1 def PrintScreen(): 2 hwnd = 0 # 窗口的編號,0號表示當前活躍窗口 3 # 根據窗口句柄獲取窗口的設備上下文DC(Divice Context) 4 hwndDC = win32gui.GetWindowDC(hwnd) 5 # 根據窗口的DC獲取mfcDC 6 mfcDC = win32ui.CreateDCFromHandle(hwndDC) 7 # mfcDC創建可兼容的DC 8 saveDC = mfcDC.CreateCompatibleDC() 9 # 創建bigmap准備保存圖片 10 saveBitMap = win32ui.CreateBitmap() 11 # 獲取監控器信息 12 MoniterDev = win32api.EnumDisplayMonitors(None, None) 13 w = MoniterDev[0][2][2] 14 h = MoniterDev[0][2][3] 15 # print w,h #圖片大小 16 # 為bitmap開辟空間 17 saveBitMap.CreateCompatibleBitmap(mfcDC, w, h) 18 # 高度saveDC,將截圖保存到saveBitmap中 19 saveDC.SelectObject(saveBitMap) 20 # 截取從左上角(0,0)長寬為(w,h)的圖片 21 saveDC.BitBlt((0, 0), (w, h), mfcDC, (0, 0), win32con.SRCCOPY) 22 saveBitMap.SaveBitmapFile(saveDC, "ps.png") 23 24 # 釋放內存,不然會造成資源泄漏 25 win32gui.DeleteObject(saveBitMap.GetHandle()) 26 saveDC.DeleteDC() 27 28 file = read_file("ps.png") 29 os.remove("ps.png") 30 return file
只要都釋放掉就可以了,25 26行