nested xpath

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

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,

Readers may wonder what my title looks like, mostly just write lxml and bs4 the two PY module names may not be able to attract the attention of the public, generally speaking of web page parsing technology, referring to the keywords are more

in the Web page crawl, the analysis of the location of the HTML node is the key to capture information, I am using the lxml module (to analyze the structure of the XML document, of course, can also analyze the HTML structure), Use its lxml.html

Parsing data from an HTML source file library usually has the following common libraries to use: BeautifulSoup is a very popular web analytics library among programmers, it constructs a Python object based on the structure of HTML code, and it's

How to handle Iframe and nested Iframe and webdriveriframe in WebDriver Recently, when I used webdriver for crawling, I encountered an iframe problem on the website. After a long time, I did not solve the problem. Later I found that the webdriver

Selenium How webdriver elements are positionedThe main thing is by class1, By.name ()##The HTML code is as follows:Google SearchWhen you use the Name property to refer to the button and click on it, the code is as follows:public class

When you use selenium webdriver for element positioning, you typically use the Findelement or Findelements method to position the element with the element handle returned by the by class.Among them, by the common positioning method of eight kinds,

When you use selenium webdriver for element positioning, you typically use the Findelement or Findelements method to position the element with the element handle returned by the by class. Among them, by the common positioning method of eight kinds,