一个对文件进行加密解密的软件，原代码是从网上下载所得，经过修改后，有了很多新的特点，可以发声，还有背景音乐。-one pair of document encryption and decryption software, the original code is available to download from the Internet, after revision, With many new characteristics that can be audible, there is

des加密的实现，软件界面良好，有背景音乐，同时也可对文件加密-A software that do des-encrypting,with backgroud sound and nice interface.

这是一个棋游戏的源代码，界面精美，带背景音乐， 其中的许多算法，如搜索算法，也都值得研究！ -This is a chess game source code, attractive interface, with background music, many of these algorithms, such as search algorithms, are also worth studying!