第一種：PIL

import time import numpy as np from PIL import ImageGrab import cv2beg = time.time() img = ImageGrab.grab(bbox=None) img = np.array(img.getdata(), np.uint8).reshape(img.size[1], img.size[0], 3) end = time.time() print(end - beg) cv2.imshow('result',img) cv2.waitKey(0)

第二種:windows api

import cv2 import win32gui, win32ui, win32con, win32apihwin = win32gui.GetDesktopWindow() width = win32api.GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN) height = win32api.GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN) left = win32api.GetSystemMetrics(win32con.SM_XVIRTUALSCREEN) top = win32api.GetSystemMetrics(win32con.SM_YVIRTUALSCREEN) hwindc = win32gui.GetWindowDC(hwin) srcdc = win32ui.CreateDCFromHandle(hwindc) memdc = srcdc.CreateCompatibleDC() bmp = win32ui.CreateBitmap() bmp.CreateCompatibleBitmap(srcdc, width, height) memdc.SelectObject(bmp) memdc.BitBlt((0, 0), (width, height), srcdc, (left, top), win32con.SRCCOPY) signedIntsArray = bmp.GetBitmapBits(False) img = np.array(signedIntsArray).astype(dtype="uint8") # This is REALLY slow! img.shape = (height,width,4) srcdc.DeleteDC() memdc.DeleteDC() win32gui.ReleaseDC(hwin, hwindc) win32gui.DeleteObject(bmp.GetHandle()) img = cv2.cvtColor(img, cv2.COLOR_RGBA2RGB) cv2.imwrite('D:/333.jpg',img)

第三種：pyautogui

import pyautogui import cv2img = pyautogui.screenshot(region=None) # x,y,w,h # img.save('screenshot.png') img = cv2.cvtColor(np.asarray(img),cv2.COLOR_RGB2BGR) cv2.imwrite('D:/222.jpg',img)

第四種：pyqt5

import sysfrom PyQt5.QtWidgets import QApplicationapp = QApplication(sys.argv) screen = QApplication.primaryScreen() if screen is None:print('screen is None')exit(0) originalPixmap = screen.grabWindow(QtWidgets.QApplication.desktop().winId()) originalPixmap.save('D:/444.jpg', 'png')

總結

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