From b21a6a75052b32bb26bbde53cd201f5f98a1ba48 Mon Sep 17 00:00:00 2001
From: pw4izm9rs <2764851313@qq.com>
Date: Tue, 17 Sep 2024 23:55:53 +0800
Subject: [PATCH] ADD file via upload

---
 get_danmu.py | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 get_danmu.py

diff --git a/get_danmu.py b/get_danmu.py
new file mode 100644
index 0000000..37a13de
--- /dev/null
+++ b/get_danmu.py
@@ -0,0 +1,78 @@
+import requests
+import re
+
+count = 0
+
+def get_page_url(n):
+    """
+    此函数用于获取页面的url
+    n代表获取的页数
+    返回一个存储各页面url的列表
+    """
+    page_url_list = []  # 存储页面网址的列表
+    for i in range(n):
+        if i == 0:
+            page_url = "https://search.bilibili.com/all?keyword=2024%E5%B7%B4%E9%BB%8E%E5%A5%A5%E8%BF%90%E4%BC%9A&from_source=webtop_search&spm_id_from=333.1007&search_source=5"
+            page_url_list.append(page_url)
+            i += 1
+        else:
+            page_url = f"https://search.bilibili.com/all?keyword=2024%E5%B7%B4%E9%BB%8E%E5%A5%A5%E8%BF%90%E4%BC%9A&from_source=webtop_search&spm_id_from=333.1007&search_source=5&page={i + 1}&o={i * 36}"
+            page_url_list.append(page_url)
+            i += 1
+    return page_url_list
+
+# 设置请求头。为了应对B站的反爬虫，我们需要伪装成浏览器进行请求
+header = {"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0"}
+
+def get_cid(page_url_list):
+    """
+    本函数用于获取各个页面视频的cid
+    返回存储综合排序前300的视频的cid的列表
+    """
+    global count
+    cid_list = [] # 存储cid的列表
+    for page_url in page_url_list:
+        if count >= 300:
+            break
+        else:
+            response = requests.get(url = page_url,headers = header)
+            response.encoding = 'utf-8'
+            data = response.text
+            content = re.findall('"//www.bilibili.com/video/(.*?)/"',data)
+            content = set(content)
+            content = list(content)
+            for bvid in content:
+                url = f"https://api.bilibili.com/x/player/pagelist?bvid={bvid}&jsonp=jsonp"
+                response = requests.get(url=url, headers=header)
+                response.encoding = 'utf-8'
+                data = response.text
+                content = re.findall('{"cid":(.*?),', data)
+                cid_list.append(content[0])
+                count += 1
+                if count >= 300:
+                    break
+
+    return cid_list
+
+
+def get_danmu(cid_list):
+    """
+    本函数用于获取弹幕
+    """
+    danmu_list = []
+    for cid in cid_list:
+        url = f"https://comment.bilibili.com/{cid}.xml"
+        response = requests.get(url=url, headers=header)
+        response.encoding = 'utf-8'
+        data = response.text
+        content = re.findall('<d p=".*?">(.*?)</d>', data)
+        danmu_list.extend(content)
+    return danmu_list
+
+
+
+cid_list = get_cid(get_page_url(10))
+danmu_list = get_danmu(cid_list)
+for danmu in danmu_list:  # 遍历弹幕
+    with open('弹幕.txt', 'a', encoding='utf-8') as f:  # 打开文件准备写入
+        f.write(danmu + '\n')  # 写入弹幕