网上购物系统(详细设计说明书)

1 1 引言 ............................................................................................................................................... 3 1 .1 编写目的 .................................................................................................................................... 3 1 .2 背景......................................................................................................................................... 3 1 .3 定义......................................................................................................................................... 3 1 .4 参考资料 ................................................................................................................................. 3 2 程序系统的结构 ........................................................................................................................... 3 3 .1 登录注册模块设计说明............................................................................................................. 4 3 .1 .1 程序描述 .............................................................................................................................. 4 3 .1 .2 功能...................................................................................................................................... 5 3 .1 .3 性能...................................................................................................................................... 5 3 .1 .4 输入项 .................................................................................................................................. 6 3 .1 .5 输出项 .................................................................................................................................. 6 3 .1 .6 算法...................................................................................................................................... 6 3 .1 .7 流程...