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python用BeautifulSoup抓取div标签的实例教程

零下一度asal: 2017-06-01 10:23:211794semak imbas

这篇文章主要介绍了python 3利用BeautifulSoup抓取p标签的方法，文中给出了详细的示例代码供大家参考学习，对大家具有一定的参考学习价值，需要的朋友们下面来一起看看吧。

前言

本文主要介绍的是关于python 3用BeautifulSoup抓取p标签的方法示例，分享出来供大家参考学习，下面来看看详细的介绍：

示例代码：

# -*- coding:utf-8 -*-
#python 2.7
#XiaoDeng
#http://tieba.baidu.com/p/2460150866
#标签操作


from bs4 import BeautifulSoup
import urllib.request
import re


#如果是网址，可以用这个办法来读取网页
#html_doc = "http://tieba.baidu.com/p/2460150866"
#req = urllib.request.Request(html_doc) 
#webpage = urllib.request.urlopen(req) 
#html = webpage.read()


html="""
<html><head><title>The Dormouse&#39;s story</title></head>
<body>
<p class="title" name="dromouse"><b>The Dormouse&#39;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" rel="external nofollow" class="sister" id="xiaodeng"><!-- Elsie --></a>,
<a href="http://example.com/lacie" rel="external nofollow" rel="external nofollow" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" rel="external nofollow" class="sister" id="link3">Tillie</a>;
<a href="http://example.com/lacie" rel="external nofollow" rel="external nofollow" class="sister" id="xiaodeng">Lacie</a>
and they lived at the bottom of a well.</p>
<p class="ntopbar_loading"><img src="http://simg.sinajs.cn/blog7style/images/common/loading.gif">加载中…</p>

<p class="SG_connHead">
   <span class="title" comp_title="个人资料">个人资料</span>
   <span class="edit">
      </span>
<p class="info_list">  
         <ul class="info_list1">
     <li><span class="SG_txtc">博客等级：</span><span id="comp_901_grade"><img src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src="http://simg.sinajs.cn/blog7style/images/common/number/9.gif" /></span></li>
     <li><span class="SG_txtc">博客积分：</span><span id="comp_901_score"><strong>0</strong></span></li>
     </ul>
     <ul class="info_list2">
     <li><span class="SG_txtc">博客访问：</span><span id="comp_901_pv"><strong>3,971</strong></span></li>
     <li><span class="SG_txtc">关注人气：</span><span id="comp_901_attention"><strong>0</strong></span></li>
     <li><span class="SG_txtc">获赠金笔：</span><strong id="comp_901_d_goldpen">0支</strong></li>
     <li><span class="SG_txtc">赠出金笔：</span><strong id="comp_901_r_goldpen">0支</strong></li>
     <li class="lisp" id="comp_901_badge"><span class="SG_txtc">荣誉徽章：</span></li>
     </ul>
     </p>
<p class="atcTit_more"><span class="SG_more"><a href="http://blog.sina.com.cn/" rel="external nofollow" rel="external nofollow" target="_blank">更多>></a></span></p>     
<p class="story">...</p>
"""
soup = BeautifulSoup(html, &#39;html.parser&#39;) #文档对象



# 类名为xxx而且文本内容为hahaha的p
for k in soup.find_all(&#39;p&#39;,class_=&#39;atcTit_more&#39;):#,string=&#39;更多&#39;
 print(k)
 #<p class="atcTit_more"><span class="SG_more"><a href="http://blog.sina.com.cn/" rel="external nofollow" rel="external nofollow" target="_blank">更多>></a></span></p>

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