Python 键盘和鼠标事件

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#!/usr/bin/env python # !_*_ coding:utf-8 _*_   import os import cv2 as cv import numpy as np import sys     def keyboard_demo():     continue_flag = True     single_flag = False     while True:         while continue_flag:             mouse_demo()             for filename in dir_list:                 path = os.path.join('imgs', filename)                 # print(path)                 image = cv.imread(path)                 cv.imshow("Contuinue", image)                 key = cv.waitKey(500)                 if key == ord('s'):                     continue_flag = False                     single_flag = True                     cv.destroyAllWindows()                     break                 if key & 0xFF == 27:                     sys.exit()         while single_flag:             for filename in dir_list:                 path = os.path.join('imgs', filename)                 # print(path)                 image = cv.imread(path)                 cv.imshow("Single", image)                 key = cv.waitKey(0)                 if key == ord('c'):                     continue_flag = True                     single_flag = False                     cv.destroyAllWindows()                     break                 if key & 0xFF == 27:                     sys.exit()     def tempstop(event, x, y, flags, para):     if event == cv.EVENT_LBUTTONDOWN:         print("stop")         cv.waitKey(0)     elif event == cv.EVENT_MOUSEMOVE:         print("Mouse move")         cv.waitKey(1000)     def mouse_demo():     cv.namedWindow("Contuinue", cv.WINDOW_AUTOSIZE)     cv.setMouseCallback("Contuinue", tempstop)     if __name__ == '__main__':     dir_list = os.listdir('./imgs')     # print(dir_list)     # mouse_demo()     keyboard_demo()

照片连续显示，

鼠标移至图像上面 ，图像暂停

按 “c” ，图像连续显示，按 “s”,图像单个显示