学校教材订购系统（Schoolmaterialsorderingsystem）软件需求规格说明书计算081项目小组文档状态：文档编号：[]Draft[√]Released[]Modifying编撰：编撰日期：保密级别：文档版本：1.0.0软件需求规格说明书修订表编号生成版本修订人修订章节与内容修订日期11.00ALL商定初步分工11/08/201021.01ALL明确详细分工11/11/201031.02ALL3.功能性需求分类13/11/201041.03ALL4.非功能性需求分类15/11/201052.00PAGE2OF17软件需求规格说明书审批记录版本审批人审批意见审批日期1.0.0PAGE3OF17软件需求规格说明书目录1.引言.................................................................................51.1目的、小组成员以及预期读者........................................................51.2适用范围..........................................................................51.3参考资料..........................................................................51.4术语和缩略语......................................................................62.系统概述.............................................................................62.1产品描述..........................................................................62.2产品功能..........................................................................73.功能性需求分类.......................................................................83.1系统数据流图（DFD）..............................................................83.2学校教材购销系统DFD.............................................................83.3学校教材购销系统一级数据流图....................................................103.4学校教材购销系统二级数据流图....................................................113.5功能描述1......................................................................123.6功能描述2......................................................................133.7输入项目........................................................................133.8输出项目.......................................................................134.产品的非功能性需求..................................................................134.1外部接口说明.....................................................................134.1.1用户接口.......................................................................134.1.2软件接口.......................................................................134.2性能需求.........................................................................134.2.1硬件的限制.....................................................................144.3属性.............................................................................144.3.1友好性.........................................................................144.3.2安全性.........................................................................144.3.3可维护性.......................................................................144.3.4可转移/换性....................................................................144.5其他需求.........................................................................144.5.1用户操作需求...................................................................145.E-R图、数据流描述和数据字典抽取....................................................145.1E-R图...........................................................................145.2数据流描述......................................................................165.3数据字典....................
