购物网站概要设计说明书1 引言.................................................................21。1 编写目的.......................................................21。2 背景...........................................................21。3 定义...........................................................51.4 参考资料........................................................72 总体设计.............................................................72。1 需求规定.......................................................72。2 运行环境.......................................................82。3 基本设计概念和处理流程.........................................82。4 结构..........................................................122.5 功能需求与程序的关系...........................................152。6 人工处理过程..................................................152。7 尚未问决的问题................................................153 接口设计............................................................153.1 用户接口.......................................................153.2 外部接口.......................................................163。3 内部接口......................................................164 运行设计............................................................164。1 运行模块组合..................................................164。2 运行控制......................................................164。3 运行时间......................................................165 系统数据结构设计....................................................175。1 逻辑结构设计要点..............................................175。2 物理结构设计要点..............................................175.3 数据结构与程序的关系...........................................206 系统出错处理设计....................................................216。1 出错信息......................................................216.2 补救措施.........................................................