用Qt实现的截屏软件，可以设置每次截屏的间隔时间，然后每隔这个时间截取一次屏幕，并且将文件保存在当前目录下，而且可以指定屏幕的区域进行截图。-Implemented using Qt software screenshots, you can set the interval for each screenshot, and then every once in this time of the interception of the screen, and save the file in the current directory, and can specify the screen area capture.