纸业采购管理系统系统分析报告目录1 引言 ........................................................................41.1 编写目的 ..............................................................41.2 项目背景 ..............................................................41.3 术语定义 ..............................................................41.4 参考资料 ..............................................................42 现行系统概述 ................................................................52.1 企业进展概况 ..........................................................52.2 企业物理概况 ..........................................................52.3 企业的生产经营状况 ....................................................52.4 企业的组织机构设置 ....................................................62.5 企业的流程情况调查 ....................................................62.6 信息载体调查情况 ......................................................93 用户需求分析 ...............................................................103.1 现行系统分析 .........................................................103.1.1 典型问题 .......................................................103.1.2 采购流程分析 ...................................................113.1.2.1 企业现有采购流程 .........................................113.1.2.2 系统本期预期实现的采购流程 ...............................185.2 信息需求分析 .........................................................225.3 功能需求分析 .........................................................235.4 辅助决策需求分析 .....................................................244 逻辑模型设计 ...............................................................246.1 概念数据模型设计 .....................................................246.2 编码模型设计 .........................................................266.2.1 单据类型编码 ...................................................266.2.2 单据编码 .............
