keys源码
NULL = 'ue000'
CANCEL = 'ue001' # ^break
HELP = 'ue002'
BACKSPACE = 'ue003'
BACK_SPACE = BACKSPACE #删除键
TAB = 'ue004' #TAB键
CLEAR = 'ue005'
RETURN = 'ue006'
ENTER = 'ue007' #回车键
SHIFT = 'ue008' #Shift键
LEFT_SHIFT = SHIFT
CONTROL = 'ue009'
LEFT_CONTROL = CONTROL #Ctrl 键
ALT = 'ue00a' #Alt 键
LEFT_ALT = ALT
PAUSE = 'ue00b'
ESCAPE = 'ue00c' #ECS键
SPACE = 'ue00d' #空格键
PAGE_UP = 'ue00e' #PgUp 键
PAGE_DOWN = 'ue00f' #PgDwon 键
END = 'ue010' #END 键
HOME = 'ue011' #HOME 键
LEFT = 'ue012' #左键
ARROW_LEFT = LEFT
UP = 'ue013' #上键
ARROW_UP = UP
RIGHT = 'ue014'
ARROW_RIGHT = RIGHT #右键
DOWN = 'ue015' #下键
ARROW_DOWN = DOWN
INSERT = 'ue016' #insert键
DELETE = 'ue017' #del键
SEMICOLON = 'ue018' #';'键
EQUALS = 'ue019' #'='键
#数字键盘
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' # '*' 键
ADD = 'ue025' # '+' 键
SEPARATOR = 'ue026' #','键
SUBTRACT = 'ue027' # '-' 键
DECIMAL = 'ue028' # '.'键
DIVIDE = 'ue029' #'/'键
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'
组合键
send_keys(Keys.BACK_SPACE) 删除键（BackSpace）
send_keys(Keys.SPACE) 空格键(Space)
send_keys(Keys.TAB) 制表键(Tab)
send_keys(Keys.ESCAPE) 回退键（Esc）
send_keys(Keys.ENTER) 回车键（Enter）
send_keys(Keys.CONTROL,'a') 全选（Ctrl+A）
send_keys(Keys.CONTROL,'c') 复制（Ctrl+C）
send_keys(Keys.CONTROL,'v') 粘贴（Ctrl+V）
send_keys(Keys.CONTROL,'x') 剪切（Ctrl+X）
非组合键
Keys.ENTER 回车键
Keys.BACK_SPACE 删除键
Keys.SPACE 空格键
Keys.TAB 制表键
Keys.ESCAPE 回退键
Keys.F5 刷新键