Python实现截屏的函数

# -*- coding: cp936 -*- import time,Image import os, win32gui, win32ui, win32con, win32api def window_capture(dpath):   ''''' 截屏函数,调用方法window_capture('d://') ,参数为指定保存的目录 返回图片文件名,文件名格式:日期.jpg 如:2009328224853.jpg   '''   hwnd = 0   hwndDC = win32gui.GetWindowDC(hwnd)    mfcDC=win32ui.CreateDCFromHandle(hwndDC)    saveDC=mfcDC.CreateCompatibleDC()    saveBitMap = win32ui.CreateBitmap()    MoniterDev=win32api.EnumDisplayMonitors(None,None)   w = MoniterDev[0][2][2]   h = MoniterDev[0][2][3]   #print w,h　　　#图片大小   saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)    saveDC.SelectObject(saveBitMap)    saveDC.BitBlt((0,0),(w, h) , mfcDC, (0,0), win32con.SRCCOPY)   cc=time.gmtime()   bmpname=str(cc[0])+str(cc[1])+str(cc[2])+str(cc[3]+8)+str(cc[4])+str(cc[5])+'.bmp'   saveBitMap.SaveBitmapFile(saveDC, bmpname)   Image.open(bmpname).save(bmpname[:-4]+".jpg")   os.remove(bmpname)   jpgname=bmpname[:-4]+'.jpg'   djpgname=dpath+jpgname   copy_command = "move %s %s" % (jpgname, djpgname)   os.popen(copy_command)   return bmpname[:-4]+'.jpg' #调用截屏函数   window_capture('d://')