第9章 需求开发................................................................................................................... 1
9.1 介绍................................................................................................................................ 1
9.2 用户需求调查................................................................................................................. 2
9.2.1 目的..........................................................................................................................2
9.2.2 角色与职责.............................................................................................................. 2
9.2.3 启动准则..................................................................................................................2
9.2.4 输入..........................................................................................................................3
9.2.5 主要步骤..................................................................................................................3
[Step1] 准备...........................................................................................................3
[Step2] 调查与记录................................................................................................3
[Step3] 分析需求信息............................................................................................3
[Step4] 撰写用户需求说明书.................................................................................3
[后续活动:需求确认]..........................................................................................4
9.2.6 输出..........................................................................................................................4
9.2.7 结束准则..................................................................................................................4
9.2.8 度量..........................................................................................................................4
9.3 产品需求定义................................................................................................................. 4
9.3.1 目的..........................................................................................................................4
9.3.2 角色与职责.............................................................................................................. 4
9.3.3 启动准则..................................................................................................................4
9.3.4 输入..........................................................................................................................5
9.3.5 主要步骤..................................................................................................................5
[Step1] 细化并分析用户需求.................................................................................5
[Step2] 撰写产品需求规格说明书.........................................................................5
[后续活动:需求确认]..........................................................................................5
9.3.6 输出..........................................................................................................................5
9.3.7 结束准则..................................................................................................................6
9.3.8 度量..........................................................................................................................6
9.4 需求分析方法概述.........................................................................................................6
9.4.1 问答分析法.............................................................................................................. 6
9.4.2 建模分析法.............................................................................................................. 7
一、结构化分析法.................................................................................................7
二、面向对象分析法.............................................................................................7
三、恰当地使用图形符号.....................................................................................8
9.5 实施建议........................................................................................................................ 8