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需求分析说明书和需求规格说明书
2022-06-29 03:19:00 【se7en_q】
项目组成员在针对要开发的系统做需求调研后,就要编写对应的需求说明书。
作为软件工程师,你就得知道需求分析说明书和需求规格说明书的区别,以期在正确的时候编写正确的需求文档。
两者有何不同:
(1)面向对象上不同
需求分析说明书往往面向业务人员、用户。
需求规格说明书往往面向设计、开发人员。
(2)生成阶段不同
一般先有需求分析说明书,需求分析说明书由需求工程师编写,而后有需求规格说明书,需求规格说明书由需求分析工程师或者业务流程分析工程师、软件概要设计师编写。
在软件过程中,需求分析说明书往往是需求规格说明书的输入,根据需求分析说明书编写需求规格说明书。
(3)内容侧重点、粒度不同
需求分析说明书侧重于把系统要解决的业务逻辑、要实现的功能描述清楚,更宏观。
需求规格说明书侧重于把系统的约束、输入、输出和处理过程定义清楚,更具体。
通俗一点讲
需求分析说明书:一般是对某个市场或者是客户群来讲的,类似于调研报告,重点是体现出产品要满足哪些功能,哪些是重点、热点。
需求规格说明书:是从业务规则讲起的,细一点偏向于软件的概要设计。是从开发、测试的角度去讲产品功能,里面要包含原型界面、业务接口、活动图等
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