一、实验目的

运用面向对象程序设计思想，基于Java文件管理和I/O框架，实现命令行下的文件管理器。

二、实验项目内容

1、实现文件夹创建、删除、进入。

2、实现当前文件夹下的内容罗列。

3、实现文件拷贝和文件夹拷贝（文件夹拷贝指深度拷贝，包括所有子目录和文件）。

4、实现指定文件的加密和解密。

-First, the purpose of the experiment the use of object-oriented programming concepts, the Java-based file management and I/O framework to achieve command line file manager. Second, the contents of a pilot project, the realization folder to create, delete, enter. 2, to achieve the contents of the current folder list. 3, file copy and copy the folder (folder copy refers to the depth of the copy, including all subdirectories and files). 4, to achieve the specified file encryption and decryption.