python3 截图实现代码

# -*- coding: UTF-8 -*-  import time  import os, win32gui, win32ui, win32con, win32api      def window_capture(dpath, srcbmp=[0, 0, None, None]):      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]      if srcbmp[2]==None or (srcbmp[0]+srcbmp[2]>w):          srcbmp[2] = w      if srcbmp[3]==None or (srcbmp[1]+srcbmp[3]>w):          srcbmp[3] = h      saveBitMap.CreateCompatibleBitmap(mfcDC, srcbmp[2], srcbmp[3])      saveDC.SelectObject(saveBitMap)      #saveDC.BitBlt((0,0),(w, h) , mfcDC, (0,0), win32con.SRCCOPY)      ddss = (srcbmp[2], srcbmp[3])      saveDC.BitBlt((0,0), ddss , mfcDC, (srcbmp[0], srcbmp[1]), win32con.SRCCOPY)      cc=time.gmtime()      bmpname=dpath+str(cc[0])+str(cc[1])+str(cc[2])+str(cc[3]+8)+str(cc[4])+str(cc[5])+'.bmp'      saveBitMap.SaveBitmapFile(saveDC, bmpname)      #调用截屏函数  #window_capture('D:\\Tools\\')    window_capture('D:\\Tools\\', [50, 330, 400, 200])