zoukankan      html  css  js  c++  java
  • 获取 标签的所有 class

    # !/usr/bin/env python
    # -*- coding: utf-8 -*-
    from lxml import etree
    
    # 获取文件元素
    htmlEmt = etree.parse('test03.html')
    # 获取所有的 <li> 标签
    result = htmlEmt.xpath('//li/@class')
    print result
    print type(result)
    
    <html><body><div>
        <ul>
             <li class="item-0">a01<a href="link1.html">first item</a></li>
             <li class="item-1">b02<a href="link2.html">second item</a></li>
             <li class="item-inactive">c03<a href="link3.html">third item</a></li>
             <li class="item-1">d04<a href="link4.html">fourth item</a></li>
             <li class="item-0">e05<a href="link5.html">fifth item</a></li>
    		 <a class='aaaa'>ddd</a>
        </ul>
    	<div>
            <li class="item-6"></li>
    	</div>
        <li class="4444">aaaa</li>
        <li class="55555">bbbbb</li>
        <span>
            <a><li>cc</li></a>
        </span>
     </div></body></html>
    
     C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled/xpath/l2.py
    ['item-0', 'item-1', 'item-inactive', 'item-1', 'item-0', 'item-6', '4444', '55555']
    <type 'list'>
    
    	
    	
    # !/usr/bin/env python
    # -*- coding: utf-8 -*-
    from lxml import etree
    
    # 获取文件元素
    htmlEmt = etree.parse('test03.html')
    # 获取所有的 <li> 标签
    result = htmlEmt.xpath('//@class')
    print result
    print type(result)	
    	
    C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled/xpath/l2.py
    ['item-0', 'item-1', 'item-inactive', 'item-1', 'item-0', 'aaaa', 'item-6', '4444', '55555']
    <type 'list'>
    
    Process finished with exit code 0
    	
  • 相关阅读:
    HDU
    android 博客园
    android105 jni概念
    android104 帧动画,补间动画,属性动画
    requestFocusFromTouch , requestFocus
    android103 内容观察者
    android102 查询,插入联系人
    android101 获取、备份、插入短信
    android100 自定义内容提供者
    android99 拍照摄像
  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13349009.html
Copyright © 2011-2022 走看看