第 4 章 系统概要设计...........................................................................17
4.1 数据库概念结构设计....................................................................................17
4.1.1 局部 E-R 图 ........................................................................................17
4.1.2 全局 E-R 图 ........................................................................................20
4.2 数据库逻辑结构设计....................................................................................21
4.3 数据库的设计与实现....................................................................................22
4.3.1 数据库表设计.....................................................................................22
4.3.2 数据库表实现.....................................................................................22
4.4 系统功能模块设计........................................................................................25
4.5 软件体系结构设计........................................................................................26
第 5 章 系统详细设计...........................................................................28
5.1 登录模块........................................................................................................28
5.2 用户管理模块................................................................................................28
5.3 库存管理模块................................................................................................29
5.4 商品管理模块................................................................................................30
5.5 订单管理模块................................................................................................30
5.6 客户管理模块................................................................................................31
5.7 进货管理模块................................................................................................31
5.8 退货管理模块................................................................................................32
5.9 供应商管理模块............................................................................................33
第 6 章 系统功能实现...........................................................................34
6.1 登录管理模块................................................................................................34
6.2 用户管理模块................................................................................................35
6.3 库存管理模块................................................................................................36
6.4 商品管理模块................................................................................................37
6.5 订单管理模块................................................................................................38
6.6 客户管理模块................................................................................................39
6.7 进货管理模块................................................................................................40
6.8 退货管理模块................................................................................................41
