)/j,Wa),Dn(o,D,k,I,Ha),t.quadraticCurveTo(Wa[1],Ha[1],Wa[2],Ha[2]);break t}v+=j}t.quadraticCurveTo(C,D,A,k),r=A,o=k;break;case Ga.A:var O=p[_++],R=p[_++],N=p[_++],E=p[_++],z=p[_++],V=p[_++],B=p[_++],F=!p[_++],G=N>E?N:E,W=Ja(N-E)>.001,H=z+V,Y=!1;if(y)v+(j=l[m++])>u&&(H=z+V*(u-v)/j,Y=!0),v+=j;if(W&&t.ellipse?t.ellipse(O,R,N,E,B,z,H,F):t.arc(O,R,G,z,H,F),Y)break t;w&&(n=Ka(z)*N+O,i=$a(z)*E+R),r=Ka(H)*N+O,o=$a(H)*E+R;break;case Ga.R:n=r=p[_],i=o=p[_+1],a=p[_++],s=p[_++];var X=p[_++],U=p[_++];if(y){if(v+(j=l[m++])>u){var Z=u-v;t.moveTo(a,s),t.lineTo(a+ja(Z,X),s),(Z-=X)>0&&t.lineTo(a+X,s+ja(Z,U)),(Z-=U)>0&&t.lineTo(a+qa(X-Z,0),s+U),(Z-=X)>0&&t.lineTo(a,s+qa(U-Z,0));break t}v+=j}t.rect(a,s,X,U);break;case Ga.Z:if(y){var j;if(v+(j=l[m++])>u){I=(u-v)/j;t.lineTo(r*(1-I)+n*I,o*(1-I)+i*I);break t}v+=j}t.closePath(),r=n,o=i}}},t.prototype.clone=function(){var e=new t,n=this.data;return e.data=n.slice?n.slice():Array.prototype.slice.call(n),e._len=this._len,e},t.CMD=Ga,t.initDefaultProps=function(){var e=t.prototype;e._saveData=!0,e._ux=0,e._uy=0,e._pendingPtDist=0,e._version=0}(),t}();function as(t,e,n,i,r,o,a){if(0===r)return!1;var s=r,l=0;if(a>e+s&&a>i+s||at+s&&o>n+s||oe+c&&h>i+c&&h>o+c&&h>s+c||ht+c&&u>n+c&&u>r+c&&u>a+c||ue+u&&l>i+u&&l>o+u||lt+u&&s>n+u&&s>r+u||sn||h+ur&&(r+=cs);var p=Math.atan2(l,s);return p<0&&(p+=cs),p>=i&&p<=r||p+cs>=i&&p+cs<=r}function ds(t,e,n,i,r,o){if(o>e&&o>i||or?s:0}var fs=os.CMD,gs=2*Math.PI;var ys=[-1,-1,-1],vs=[-1,-1];function ms(t,e,n,i,r,o,a,s,l,u){if(u>e&&u>i&&u>o&&u>s||u1&&(h=void 0,h=vs[0],vs[0]=vs[1],vs[1]=h),f=mn(e,i,o,s,vs[0]),d>1&&(g=mn(e,i,o,s,vs[1]))),2===d?ve&&s>i&&s>o||s=0&&h<=1&&(r[l++]=h);else{var u=a*a-4*o*s;if(yn(u))(h=-a/(2*o))>=0&&h<=1&&(r[l++]=h);else if(u>0){var h,c=ln(u),p=(-a-c)/(2*o);(h=(-a+c)/(2*o))>=0&&h<=1&&(r[l++]=h),p>=0&&p<=1&&(r[l++]=p)}}return l}(e,i,o,s,ys);if(0===l)return 0;var u=Cn(e,i,o);if(u>=0&&u<=1){for(var h=0,c=In(e,i,o,u),p=0;pn||s<-n)return 0;var l=Math.sqrt(n*n-s*s);ys[0]=-l,ys[1]=l;var u=Math.abs(i-r);if(u<1e-4)return 0;if(u>=gs-1e-4){i=0,r=gs;var h=o?1:-1;return a>=ys[0]+t&&a<=ys[1]+t?h:0}if(i>r){var c=i;i=r,r=c}i<0&&(i+=gs,r+=gs);for(var p=0,d=0;d<2;d++){var f=ys[d];if(f+t>a){var g=Math.atan2(s,f);h=o?1:-1;g<0&&(g=gs+g),(g>=i&&g<=r||g+gs>=i&&g+gs<=r)&&(g>Math.PI/2&&g<1.5*Math.PI&&(h=-h),p+=h)}}return p}function bs(t,e,n,i,r){for(var o,a,s,l,u=t.data,h=t.len(),c=0,p=0,d=0,f=0,g=0,y=0;y1&&(n||(c+=ds(p,d,f,g,i,r))),m&&(f=p=u[y],g=d=u[y+1]),v){case fs.M:p=f=u[y++],d=g=u[y++];break;case fs.L:if(n){if(as(p,d,u[y],u[y+1],e,i,r))return!0}else c+=ds(p,d,u[y],u[y+1],i,r)||0;p=u[y++],d=u[y++];break;case fs.C:if(n){if(ss(p,d,u[y++],u[y++],u[y++],u[y++],u[y],u[y+1],e,i,r))return!0}else c+=ms(p,d,u[y++],u[y++],u[y++],u[y++],u[y],u[y+1],i,r)||0;p=u[y++],d=u[y++];break;case fs.Q:if(n){if(ls(p,d,u[y++],u[y++],u[y],u[y+1],e,i,r))return!0}else c+=xs(p,d,u[y++],u[y++],u[y],u[y+1],i,r)||0;p=u[y++],d=u[y++];break;case fs.A:var x=u[y++],_=u[y++],b=u[y++],w=u[y++],S=u[y++],M=u[y++];y+=1;var I=!!(1-u[y++]);o=Math.cos(S)*b+x,a=Math.sin(S)*w+_,m?(f=o,g=a):c+=ds(p,d,o,a,i,r);var T=(i-x)*w/b+x;if(n){if(ps(x,_,w,S,S+M,I,e,T,r))return!0}else c+=_s(x,_,w,S,S+M,I,T,r);p=Math.cos(S+M)*b+x,d=Math.sin(S+M)*w+_;break;case fs.R:if(f=p=u[y++],g=d=u[y++],o=f+u[y++],a=g+u[y++],n){if(as(f,g,o,g,e,i,r)||as(o,g,o,a,e,i,r)||as(o,a,f,a,e,i,r)||as(f,a,f,g,e,i,r))return!0}else c+=ds(o,g,o,a,i,r),c+=ds(f,a,f,g,i,r);break;case fs.Z:if(n){if(as(p,d,f,g,e,i,r))return!0}else c+=ds(p,d,f,g,i,r);p=f,d=g}}return n||(s=d,l=g,Math.abs(s-l)<1e-4)||(c+=ds(p,d,f,g,i,r)||0),0!==c}var ws=k({fill:"#000",stroke:null,strokePercent:1,fillOpacity:1,strokeOpacity:1,lineDashOffset:0,lineWidth:1,lineCap:"butt",miterLimit:10,strokeNoScale:!1,strokeFirst:!1},xa),Ss={style:k({fill:!0,stroke:!0,strokePercent:!0,fillOpacity:!0,strokeOpacity:!0,lineDashOffset:!0,lineWidth:!0,miterLimit:!0},_a.style)},Ms=yr.concat(["invisible","culling","z","z2","zlevel","parent"]),Is=function(t){function e(e){return t.call(this,e)||this}var i;return n(e,t),e.prototype.update=function(){var n=this;t.prototype.update.call(this);var i=this.style;if(i.decal){var r=this._decalEl=this._decalEl||new e;r.buildPath===e.prototype.buildPath&&(r.buildPath=function(t){n.buildPath(t,n.shape)}),r.silent=!0;var o=r.style;for(var a in i)o[a]!==i[a]&&(o[a]=i[a]);o.fill=i.fill?i.decal:null,o.decal=null,o.shadowColor=null,i.strokeFirst&&(o.stroke=null);for(var s=0;s.5?ar:e>.2?"#eee":sr}if(t)return sr}return ar},e.prototype.getInsideTextStroke=function(t){var e=this.style.fill;if(U(e)){var 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a=e.strokeNoScale?this.getLineScale():1,s=e.lineWidth;if(!this.hasFill()){var l=this.strokeContainThreshold;s=Math.max(s,null==l?4:l)}a>1e-10&&(o.width+=s/a,o.height+=s/a,o.x-=s/a/2,o.y-=s/a/2)}return o}return t},e.prototype.contain=function(t,e){var n=this.transformCoordToLocal(t,e),i=this.getBoundingRect(),r=this.style;if(t=n[0],e=n[1],i.contain(t,e)){var o=this.path;if(this.hasStroke()){var a=r.lineWidth,s=r.strokeNoScale?this.getLineScale():1;if(s>1e-10&&(this.hasFill()||(a=Math.max(a,this.strokeContainThreshold)),function(t,e,n,i){return bs(t,e,!0,n,i)}(o,a/s,t,e)))return!0}if(this.hasFill())return function(t,e,n){return bs(t,0,!1,e,n)}(o,t,e)}return!1},e.prototype.dirtyShape=function(){this.__dirty|=4,this._rect&&(this._rect=null),this._decalEl&&this._decalEl.dirtyShape(),this.markRedraw()},e.prototype.dirty=function(){this.dirtyStyle(),this.dirtyShape()},e.prototype.animateShape=function(t){return 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n=t[e];n&&n[Eg]&&(n.clear&&n.clear(),t[e]=n[Eg])}var Wg=Oo(),Hg={itemStyle:Jo(bc,!0),lineStyle:Jo(mc,!0)},Yg={lineStyle:"stroke",itemStyle:"fill"};function Xg(t,e){var n=t.visualStyleMapper||Hg[e];return n||(console.warn("Unknown style type '"+e+"'."),Hg.itemStyle)}function Ug(t,e){var n=t.visualDrawType||Yg[e];return n||(console.warn("Unknown style type '"+e+"'."),"fill")}var Zg={createOnAllSeries:!0,performRawSeries:!0,reset:function(t,e){var n=t.getData(),i=t.visualStyleAccessPath||"itemStyle",r=t.getModel(i),o=Xg(t,i)(r),a=r.getShallow("decal");a&&(n.setVisual("decal",a),a.dirty=!0);var s=Ug(t,i),l=o[s],u=X(l)?l:null,h="auto"===o.fill||"auto"===o.stroke;if(!o[s]||u||h){var c=t.getColorFromPalette(t.name,null,e.getSeriesCount());o[s]||(o[s]=c,n.setVisual("colorFromPalette",!0)),o.fill="auto"===o.fill||X(o.fill)?c:o.fill,o.stroke="auto"===o.stroke||X(o.stroke)?c:o.stroke}if(n.setVisual("style",o),n.setVisual("drawType",s),!e.isSeriesFiltered(t)&&u)return 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n=e.getRawData(),i={},r=e.getData(),o=Wg(e).scope,a=e.visualStyleAccessPath||"itemStyle",s=Ug(e,a);r.each((function(t){var e=r.getRawIndex(t);i[e]=t})),n.each((function(t){var a=i[t];if(r.getItemVisual(a,"colorFromPalette")){var l=r.ensureUniqueItemVisual(a,"style"),u=n.getName(t)||t+"",h=n.count();l[s]=e.getColorFromPalette(u,o,h)}}))}}))}},$g=Math.PI;var Jg=function(){function t(t,e,n,i){this._stageTaskMap=yt(),this.ecInstance=t,this.api=e,n=this._dataProcessorHandlers=n.slice(),i=this._visualHandlers=i.slice(),this._allHandlers=n.concat(i)}return t.prototype.restoreData=function(t,e){t.restoreData(e),this._stageTaskMap.each((function(t){var e=t.overallTask;e&&e.dirty()}))},t.prototype.getPerformArgs=function(t,e){if(t.__pipeline){var n=this._pipelineMap.get(t.__pipeline.id),i=n.context,r=!e&&n.progressiveEnabled&&(!i||i.progressiveRender)&&t.__idxInPipeline>n.blockIndex?n.step:null,o=i&&i.modDataCount;return{step:r,modBy:null!=o?Math.ceil(o/r):null,modDataCount:o}}},t.prototype.getPipeline=function(t){return this._pipelineMap.get(t)},t.prototype.updateStreamModes=function(t,e){var n=this._pipelineMap.get(t.uid),i=t.getData().count(),r=n.progressiveEnabled&&e.incrementalPrepareRender&&i>=n.threshold,o=t.get("large")&&i>=t.get("largeThreshold"),a="mod"===t.get("progressiveChunkMode")?i:null;t.pipelineContext=n.context={progressiveRender:r,modDataCount:a,large:o}},t.prototype.restorePipelines=function(t){var e=this,n=e._pipelineMap=yt();t.eachSeries((function(t){var i=t.getProgressive(),r=t.uid;n.set(r,{id:r,head:null,tail:null,threshold:t.getProgressiveThreshold(),progressiveEnabled:i&&!(t.preventIncremental&&t.preventIncremental()),blockIndex:-1,step:Math.round(i||700),count:0}),e._pipe(t,t.dataTask)}))},t.prototype.prepareStageTasks=function(){var t=this._stageTaskMap,e=this.api.getModel(),n=this.api;E(this._allHandlers,(function(i){var r=t.get(i.uid)||t.set(i.uid,{}),o="";lt(!(i.reset&&i.overallReset),o),i.reset&&this._createSeriesStageTask(i,r,e,n),i.overallReset&&this._createOverallStageTask(i,r,e,n)}),this)},t.prototype.prepareView=function(t,e,n,i){var r=t.renderTask,o=r.context;o.model=e,o.ecModel=n,o.api=i,r.__block=!t.incrementalPrepareRender,this._pipe(e,r)},t.prototype.performDataProcessorTasks=function(t,e){this._performStageTasks(this._dataProcessorHandlers,t,e,{block:!0})},t.prototype.performVisualTasks=function(t,e,n){this._performStageTasks(this._visualHandlers,t,e,n)},t.prototype._performStageTasks=function(t,e,n,i){i=i||{};var 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e.getRenderedCanvas({backgroundColor:t.backgroundColor||this._model.get("backgroundColor"),pixelRatio:t.pixelRatio||this.getDevicePixelRatio()})},e.prototype.renderToSVGString=function(t){t=t||{};var e=this._zr.painter;return e.renderToString({useViewBox:t.useViewBox})},e.prototype.getSvgDataURL=function(){if(r.svgSupported){var t=this._zr;return E(t.storage.getDisplayList(),(function(t){t.stopAnimation(null,!0)})),t.painter.toDataURL()}},e.prototype.getDataURL=function(t){if(!this._disposed){var e=(t=t||{}).excludeComponents,n=this._model,i=[],r=this;E(e,(function(t){n.eachComponent({mainType:t},(function(t){var e=r._componentsMap[t.__viewId];e.group.ignore||(i.push(e),e.group.ignore=!0)}))}));var o="svg"===this._zr.painter.getType()?this.getSvgDataURL():this.renderToCanvas(t).toDataURL("image/"+(t&&t.type||"png"));return E(i,(function(t){t.group.ignore=!1})),o}nm(this.id)},e.prototype.getConnectedDataURL=function(t){if(!this._disposed){var 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一次性添加多部电影到您的数据库
暂无电影,请先添加
您可以使用以下JSON格式批量导入电影数据: