BeautifulSoup 对象方法

最新推荐文章于 2025-02-03 20:57:51 发布

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本文介绍如何使用Python的BeautifulSoup库解析HTML文档，并演示了基本的HTML元素操作，包括获取文档结构、查找特定元素、修改元素属性等。

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from bs4 import BeautifulSoup,Tag,CData
import re
doc = ['<html><head><title>Page title</title></head>',
       '<body><p id="firstpara" align="center">This is paragraph <b>one</b>.</p>',
       '<p id="secondpara" align="blah">This is paragraph <b>two</b>.</p>',
       '</body></html>']

soup = BeautifulSoup(''.join(doc))

print(soup.prettify)

print(soup.contents[0].name)

print(soup.contents[0].contents[0].name)

print(soup.contents[0].contents[0].contents[0].string)

head = soup.contents[0].contents[0]

print(head.parent.name)

print(head.next)

print(head.nextSibling.name)

print(head.nextSibling.contents[0])

print(head.nextSibling.contents[0])
      
print(soup.findAll('p', align="center"))
print(soup.find('p', align="center"))

print(soup('p', align ="center")[0]['id'])

print(soup.find('p').b.string)
print(soup('p')[1].b.string)

titleTag = soup.html.head.title
titleTag['id'] = 'theTitle'
print(titleTag)
titleTag.contents[0].replaceWith("new title")

soup.p.replaceWith(soup.b)
print(soup.prettify)

soup.body.insert(0, "this page used to have")