目录1。项目背景.................................................................................................................................................................21.1 选题背景 ..................................................................... 1 1.2 系统目标和实现技术 ........................................................... 2 2 需求分析 ................................................................................................................................................................... 2 2。1 业务流程分析 ................................................................ 2 2.1.1、原材料购进入库业务流程 ....................................................................................................................... 2 2.1。2、原材料加工业务流程 ........................................................................................................................... 2 2.1。3、商品出售业务流程 ............................................................................................................................... 2 2.2 数据流程分析 ................................................................. 3 2。3 数据字典 .................................................................... 3 2.3.1、数据流 .................................................................................................................................................... 3 2。3。2、逻辑处理 ........................................................................................ Error: Reference source not found 2。3。3、数据存储 ............................................................................................................................................ 7 2.3。4、外部实体 .......................................................................................... Error: Reference source not found 3 概念结构设计 ..................................................................................
