# pip install beautifulsoup4 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> """ # 1.转类型 # 默认bs4会 调用你系统中lxml的解析库 警告提示 # 主动设置 bs4的解析库 soup = BeautifulSoup(html_doc, ‘lxml‘) # 2.格式化输出 补全 result = soup.prettify() print(result)
原文：https://www.cnblogs.com/hankleo/p/10626377.html