这是个简单的在线书店购书系统，可以实现基本功能，但是不是很完善，有些错误还需调试-This is a simple online bookstore book system that can achieve the basic functions, but not quite perfect, some errors need to debug

中城在线仿下班网，有数据库文件，使用说明和调试说明。-Online simulation work in the city network, a database file, use the instructions and debug instructions.

在线考试系统框架 基本实现了功能。不过还有一些BUG需要自己调试-Online examination system framework basic realization of the function. But there are some bugs need to debug