2, to obtain the coordinates of the elements
Methods: location
Explanation: First, find the element you want to get, and then call location method
实例：driver.find_element_by_xpath("xpath").location
3, form submission
Methods: submit
Explanation : find the form ( from ) can be called directly submit
实例：driver.find_element_by_id("form1").submit()
4, get the CSS property values
Methods: value_of_css_property ( css_name )
实例：driver.find_element_by_css_selector("input.btn").value_of_css_property("input.btn")
5, the property value acquisition element
方法：get_attribute(element_name)
实例：driver.find_element_by_id("kw").get_attribute("kw")
6, to determine whether the element is selected
Methods: is_selected ( )
实例：driver.find_element_by_id("form1").is_selected()
7, returns the element size
Methods: size
实例：driver.find_element_by_id("iptPassword").size
Return Value: { 'width' : 250 , 'height' : 30 }
8, it is judged whether the element
Methods: is_displayed ( )
实例：driver.find_element_by_id("iptPassword").is_displayed()
9, it is judged whether the element to be used
Methods: is_enabled ( )
实例：driver.find_element_by_id("iptPassword").is_enabled()
10, to obtain elements of a text value
Methods: text
实例：driver.find_element_by_id("iptUsername").text
11, elements assignment
方法：send_keys(*values)
实例：driver.find_element_by_id("iptUsername").send_keys('admin')
12, returns the element's tagName
Methods: tag_name
实例：driver.find_element_by_id("iptUsername").tag_name
13, delete all browser cookies
Methods: delete_all_cookies ( )
Examples: Driver . Delete_all_cookies ( )
14, delete the specified cookie
METHOD: Delete_cookie ( Name )
实例：deriver.delete_cookie("my_cookie_name")
15, close the browser
Method: use Close ( )
Examples: Driver . Use Close ( )
16, close the browser and exit the driver
Methods: quit ( )
Examples: Driver . Quit ( )
17 Back
Methods: the Back ( )
Examples: Driver . The Back ( )
18, input box empty
Methods: the Clear ( )
Examples: Driver . The Clear ( )
19, maximize the browser window
Methods: maximize_window ( )
Examples: Driver . Maximize_window ( )
20, see the browser name
Methods: name
Examples: drvier . Name
21, returned in the current session cookies
Methods: get_cookies ( )
Examples: Driver . Get_cookies ( )
22, find the map based on the value of cookie name Value
方法：driver.get_cookie(cookie_name)
实例：driver.get_cookie("NET_SessionId")
23, interception of the current page
方法：save_screenshot(filename)
实例：driver.save_screenshot("D:\\Program Files\\Python27\\NM.bmp")