BeautifulSoup库的安装
Pip install BeautifulSoup4 (anaconda第三方库中已安装BeautifulSoup库)
测试
1 """BeautifulSoup安装测试""" 2 3 4 import requests 5 from bs4 import BeautifulSoup 6 7 url = "https://python123.io/ws/demo.html" 8 r = requests.get(url) 9 demo = r.text 10 soup = BeautifulSoup(demo, "html.parser") 11 print(soup.prettify())
输出:
<html> <head> <title> This is a python demo page </title> </head> <body> <p class="title"> <b> The demo python introduces several python courses. </b> </p> <p class="course"> Python is a wonderful general-purpose programming language. You can learn Python from novice to professional by tracking the following courses: <a class="py1" href="http://www.icourse163.org/course/BIT-268001" id="link1"> Basic Python </a> and <a class="py2" href="http://www.icourse163.org/course/BIT-1001870001" id="link2"> Advanced Python </a> . </p> </body> </html>