python爬虫：用BeautifulSoup抓取div标签 

 1 # -*- coding:utf-8 -*-
 2 #python 2.7
 3 #XiaoDeng
 4 #http://tieba.baidu.com/p/2460150866
 5 #标签操作
 6 
 7 
 8 from bs4 import BeautifulSoup
 9 import urllib.request
10 import re
11 
12 
13 #如果是网址，可以用这个办法来读取网页
14 #html_doc = "http://tieba.baidu.com/p/2460150866"
15 #req = urllib.request.Request(html_doc)  
16 #webpage = urllib.request.urlopen(req)  
17 #html = webpage.read()
18 
19 
20 
21 html="""
22 <html><head><title>The Dormouse's story</title></head>
23 <body>
24 <p class="title" name="dromouse"><b>The Dormouse's story</b></p>
25 <p class="story">Once upon a time there were three little sisters; and their names were
26 <a href="http://example.com/elsie" class="sister" id="xiaodeng"><!-- Elsie --></a>,
27 <a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
28 <a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
29 <a href="http://example.com/lacie" class="sister" id="xiaodeng">Lacie</a>
30 and they lived at the bottom of a well.</p>
31 <div class="ntopbar_loading"><img src="http://simg.sinajs.cn/blog7style/images/common/loading.gif">加载中…</div>
32 
33 <div class="SG_connHead">
34             <span class="title" comp_title="个人资料">个人资料</span>
35             <span class="edit">
36                         </span>
37 <div class="info_list">     
38                                    <ul class="info_list1">
39                     <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>
40                     <li><span class="SG_txtc">博客积分：</span><span id="comp_901_score"><strong>0</strong></span></li>
41                     </ul>
42                     <ul class="info_list2">
43                     <li><span class="SG_txtc">博客访问：</span><span id="comp_901_pv"><strong>3,971</strong></span></li>
44                     <li><span class="SG_txtc">关注人气：</span><span id="comp_901_attention"><strong>0</strong></span></li>
45                     <li><span class="SG_txtc">获赠金笔：</span><strong id="comp_901_d_goldpen">0支</strong></li>
46                     <li><span class="SG_txtc">赠出金笔：</span><strong id="comp_901_r_goldpen">0支</strong></li>
47                     <li class="lisp" id="comp_901_badge"><span class="SG_txtc">荣誉徽章：</span></li>
48                     </ul>
49                   </div>
50 <div class="atcTit_more"><span class="SG_more"><a href="http://blog.sina.com.cn/" target="_blank">更多&gt;&gt;</a></span></div>                 
51 <p class="story">...</p>
52 """
53 soup = BeautifulSoup(html, 'html.parser')   #文档对象
54 
55 
56 
57 # 类名为xxx而且文本内容为hahaha的div
58 for k in soup.find_all('div',class_='atcTit_more'):#,string='更多'
59     print(k)
60     #<div class="atcTit_more"><span class="SG_more"><a href="http://blog.sina.com.cn/" target="_blank">更多&gt;&gt;</a></span></div>

 

posted @ 2017-06-12 01:23  古怪的一阵风  阅读(19609)  评论(0)    收藏  举报