ActionChains类鼠标操作的常用方法：
引入ActionChains类：from selenium.webdriver.common.action_chains import ActionChains
1.右击
方法：context_click()
实例：ActionChains(driver).context_click(driver.find_element_by_id("id")).perform()
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2.双击
方法：double_click()
实例：ActionChains(driver).double_click(driver.find_element_by_name("name")).perform()
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3：鼠标拖放
方法：drag_and_drop(source, target)
source：鼠标按下的源元素；target：鼠标释放的目标元素
实例：element = driver.find_element_by_name("name")
target = driver.find_element_by_name("name")
ActionChains(driver).drag_and_drop(element, target).perform()
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4：鼠标悬停在一个元素上（hover）
方法：move_to_element()
实例：above = driver.find_element_by_xpath("xpath路径")
ActionChains(driver).move_to_element(above).perform()
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5：按下鼠标左键在一个元素上
方法：click_and_hold()
实例：left = driver.find_element_by_name("name")
ActionChains(driver).click_and_hold(left).perform()
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键盘事件：
引入Keys类包：from selenium.webdriver.common.keys import Keys
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6：输入
方法：send_keys()
实例：driver.find_element_by_id("id").send_keys("XXX")
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7：输入空格
方法：send_keys(Keys.SPACE)
实例：driver.find_element_by_id("id").send_keys(Keys.SPACE)
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8：ctrl + a
全选输入框的内容
ctrl + x
剪切输入框的内容
ctrl + v
粘贴到输入框
ctrl + c
复制
方法：send_keys(Keys.CONTROL,'a')
实例：driver.find_element_by_id("id").send_keys(Keys.CONTROL,'a')
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9：回车代替点击
方法：send_keys(Keys.ENTER)
实例：driver.find_element_by_id("id").send_keys(Keys.ENTER)
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10：制表键(Tab)
方法：send_keys(Keys.TAB)
实例：driver.find_element_by_id("id").send_keys(Keys.TAB)
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11：回退键（Esc）
方法：send_keys(Keys.ESCAPE)
实例：driver.find_element_by_id("id").send_keys(Keys.ESCAPE)