python爬虫笔记（四）网络爬虫之提取—Beautiful Soup库

1. Beautiful Soup安装

pip install beautifulsoup

linux要用 pip3 

2. 使用

使用这个网站：https://python123.io/ws/demo.html

# -*- coding: utf-8 -*-
"""
Created on Tue Jan 21 21:29:56 2020

@author: douzi
"""

import requests
from bs4 import BeautifulSoup

r = requests.get("http://python123.io/ws/demo.html")
print(r.text)

demo = r.text

soup = BeautifulSoup(demo, "html.parser")
print(soup.prettify())

来源：https://www.cnblogs.com/douzujun/p/12227172.html