Python实现Windows上气泡提醒效果的方法

本文实例讲述了Python实现Windows上气泡提醒效果的方法。分享给大家供大家参考。具体实现方法如下：

    # -*- encoding: gbk -*- 
    import sys 
    import os 
    import struct 
    import time 
    import win32con 
    from win32api import * 
    # Try and use XP features, so we get alpha-blending etc. 
    try: 
     from winxpgui import * 
    except ImportError: 
     from win32gui import * 
    class PyNOTIFYICONDATA: 
     _struct_format = ( 
      "I" # DWORD cbSize; 结构大小(字节) 
      "I" # HWND hWnd; 处理消息的窗口的句柄 
      "I" # UINT uID; 唯一的标识符 
      "I" # UINT uFlags; 
      "I" # UINT uCallbackMessage; 处理消息的窗口接收的消息 
      "I" # HICON hIcon; 托盘图标句柄 
      "128s" # TCHAR szTip[128]; 提示文本 
      "I" # DWORD dwState; 托盘图标状态 
      "I" # DWORD dwStateMask; 状态掩码 
      "256s" # TCHAR szInfo[256]; 气泡提示文本 
      "I" # union { 
        #  UINT uTimeout; 气球提示消失时间(毫秒) 
        #  UINT uVersion; 版本(0 for V4, 3 for V5) 
        # } DUMMYUNIONNAME; 
      "64s" #  TCHAR szInfoTitle[64]; 气球提示标题 
      "I" # DWORD dwInfoFlags; 气球提示图标 
     ) 
     _struct = struct.Struct(_struct_format) 
     hWnd = 0 
     uID = 0 
     uFlags = 0 
     uCallbackMessage = 0 
     hIcon = 0 
     szTip = '' 
     dwState = 0 
     dwStateMask = 0 
     szInfo = '' 
     uTimeoutOrVersion = 0 
     szInfoTitle = '' 
     dwInfoFlags = 0 
     def pack(self): 
      return self._struct.pack( 
       self._struct.size, 
       self.hWnd, 
       self.uID, 
       self.uFlags, 
       self.uCallbackMessage, 
       self.hIcon, 
       self.szTip, 
       self.dwState, 
       self.dwStateMask, 
       self.szInfo, 
       self.uTimeoutOrVersion, 
       self.szInfoTitle, 
       self.dwInfoFlags 
      ) 
     def __setattr__(self, name, value): 
      # avoid wrong field names 
      if not hasattr(self, name): 
       raise NameError, name 
      self.__dict__[name] = value 
    class MainWindow: 
     def __init__(self, title, msg, duration=3): 
      # Register the Window class. 
      wc = WNDCLASS() 
      hinst = wc.hInstance = GetModuleHandle(None) 
      wc.lpszClassName = "PythonTaskbarDemo"
      # 字符串只要有值即可，下面3处也一样 
      wc.lpfnWndProc = { win32con.WM_DESTROY: self.OnDestroy }
      # could also specify a wndproc. 
      classAtom = RegisterClass(wc) 
      # Create the Window. 
      style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU 
      self.hwnd = CreateWindow(classAtom, "Taskbar Demo", style, 
       0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, 
       0, 0, hinst, None 
      ) 
      UpdateWindow(self.hwnd) 
      iconPathName = os.path.abspath(os.path.join(sys.prefix, "pyc.ico"))
      icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE 
      try: 
       hicon = LoadImage(hinst, iconPathName, win32con.IMAGE_ICON, 0, 0, icon_flags) 
      except: 
       hicon = LoadIcon(0, win32con.IDI_APPLICATION) 
      flags = NIF_ICON | NIF_MESSAGE | NIF_TIP 
      nid = (self.hwnd, 0, flags, win32con.WM_USER + 20, hicon, "Balloon tooltip demo") 
      Shell_NotifyIcon(NIM_ADD, nid) 
      self.show_balloon(title, msg) 
      time.sleep(duration) 
      DestroyWindow(self.hwnd) 
     def show_balloon(self, title, msg): 
      # For this message I can't use the win32gui structure because 
      # it doesn't declare the new, required fields 
      nid = PyNOTIFYICONDATA() 
      nid.hWnd = self.hwnd 
      nid.uFlags = NIF_INFO 
      # type of balloon and text are random 
      nid.dwInfoFlags = NIIF_INFO 
      nid.szInfo = msg[:64] 
      nid.szInfoTitle = title[:256] 
      # Call the Windows function, not the wrapped one 
      from ctypes import windll 
      Shell_NotifyIcon = windll.shell32.Shell_NotifyIconA 
      Shell_NotifyIcon(NIM_MODIFY, nid.pack()) 
     def OnDestroy(self, hwnd, msg, wparam, lparam): 
      nid = (self.hwnd, 0) 
      Shell_NotifyIcon(NIM_DELETE, nid) 
      PostQuitMessage(0) # Terminate the app. 
    if __name__=='__main__': 
     MainWindow("您有一条短消息", "您该睡觉了")

希望本文所述对大家的Python程序设计有所帮助。