web自动化测试第7步：模拟键盘事件（Keys）

对于模拟键盘事件，我们之前的课程中已经有了一些了解，比如基础操作send_keys()方法输入任意值、鼠标事件key_down（）、key_up（）等，这一节呢，我们也比较简单，我们专门来讲一讲如何使用引入的common.keys库

1.基于send_keys()基础上的key

driver.find_element_by_id("kw").send_keys(Keys.BACK_SPACE)

如上所示，在基于send_keys()方法的基础上，输入Keys类下封装的方法

下面是keys库的源码

from __future__ import unicode_literalsclass Keys(object):    """    Set of special keys codes.    """    NULL = '\ue000'    CANCEL = '\ue001'  # ^break    HELP = '\ue002'    BACKSPACE = '\ue003'    BACK_SPACE = BACKSPACE    TAB = '\ue004'    CLEAR = '\ue005'    RETURN = '\ue006'    ENTER = '\ue007'    SHIFT = '\ue008'    LEFT_SHIFT = SHIFT    CONTROL = '\ue009'    LEFT_CONTROL = CONTROL    ALT = '\ue00a'    LEFT_ALT = ALT    PAUSE = '\ue00b'    ESCAPE = '\ue00c'    SPACE = '\ue00d'    PAGE_UP = '\ue00e'    PAGE_DOWN = '\ue00f'    END = '\ue010'    HOME = '\ue011'    LEFT = '\ue012'    ARROW_LEFT = LEFT    UP = '\ue013'    ARROW_UP = UP    RIGHT = '\ue014'    ARROW_RIGHT = RIGHT    DOWN = '\ue015'    ARROW_DOWN = DOWN    INSERT = '\ue016'    DELETE = '\ue017'    SEMICOLON = '\ue018'    EQUALS = '\ue019'    NUMPAD0 = '\ue01a'  # number pad keys    NUMPAD1 = '\ue01b'    NUMPAD2 = '\ue01c'    NUMPAD3 = '\ue01d'    NUMPAD4 = '\ue01e'    NUMPAD5 = '\ue01f'    NUMPAD6 = '\ue020'    NUMPAD7 = '\ue021'    NUMPAD8 = '\ue022'    NUMPAD9 = '\ue023'    MULTIPLY = '\ue024'    ADD = '\ue025'    SEPARATOR = '\ue026'    SUBTRACT = '\ue027'    DECIMAL = '\ue028'    DIVIDE = '\ue029'    F1 = '\ue031'  # function  keys    F2 = '\ue032'    F3 = '\ue033'    F4 = '\ue034'    F5 = '\ue035'    F6 = '\ue036'    F7 = '\ue037'    F8 = '\ue038'    F9 = '\ue039'    F10 = '\ue03a'    F11 = '\ue03b'    F12 = '\ue03c'    META = '\ue03d'    COMMAND = '\ue03d'

2.百度注册输入框，keys示例

from selenium import  webdriverfrom selenium.webdriver.common.keys import Keysfrom time import sleep# 模拟键盘操作-百度登录页面driver = webdriver.Chrome()driver.get("https://passport.baidu.com/v2/?reg")# 用户名元素定位和手机号元素定位name_element = driver.find_element_by_css_selector("#TANGRAM__PSP_3__userName")phone_element = driver.find_element_by_css_selector("#TANGRAM__PSP_3__phone")# 在手机号输入框输入数据：testphone_element.send_keys("test")# 在手机号输入框进行组合键Ctrl+a 、 Ctrl+xphone_element.send_keys(Keys.CONTROL, "a")sleep(2)phone_element.send_keys(Keys.CONTROL, "x")# 在名字输入框输入组合键Ctrl+vname_element.send_keys(Keys.CONTROL, "v")# 在名字输入框输入数字键3name_element.send_keys(Keys.NUMPAD3)