使用 Beautiful Soup 解析 html 文件

wangjuju123

2018-10-30 阅读量: 897

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import re
from bs4
import BeautifulSoup
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> 
"""

#创建一个BeautifulSoup解析对象
soup = BeautifulSoup(html_doc,"html.parser",from_encoding="utf-8")
#获取所有的链接
links = soup.find_all('a')
print "所有的链接"
for link in links:     
    print link.name,link['href'],link.get_text()

print "获取特定的URL地址"
link_node = soup.find('a',href="http://example.com/elsie")
print link_node.name,link_node['href'],link_node['class'],link_node.get_text()

print "正则表达式匹配"
link_node = soup.find('a',href=re.compile(r"ti"))
print link_node.name,link_node['href'],link_node['class'],link_node.get_text()
print "获取P段落的文字"p_node = soup.find('p',class_='story')
print p_node.name,p_node['class'],p_node.get_text()

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