beautifulsoup 解析网页内容_头歌beautifulsoup网页解析-优快云博客

# coding:utf-8
from bs4 import BeautifulSoup
import re


html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>

<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>

<p class="story">...</p>
"""
soup = BeautifulSoup(html_doc, 'html.parser', from_encoding='utf-8')
print '获取所有链接'
links = soup.find_all('a')
for link in links:
   print link.name, link['id'], link.get_text()

print '正则匹配，匹配包含ill的网页'
link = soup.find('a', href=re.compile(r'ill'))
print link.name, link['href'], link.get_text()

print '完整匹配'
link = soup.find('a', href='http://example.com/tillie')
print link.name, link['href'], link.get_text()

print 'class下面要加下划线'
link = soup.find('p', class_='title')
print link.name, link.get_text()