浏览简易版，遍历访问单层文件夹：
rootdir=' f :data ' list=OS.list dir (rootdir ) )文件夹下的所有目录和文件forIinrange(0，len ) list ) 3360 path
importosimportcv2data _ path='/home/xiqi/pycharmprojects/fbms/dataset/trainingset/' video _ list=OS.list )如果文件夹不存在，请创建OS.mkdir ) save_path ) for i in range(0) 0，然后创建len(video_list ) : print(i ) video _ pape video_list[i]视频文件夹ifOS.path.isdir(video_path ) :img_list=OS.listdir ) video_path ) save _ vidid (ifnotOS.path.exists ) save_video_path ) :OS.mkdir ) save_video_path ) for j in range(0 len(img_list ) img_list[j]图像文件ifos.path.img _ path (#操作save_img_path=OS.path.join ) save_video_path，img，