# -*- 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()
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()
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()
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())
