5.1.2 系统的物理模型 .........................................................................................................................17
5.1.3 系统数据表 .................................................................................................................................19
5.2 功能模块设计 .....................................................................................................................................21
5.1.1 前台主要功能 .............................................................................................................................22
5.1.2 后台主要功能 .............................................................................................................................25
5.1.3 退出系统模块设计 .....................................................................................................................28
5.3 界面窗体的实现 .................................................................................................................................28
5.2.1 网站首页中的登陆窗体 .............................................................................................................28
5.2.2 商品查询窗体 .............................................................................................................................29
5.2.3 购物车窗体 .................................................................................................................................30
5.2.4 订单详细信息窗体 .....................................................................................................................30
5.2.5 会员注册窗体 .............................................................................................................................30
5.2.6 商品管理窗体 .............................................................................................................................31
5.2.7 添加商品窗体 .............................................................................................................................31
5.2.8 公告管理窗体 .............................................................................................................................32
5.4 部分代码的实现 .................................................................................................................................32
5.4.1 登陆的实现 .................................................................................................................................32
5.4.2 商品分类查询 .............................................................................................................................33
5.4.3 购物车功能的实现 .....................................................................................................................35
5.4.4 定单功能的实现 .........................................................................................................................37
5.4.5 会员注册代码的实现 .................................................................................................................37
5.4.6 添加商品代码的实现 .................................................................................................................39
第六章系统维护与测试.......................................................................................................................................43
6.1 系统测试 .............................................................................................................................................43
6.2 测试用例 .............................................................................................................................................44
6.3 数据维护 .............................................................................................................................................45
6.4 数据备份与数据恢复 .........................................................................................................................46
6.4.1 数据备份 .....................................................................................................................................46
6.4.2 数据恢复 .....................................................................................................................................46
