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:\')