需求文档说明书一、前言....................................................71.1 项目介绍...............................................71。2 名词解释..............................................71.3 参考资料...............................................8二、需求概述................................................8三、用户特点................................................83。1 用户用例图............................................83.2 适用人群...............................................9四、假定和约束..............................................8五、需求规定................................................85.1 对功能的规定...........................................85.2 对性能的规定...........................................95.3 输入输出要求...........................................95.3 数据管理能力要求.......................................95.3 故障处理要求...........................................95.3 其它专门要求...........................................9六、功能结构图..............................................96。1 功能介绍.............................................106.2 功能业务总流程图......................................10七、功能需求分析...........................................107。1 数据流图.............................................107。1。1 顶层数据流图...................................107。1.2 功能级数据流图..................................127.1.3 详细数据流图.....................................157。2 功能模块.............................................187.2。1 业务功能描述....................................187.2。2 业务流程图描述..................................187。2.3 相关角色及其执行的活动..........................187。2.4 流程涉及步骤说明................................187.2。5 功能模块流程图..................................197.2.6 流程涉及相关数据及规则...........................20八、系统使用的软件与硬件环境说明...........................428.1 核心技术................................................
