Python爬虫b站视频弹幕并生成词云图分析

爬虫：requests，beautifulsoup

词云：wordcloud，jieba

代码加注释：

 # -*- coding: utf-8 -*-
 import xlrd#读取excel
 import xlwt#写入excel
 import requests
 import linecache
 import wordcloud
 import jieba
 import matplotlib.pyplot as plt
 from bs4 import BeautifulSoup

 if __name__=="__main__":
     yun=""

     n=0#ID编号
     target='https://api.bilibili.com/x/v1/dm/list.so?oid=132084205'#b站oid页
     user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36'
     headers = {'User-Agent':user_agent}#伪装浏览器

     req=requests.get(url=target)
     html=req.text
     html=html.encode('ISO 8859-1')
     #html=html.replace('<br>',' ').replace('<br/>',' ').replace('/>','>')
     bf=BeautifulSoup(html,"html.parser")   

     texts=bf.find('i')
     texts_div=texts.find_all('d')
     #print(texts_div)
     for item in texts_div:
         n=n+1
         item_name=item.text#标题
         yun+=str(item_name)

     yun=yun.replace(" ","")
     yun=yun.replace("哈","")
     yun=yun.replace("啊","")
     yun=yun.replace("一","")#去除无意义弹幕
     # 结巴分词，生成字符串，wordcloud无法直接生成正确的中文词云
     cut_text = " ".join(jieba.cut(yun))
     wc = wordcloud.WordCloud(
     #设置字体，不然会出现口字乱码，文字的路径是电脑的字体一般路径，可以换成别的
     font_path="C:/Windows/Fonts/simfang.ttf",
     #设置了背景，宽高
     background_color="white",width=1000,height=880).generate(cut_text)

     plt.imshow(wc, interpolation="bilinear")
     plt.axis("off")
     plt.show()
     print("Done!")

运行结果图：