LGT521的博客

python BeautifulSoup html解析 import requests from bs4 import BeautifulSoup url=input("请输入：") #http://python123.io/ws/demo.html r=requests.get(url) demo=r.text #将r.text赋给demo soup=BeautifulSoup(demo,"html.parser") #用 html.parser解析器解析demo(即 r.text),赋给soup pri