xpath | 易学教程

How to find element by part of its id name in selenium with python

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问题 I'm using selenium with python,now I want to locate an element by part of its id name,what can I do? For example,now I've already located a item by id name coption5 : sixth_item = driver.find_element_by_id("coption5") Is there anyway I can locate this element only by using coption ? 回答1: To find the element which you have located with: sixth_item = driver.find_element_by_id("coption5") To locate this element only by using coption you can use can use either of the following Locator Strategies:

python xpath

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import requests from lxml import etree # //ul[@id = "showImg"]/li/a/img/@src text = requests.get('your url').text # html = etree.HTML(text) # result = etree.tostring(html) # print(result.decode('UTF-8')) html = etree.HTML(text) # '//'表示获取当前节点子孙节点，'*'表示所有节点，'//*'表示获取当前节点下所有节点 result = html.xpath('//ul[@id = "showImg"]/li/a/img/@src') for i in result: print(i)传送门来源： https://www.cnblogs.com/chengfengchi/p/12222538.html

Chrome开发人员工具-Elements页面

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Elements页面时干什么的呢？其实主要是针对我们网页页面的排布进行检查和调试。那么如何查看页面中对应的html元素呢？现在我们找到了对应的元素，那么Chrome给我们提供了那些对元素的操作呢？那么我们选中了对应的元素之后，右击来看一下。其中简单的我就不在详细解解释了，来说一些有平时不常见的吧。 copy功能：那么里面都有些什么呢？那么什么是Xpath呢？其实就是XML路径语言，是用来确定XML文档中部分位置的语言。XPath基于XML的树状结构，提供在数据结构树中找寻节点的能力。Xpath使用路径表达式来选取XML文档中的节点或节点集。 XPath详细解释 force state功能：我们先来说一下这个强制状态的作用是什么，强制状态就是说，你设置了伪类的格式，比如我们设置的是focus聚焦的，那么我们可能需要让其元素获得焦点才能显示focus设置的格式。但是我们可以使用强制状态让其直接显示focus设置的状态。不需要必须获得焦点。例子：我对一个博客的标题设置了聚焦的格式：现在我们使用强制状态让其显示focus时的状态：那么我们接下来再来说一下这些伪类选择器的都是些什么？ :active ——元素被激活时的样式，也就是元素按下的格式 :hover ——鼠标悬停或划过的样式 :focus ——获得焦点的样式（比如输入框通过tab获得光标，或触发该样式）

Ruby Selenium Web Driver: How to count child element nodes of a specific node

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问题 Am a novice selenium programmer please help me with this... I have below html and am trying to count the child nodes of element <div class="result-controls"> which is 4 (1 div and 3 li elements) <div class="result-controls"> <div class="attachment"> <li class="add-attachment-button-column"><a><button>ADD ATTACHMENTS</button></a></li><input type="file" multiple="" style="display: none;"> </div> <li class="sign-button-column"><a href="javascript:void(0)"><button>SIGN</button></a></li> <li class

Can't get the data using importXML from Dynamic Web Page?

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问题 The website is : https://www.futbin.com/18/player/2600/Ayhan/ I inspect the element and get the XPath which is: //*[@id="ps-lowest-1"] Then I use: =IMPORTXML("https://www.futbin.com/18/player/2600/Ayhan/","//*[@id='ps-lowest-1']") To get the data which should be 2000 But instead it only shows: - on the sheet. No errors just doesn't show the data that I want it to. Is there anyway to get the data that I need? Thanks 回答1: The Sheets command importXML reads only the HTML source of the page

python|数据提取之xpath

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数据提取之xpath 学习目标了解 html和xml的区别掌握 xpath获取节点属性的方法掌握 xpath获取文本的方法掌握 xpath查找特定节点的方法 1 为什么要学习xpath和lxml lxml是一款高性能的 Python HTML/XML 解析器，我们可以利用XPath，来快速的定位特定元素以及获取节点信息 2 什么是xpath XPath (XML Path Language) 是一门在 HTML\XML 文档中查找信息的语言，可用来在 HTML\XML 文档中对元素和属性进行遍历。 W3School官方文档： http://www.w3school.com.cn/xpath/index.asp 3 认识xml 知识点： html和xml的区别 xml中各个元素的的关系和属性 3.1 html和xml的区别 3.2 xml的树结构 <bookstore> <book category="COOKING"> <title lang="en">Everyday Italian</title> <author>Giada De Laurentiis</author> <year>2005</year> <price>30.00</price> </book> <book category="CHILDREN"> <title lang="en"

How to change an XML element in a namespace with MSDeploy Parameters.xml file?

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问题 I can't change an element in Web.config with MSDeploy. My Parameters.xml file: <parameterEntry kind="XmlFile" scope="\\web.config$" match="//spring/objects/object[@id='CultureResolver']/@type" /> The relevant section of Web.config : <spring> <objects xmlns="http://www.springframework.net"> <object id="CultureResolver" type="Spring.Globalization.Resolvers.SessionCultureResolver, Spring.Web">  <property name="DefaultCulture" value="en" /> </object> </objects> </spring

Python XPath抓取小说《三国演义》《二》

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昨天的代码可以达到爬虫的目的但是效果不理想，容易中断，今天做了改进增加写入文本，判断是否创建多层文件夹，增加了随机headers 可以多爬一些内容不过还是会中断... from lxml import etree import requests import time import os import random def getHeaders(): #随机获取一个headers user_agents = ['Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1', 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50', 'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11', 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36', 'Mozilla/5.0 (Windows NT

Xpath to select value of sibling attribute with namespace

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问题 I'm struggling to get an XPath defined to return the value of the uniqueappversionid from the following XML: <?xml version="1.0" encoding="UTF-8"?> <manifest package="air.com.vzw.Foo" android:versionCode="0" android:versionName="0.0.0" android:installLocation="auto" xmlns:android="http://schemas.android.com/apk/res/android"> <application android:label="FooAIR"> <meta-data android:name="autoOrients" android:value="true" /> <meta-data android:name="fullScreen" android:value="false" /> <meta

Xpath to select value of sibling attribute with namespace

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