说明：  模拟一个文件系统，并实现对它们的一些基本操作。(图形化/命令行操作 界面任选) 能实现基本的文件操作，如新建、复制、删除文件和文件夹、显示文件和文件夹内的信息等。
(Simulate a file system, and achieve some of their basic operations. (Graphical/command line interface option) to achieve the basic file operations, such as new, copy, delete files and folders, display files and folders inside information.)