python-sendkeys 模拟键

发布时间：2019-08-11 11:26:24编辑：auto阅读（2182）

因为特殊需要， 想找一套能简单发送键盘消息，模拟键盘操作的模块。  类似于 C#.net  或 VB  的  sendKeys  函数。

找了很久没有合适的。 参考了一些网上的资料,使用windows API   SendInput 自已重新写了一个。




SendKeys2.py


  1 #!/usr/bin/python
  2 # -*- coding: gbk -*-
  3 
  4 # SendKeys2.py
  5 #
  6 # Copyright (C) 2012 - xulong <fangkailove@gmail.com>
  7 #
  8 from ctypes import *
  9 import time
 10 import win32con
 11 import win32api
 12 import win32ui
 13 
 14 #Structure for a keycode input
 15 class KeyBdInput(Structure):
 16     _fields_ = [
 17             ("wVk",c_ushort),
 18             ("wScan",c_ushort),
 19             ("dwFlags",c_ulong),
 20             ("time",c_ulong),
 21             ("dwExtraInfo",POINTER(c_ulong))
 22             ]
 23 #dwFlags can be certain combinations of the following values
 24 KEYEVENTF_EXTENDEDKEY = 0x0001  #If specified, the scan code was preceded by a prefix byte that has the value 0xE0 (224).
 25 KEYEVENTF_KEYUP = 0x0002  #If specified, the key is being released. If not specified, #the key is being pressed.
 26 KEYEVENTF_SCANCODE = 0x0008 #If specified, wScan identifies the key and wVk is ignored. 
 27 KEYEVENTF_UNICODE = 0x0004  #If specified, the system synthesizes a VK_PACKET keystroke. The wVk parameter must be zero. This flag can only be combined with the KEYEVENTF_KEYUP flag.
 28 
 29 
 30 #remark:
 31 #dwFalgs default set 0 .
 32 #when  1 >= keycode <= 254  set wVk = keycode and set wScan = 0
 33 #when  keycode>254(unicode) set wScan = keycode and set wVk = 0 
 34 #      and set dwFlags |= KEYEVENTF_UNICODE 
 35 # 
 36 class HardwareInput(Structure):
 37         _fields_ = [("uMsg", c_ulong),("wParamL", c_short),("wParamH", c_ushort)]
 38 
 39 class MouseInput(Structure):
 40         _fields_ = [("dx", c_long),("dy", c_long),("mouseData", c_ulong),("dwFlags", c_ulong),("time",c_ulong),("dwExtraInfo", POINTER(c_ulong))]
 41 
 42 class Union_Input(Union):
 43         _fields_ = [("ki", KeyBdInput),("mi", MouseInput),("hi", HardwareInput)]
 44 
 45 class Input(Structure):
 46     _fields_=[
 47             ("type",c_ulong),
 48             ("ui",Union_Input)
 49             ]
 50 #type can be one of the following value
 51 INPUT_MOUSE = 0  #The event is a mouse event. Use the mi structure of the union.
 52 INPUT_KEYBOARD = 1 #The event is a keyboard event. Use the ki structure of the union.
 53 INPUT_HARDWARE = 2 #The event is a hardware event. Use the hi structure of the union.
 54 
 55 
 56 
 57 
 58 def send_key_event(keyCode,isKeyup):
 59 
 60     Inputs = Input * 1
 61     inputs = Inputs()
 62 
 63     inputs[0].type = INPUT_KEYBOARD
 64     inputs[0].ui.ki.wVk = keyCode
 65     if isKeyup == True:
 66         inputs[0].ui.ki.dwFlags = KEYEVENTF_KEYUP
 67     windll.user32.SendInput(1, pointer(inputs), sizeof(inputs[0]))
 68     win32api.Sleep(3)
 69 
 70 def KeyDown(keyCode):
 71     send_key_event(keyCode,False)
 72 
 73 def KeyUp(keyCode):
 74     send_key_event(keyCode,True)
 75 
 76 
 77 #char in 1~255 key press
 78 def KeyPress(keyCode,isShift):
 79     if isShift == True:
 80         send_key_event(win32con.VK_SHIFT,False)
 81     send_key_event(keyCode,False)
 82     send_key_event(keyCode,True)
 83     if isShift == True:
 84         send_key_event(win32con.VK_SHIFT,True)
 85 
 86 
 87 #unicode char key press
 88 def UniKeyPress(keyCode):
 89     Inputs = Input * 2
 90     inputs = Inputs()
 91 
 92     inputs[0].type = INPUT_KEYBOARD
 93     inputs[0].ui.ki.wVk = 0
 94     inputs[0].ui.ki.wScan = keyCode
 95     inputs[0].ui.ki.dwFlags = KEYEVENTF_UNICODE
 96 
 97     inputs[1].type = INPUT_KEYBOARD
 98     inputs[1].ui.ki.wVk = 0
 99     inputs[1].ui.ki.wScan = keyCode
100     inputs[1].ui.ki.dwFlags = KEYEVENTF_UNICODE | KEYEVENTF_KEYUP
101     windll.user32.SendInput(2, pointer(inputs), sizeof(inputs[0]))
102     win32api.Sleep(5)
103 
104 def SendString(Keys):
105     for c in Keys:
106         cC = ord(c)
107         if cC>=0 and cC<256:
108             vk = win32api.VkKeyScan(c)
109             if vk == -1:
110                 UniKeyPress(cC)
111                 #print cC
112             else:
113                 if vk < 0:
114                     vk = ~vk + 0x1
115                 shift = ( vk >> 8 & 0x1  == 0x1 )
116                 if win32api.GetKeyState(win32con.VK_CAPITAL) & 0x1 == 0x1:
117                     if ( c >= 'a' and c <= 'z' ) or ( c >= 'A' and c <= 'Z' ):
118                         shift = not shift
119                 KeyPress(vk & 0xFF , shift)
120         else:
121             UniKeyPress(cC)
122             #print cC
123 
124 
125 
126 
127 
128 
129 
130 if __name__ == '__main__':
131     pass;

关键字：