第1页共22页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共22页实践项目需求文档文档编号HX200801项目代号产品v1.0项目名称XX超市进销存系统需求说明书编辑人**编辑时间2009.8.27密级高超市进销存系统需求说明书编制##日期2009.8.27审核##日期2009.8.27客户审核##日期2009.8.28第2页共22页第1页共22页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共22页批准##日期2009.8.28目录1引言............................................................................................................................................31.1项目背景.............................................................................................................................31.2编写目的.............................................................................................................................32任务概述.......................................................................................................................................42.1开发目标.............................................................................................................................42.2用户及特点.........................................................................................................................42.3假定和约束.........................................................................................................................43系统需求规定...............................................................................................................................53.1对功能的规定.....................................................................................................................53.2系统结构图.........................................................................................................................53.3业务流程图.........................................................................................................................63.4功能模块.............................................................................................................................73.4.1采购模块..................................................................................................................73.4.2销售模块..................................................................................................................93.4.3库存模块................................................................................................................113.4.4统计模块................................................................................................................144对性能的规定.............................................................................................................................164.1精度要求..........................................................................................................................164.2时间特性要求..................................................................................................................164.3灵活性要求......................................................................................................................164.4对输入输出的要求...........................................................................................................164.5故障处理要求............................................................................................
