导入  from selenium.webdriver.common.keys import Keys

 格式:Keys.XXX

一般这么用:send_keys(Keys.XXX)

# Keys.BACK_SPACE:回退键(BackSpace)
# Keys.TAB:制表键(Tab)
# Keys.ENTER:回车键(Enter)
# Keys.SHIFT:大小写转换键(Shift)
# Keys.CONTROL:Control键(Ctrl)
# Keys.ALT:ALT键(Alt)
# Keys.ESCAPE:返回键(Esc)
# Keys.SPACE:空格键(Space)
# Keys.PAGE_UP:翻页键上(Page Up)
# Keys.PAGE_DOWN:翻页键下(Page Down)
# Keys.END:行尾键(End)
# Keys.HOME:行首键(Home)
# Keys.LEFT:方向键左(Left)
# Keys.UP:方向键上(Up)
# Keys.RIGHT:方向键右(Right)
# Keys.DOWN:方向键下(Down)
# Keys.INSERT:插入键(Insert)
# DELETE:删除键(Delete)
# NUMPAD0 ~ NUMPAD9:数字键1-9
# F1 ~ F12:F1 - F12键
# (Keys.CONTROL, ‘a’):组合键Control+a,全选
# (Keys.CONTROL, ‘c’):组合键Control+c,复制
# (Keys.CONTROL, ‘x’):组合键Control+x,剪切
# (Keys.CONTROL, ‘v’):组合键Control+v,粘贴
 1 # coding=UTF-8
 2 #18.模拟键盘单个按键操作
 3 import sys
 4 reload(sys)
 5 sys.setdefaultencoding('utf8')
 6 from selenium import webdriver
 7 import unittest
 8 import time
 9 from selenium.webdriver.common.keys import Keys
10 
11 class Case18(unittest.TestCase):
12 
13     def setUp(self):
14         self.driver = webdriver.Chrome()
15 
16     def test_simulateASingleKey(self):
17         url = "https://www.sogou.com"
18         self.driver.get(url)
19         element = self.driver.find_element_by_id("query")
20         element.send_keys(Keys.F12) # 按下F12键
21         time.sleep(2)
22         element.send_keys(Keys.F12)
23         element.send_keys("selenium")
24         element.send_keys(Keys.CONTROL,'a') #c trl+a 全选输入框内容
25         time.sleep(2)
26         element.send_keys(Keys.CONTROL,'x') # ctrl+x 剪切输入框内容
27         time.sleep(2)
28         element.send_keys(Keys.CONTROL,'v') # ctrl+v 粘贴内容到输入框
29         time.sleep(2)
30         element.send_keys(Keys.ENTER) # 回车
31         time.sleep(2)
32 
33     def tearDown(self):
34         self.driver.quit()
35 
36 if __name__ == '__main__':
37     unittest.main()

 参考:https://www.cnblogs.com/studyddup0212/p/9028795.html