Python3用eclipse编写本节课编码，顺利完成
# -*- coding: gb2312 -*-
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') # 创建对象
print('--------------获取所有的链接----------------') # 提取出所有的连接
links = soup.find_all('a')
for link in links:
print(link.name, link['href'],link.get_text() )
print('-------------------------------------获取lacie的链接------------------------------')
link_node = soup.find('a', href='http://example.com/lacie')
print(link_node.name, link_node['href'],link_node.get_text())
print('-----------------------------------------模糊匹配/正则匹配--------------------------------------')
link_node = soup.find('a', href=re.compile(r"ill"))
print(link_node.name, link_node['href'],link_node.get_text)
print('----------------------------------获取p段落文字----------------------------------------------')
p_node = soup.find("p", class_ = "title")
print(p_node.name, p_node.get_text())
