结构化系统开发方法的特点

2025-03-13 23:29:44
推荐回答(1个)
回答1:

1. 自顶向下整体地进行分析与设计和自底向上逐步实施的系统开发过程:在系统规划、分析与设计时,从整体全局考虑,自顶向下地工作;在系统实施阶段则根据设计的要求,先编制一个个具体的功能模块,然后自底向上逐步实现整个系统。
2. 用户至上是影响成败的关键因素,整个开发过程中,要面向用户,充分了解用户的需求与愿望。
3. 符合实际,客观性和科学化,即强调在设计系统之前,深入实际,详细地调查研究,努力弄清实际业务处理过程的每一个细节,然后分析研究,制定出科学合理的目标系统设计方案。
4. 严格区分工作阶段,把整个开发过程划分为若干工作阶段,每一个阶段有明确的任务和目标、预期达到的工作成效,以便计划和控制进度,协调各方面的工作。前一阶段的工作成果是后一阶段的工作依据。
5. 充分预料可能发生的变化:环境变化、内部处理模式变化、用户需求变化。
6. 开发过程工程化,要求开发过程的每一步都要按工程标准规范化,工作文体或文档资料标准化。

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