利用opencv实现视频读入及逐帧保存 任务一：在上述读入视频程序基础上，将视频逐帧保存为图像（图像名按帧序号命名如1.bmp,2.bmp等）到指定目录（如E:\video-image\) -Using opencv read into the video frame by frame and save

Opencv读取视频然后保存成图片格式（视频图片格式可以任意选择）-Opencv read the video and then save as a picture format ( video image formats can be arbitrarily selected )