PostMessage（）

def keyHwnd(hwndEx, char):    """    向指定控件输入值    :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 - 记事本')print(hwnd)win32gui.SetForegroundWindow(hwnd)hwndex = win32gui.FindWindowEx(hwnd,None,'Edit', None)keyHwnd(hwndex,'撒地方SDFkof;ldsojfdfdsjfd;slkjfdlksjfkldsjflkdsjlkfjkldsljkfjdssj')

切换键盘布局

该功能封装成了一个装饰器，函数执行完恢复了原键盘布局

import win32confrom win32con import WM_INPUTLANGCHANGEREQUESTimport win32guiimport win32apidef setKeyboardLayout_en(inner):    def wrapper(*args, **kwargs):        if win32api.LoadKeyboardLayout('0x0409', win32con.KLF_ACTIVATE) == None:            return Exception('加载键盘失败')        # 语言代码        # https://msdn.microsoft.com/en-us/library/cc233982.aspx        LID = {0x0804: "Chinese (Simplified) (People's Republic of China)",               0x0409: 'English (United States)'}        # 获取前景窗口句柄        hwnd = win32gui.GetForegroundWindow()        # 获取前景窗口标题        title = win32gui.GetWindowText(hwnd)        # 获取键盘布局列表        im_list = win32api.GetKeyboardLayoutList()        im_list = list(map(hex, im_list))        print(im_list)        oldKey = hex(win32api.GetKeyboardLayout())        # 设置键盘布局为英文        result = win32api.SendMessage(            hwnd,            WM_INPUTLANGCHANGEREQUEST,            0,            0x4090409)        if result == 0:            print('设置英文键盘成功！')        inner(*args,*kwargs)        result = win32api.SendMessage(            hwnd,            WM_INPUTLANGCHANGEREQUEST,            0,            oldKey)        if result == 0:            print('还原键盘成功！')    return wrapper

ascii标准码

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)