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import requests
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import re
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#一、首先定义获取弹幕huqudanmu函数
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def huoqudanmu(cid):
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url=f'https://api.bilibili.com/x/v1/dm/list.so?oid={cid}'#通过cid值获取对应视频的弹幕
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Hddf = {
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"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"
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}
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resp= requests.get(url,headers=Hddf)#从网址获取弹幕
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resp.encoding="utf-8"#弹幕中文编码
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Data=resp.text#提取text文本
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context=re.findall('<d p=.*?>(.*?)</d>',Data)#提取弹幕文本
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print(context)
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for index in context:
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with open('总弹幕.txt',mode='a',encoding='utf-8')as f:
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f.write(index)#写入text文件
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f.write('\n')
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#二、获取所需弹幕地址
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headers0={
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"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"
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}#请求头
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for page0 in range(1,11):#从搜索的十页获取网址，一页30个视频
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if page0==1 :
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url="https://search.bilibili.com/all?vt=93020172&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"
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else:
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url=f"https://search.bilibili.com/all?vt=93020172&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={page0}"
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res0=requests.get(url,headers=headers0)#获取网页数据
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Text0=res0.text
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bvid=re.findall('bvid:"(.*?)",title:',Text0)#获取视频bvid号
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for bvid1 in bvid:#
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url=f"https://www.bilibili.com/video/{bvid1.strip()}/?spm_id_from=333.337.search-card.all.click&vd_source=516714ff716c382225c801afa2c87d8d"
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res0=requests.get(url,headers=headers0)#获取视频数据
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Text0=res0.text
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oid=re.findall('"embedPlayer":{"p":.*?,"aid":.*?,"bvid":".*?","cid":(.*?),',Text0)#获取oid值(多余空格去除，不然匹配不到)
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for oid1 in oid:#提取oid值
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huoqudanmu(oid1)#调用获取弹幕的函数
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#三、生成词云图
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import jieba
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import wordcloud
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import imageio
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#1.读取弹幕数据
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f =open("总弹幕.txt",encoding='utf-8')
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text =f.read()
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#2.分词
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text_list=jieba.lcut(text)
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text_str=' '.join(text_list)
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#3.词云图
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f2=open("中文常见停用词.text",encoding='utf-8')
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text2=f2.read().splitlines()#读取弹幕
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img= imageio.v2.imread('地球.png')#导入词云形状的图片
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wc=wordcloud.WordCloud(#设置词云格式
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width=1160,#宽
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height=800,#高
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background_color='white',#背景颜色
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mask=img,#云图样式
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stopwords=text2,#禁用词
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font_path='msyh.ttc'#字体
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)
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wc.generate(text_str)
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wc.to_file('词云图.png')
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