Learn selenium to simulate mouse operation, and you can be lazy a little bit

Preface

We're doing it Web When automating , Sometimes the elements of the page don't need us to click , Value needs to move the mouse to display all kinds of information .

At this time, we can operate the mouse to achieve , Next, let's talk about using selenium do Web How to operate the mouse during Automation .

The mouse operation , We can use selenium Of ActionChains Class to achieve , Let's get to know this class first .

01.ActionChains Class common methods

• click_and_hold(on_element=None) ： Left click , Do not release

• context_click(on_element=None)： Right click

• double_click(on_element=None)： Double click the left mouse button

• drag_and_drop(source, target)： Drag to an element and release

• move_by_offset(xoffset, yoffset)： Move the mouse from the current position to a certain coordinate

• move_to_element(to_element) ： Move the mouse to an element

• release(on_element=None)： Release the pressed mouse button on the element

• pause(seconds)： Suspend operation ( second )

02.ActionChains Class all methods

• perform(self)– Execute mouse operation method

• reset_actions()– Clear operating instructions

• click(on_element=None)– Left click

• click_and_hold(on_element=None)： Left click , Do not release

• context_click(on_element=None)： Right click

• double_click(on_element=None)： Double click the left mouse button

• drag_and_drop(source, target)： Drag to an element and release

• drag_and_drop_by_offset(source, xoffset, yoffset) ： Drag to a coordinate and release

• key_down(value, element=None)： Press... On a keyboard

• key_up(value, element=None) ： Loosen a

• move_by_offset(xoffset, yoffset)： Move the mouse from the current position to a certain coordinate

• move_to_element(to_element) ： Move the mouse to an element

• move_to_element_with_offset(to_element, xoffset, yoffset)： Move to

• From an element （ Top left coordinates ） How far away is the location

• pause(seconds)： Suspend operation ( second )

• release(on_element=None)： Release the pressed mouse button on the element

• send_keys(*keys_to_send)： Send a key to the current focus element

• send_keys_to_element(element, *keys_to_send) ： Send a key to the specified element

03.ActionChains Use steps

• Instantiation ：actions = ActionChains(driver)
• Call the mouse operation method ：actions.move_to_element(menu)
• Execute mouse operation method ：actions.perform()

04. actual combat

What the code does ：

• Open the test web page ：https://www.runoob.com/try/try.php?filename=tryjs_events_mouseover
• Switch iframe
• Navigate to the bound mouse event div
• Move the mouse to div Event triggered on the ( Can be observed div The words on the will change )

import time
from selenium import webdriver
from selenium.webdriver import ActionChains
driver = webdriver.Chrome(r"D:\chromeDriver\71\chromedriver71.exe")
driver.implicitly_wait(5)
driver.get(url="https://www.runoob.com/try/try.php?filename=tryjs_events_mouseover")
driver.maximize_window()
# Switch iframe
driver.switch_to.frame(driver.find_element_by_xpath('//iframe[@id="iframeResult"]'))
# Element localization 
ele = driver.find_element_by_xpath('//div[@οnmοuseοver="mOver(this)"]')
# Move the mouse over the element to trigger the event 
actions = ActionChains(driver)
actions.move_to_element(ele)
actions.perform()
time.sleep(5)
driver.quit()

05. summary

ActionChains Other methods in the class are used in the same way , If you have time, you can try

ActionChains There are many methods in the class , But not many are commonly used , Listed above , Just master the common methods

Particular attention ：ActionChains Implementation principle of , When you call ActionChains Method time , Not immediately , Instead, all operations are put in a queue in order , When you call perform() When the method is used , The time in the queue will execute in turn .

ActionChains Methods in a class can be called using a chain , Let's think about our own expansion ( It's very simple ).

Finally, thank everyone who reads my article carefully , The following online link is also a very comprehensive one that I spent a few days sorting out , I hope it can also help you in need ！
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