Web Automation 3-selenium Basic Operations Css/xpath

1.xptah can be positioned by the attributes of the element's ID, name, class

Driver.find_element_by_xpath ("//input[@id = ' kw1 ']")

Driver.find_element_by_xpath ("//*[@name = ' wd ']")

Driver. Find_element_by_xpath ("//*[@class = ' s_ipt ']")

2. If an element ID, name, and class attribute are not available, you can also navigate to the

Driver.find_element_by_xpath ("//*[@autocomplete = ' off ']")

Driver.find_element_by_xpath("//input[@type = ' text ']")

3. Logical operation

4.xpath Index

Driver.find_element_by_xpath ("//div[@id = ' sidebar ']/ul/li[3]/a"). Click ()

Driver.find_element_by_xpath ("//div[@id = ' sidebar ']/ul/li[3]/ul[1]/li[2]"). Click ()

Css

1.css: Attribute Positioning

The following is the HTML code of the Baidu input box:

<input id= "kw" class= "S_ipt" type= "text" autocomplete= "Off" maxlength= "+" name= "wd"/>

The CSS uses the # number to denote the id attribute, such as: #kw

CSS uses. Represents the class attribute, such as:. S_ipt

CSS directly with the tag name, without any identifiers, such as: input

2.css: Other properties

CSS can be located in addition to the three general properties of tags, class, id, or other properties.

Here are the formats for locating other properties

Summary: XPath is more powerful, geographically local, but slower

CSS is more concise, processing speed is fast, but some features limited positioning

Web Automation 3-selenium Basic Operations Css/xpath