python模擬鍵盤輸入+切換鍵盤布局

PostMessage（）

def keyHwnd(hwndEx, char):
    """
    向指定控件輸入值
    :param hwndEx: 控件句柄
    :param char: 字符串
    :return: True or Flase
    """
    try:
        for _ in char:
            print('key:%s    ascii:%d'  % (_, ord(_)))
            win32api.PostMessage(hwndEx, win32con.WM_CHAR, ord(_), 0)
            time.sleep(random.uniform(0,0.2))
    except Exception as e:
        print(e)
        return False

    return True
    
hwnd = win32gui.FindWindow(None,'a.txt - 記事本')
print(hwnd)

win32gui.SetForegroundWindow(hwnd)
hwndex = win32gui.FindWindowEx(hwnd,None,'Edit', None)
keyHwnd(hwndex,'撒地方SDFkof;ldsojfdfdsjfd;slkjfdlksjfkldsjflkdsjlkfjkldsljkfjdssj')
   

切換鍵盤布局

該功能封裝成了一個裝飾器，函數執行完恢復了原鍵盤布局

import win32con
from win32con import WM_INPUTLANGCHANGEREQUEST
import win32gui
import win32api

def setKeyboardLayout_en(inner):

    def wrapper(*args, **kwargs):
        if win32api.LoadKeyboardLayout('0x0409', win32con.KLF_ACTIVATE) == None:
            return Exception('加載鍵盤失敗')
        # 語言代碼
        # https://msdn.microsoft.com/en-us/library/cc233982.aspx
        LID = {0x0804: "Chinese (Simplified) (People's Republic of China)",
               0x0409: 'English (United States)'}

        # 獲取前景窗口句柄
        hwnd = win32gui.GetForegroundWindow()

        # 獲取前景窗口標題
        title = win32gui.GetWindowText(hwnd)
        # 獲取鍵盤布局列表
        im_list = win32api.GetKeyboardLayoutList()
        im_list = list(map(hex, im_list))
        print(im_list)
        oldKey = hex(win32api.GetKeyboardLayout())

        # 設置鍵盤布局為英文
        result = win32api.SendMessage(
            hwnd,
            WM_INPUTLANGCHANGEREQUEST,
            0,
            0x4090409)
        if result == 0:
            print('設置英文鍵盤成功！')


        inner(*args,*kwargs)

        result = win32api.SendMessage(
            hwnd,
            WM_INPUTLANGCHANGEREQUEST,
            0,
            oldKey)
        if result == 0:
            print('還原鍵盤成功！')
    return wrapper

ascii標准碼

keybd_event()

win32api.keybd_event(65, 0, 0, 0)
time.sleep(random.uniform(0, 0.5))
win32api.keybd_event(65, 0, win32con.KEYEVENTF_KEYUP, 0)

microsoft鍵盤碼參考

這位兄弟寫的關於模擬鍵盤非常全