软件工程课程设计《网上购物系统项目》软件设计说明书设计组学生:李 锋 20252917杨 瑞 20252935刁博宇 20252914刘鹏飞 20252923郭 靖 20252915指导老师: 刘利雄北京理工大学计算机学院2025 年 9 月目录1、引言.........................................................................................................................21.1、编写目的.......................................................................................................21.2、项目背景.......................................................................................................21.3、定义...............................................................................................................31.4、参考资料.......................................................................................................32、任务概述.................................................................................................................42.1、目标...............................................................................................................42.2、运行环境.......................................................................................................42.3、需求概述.......................................................................................................52.4、条件与限制...................................................................................................53、总体设计.................................................................................................................53.1、处理流程.......................................................................................................53.2、总体设计和模块外部设计..........................................................................83.3、功能分配....................................................................................................104、接口设计...............................................................................................................114.1、外...