Java 仓库软件总体设计说明书Software Summary Design Specification设计人:审核人:目录第一章系统概述.............................................................................................21 系统简介.................................................................................................31.1 设计目标...........................................................................................32 体系结构.................................................................................................33 设计原则.................................................................................................43.1 模块化..............................................................................................43.2 抽象.................................................................................................43.3 信息隐蔽和局部化...............................................................................43.4 模块独立...........................................................................................44 开发与应用环境........................................................................................5第二章数据字典.............................................................................................61 定义数据元素...........................................................................................62 定义数据结构...........................................................................................73 定义数据流..............................................................................................84 定义文件.................................................................................................95 定义外部项..............................................................................................96 定义加工.................................................................................................9第三章软件模块层次结构.....................................................................