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：