Turn from: http://www.cnblogs.com/qingchunjun/p/4208159.html
By.xpath ()
This method is a very powerful way to find elements, which can be used to locate almost any element on the page. Before we can formally start using XPath for positioning,
In selenium automation, if the ID, class, name, etc General Locator cannot find the element, the XPath is used to find the element on the Web page.This time I will explain from the following three aspects:1. What is XPath2. Use of XPath syntax3. Use
Original: Http://ejohn.org/blog/xpath-css-selectors
Lately, I've done a lot of work to implement a parser that supports both XPath and CSS 3, and what surprises me is that they are very similar in some ways, but in other ways they are
XPath Introduction
XPath is a W3C standard. It is designed to locate nodes in the xml1.0 or xml1.1 document node tree. Currently, xpath1.0 and xpath2.0 are available. Xpath1.0 became the W3C standard in 1999, while xpath2.0 standard was established
First, select the nodeCommon Road-strength Expressions:
An expression
Describe
Instance
NodeName
Select all child nodes of the NodeName node
XPath ('//div ')
All child nodes of a div node
First, select the nodeCommon Road-strength Expressions:
An expression
Describe
Instance
NodeName
Select all child nodes of the NodeName node
XPath ('//div ')
All child nodes of a div node
PHP uses xpath to parse XML, and xpath to parse xml
This example describes how PHP parses XML using xpath. We will share this with you for your reference. The details are as follows:
XML files are widely used in lightweight applications developed by
Jdom/xpath Programming GuideThis article describes the benefits of JDOM and XPATH, and the combination of both for XML programming.ObjectiveXML is a good form of data packaging and data exchange, in today's XML big line in the world, if not heard of
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