目 录 1 . 简介 ......................................................................................................................... 2 1 .1 目的 ................................................................................................................... 2 1 .2 范围 ................................................................................................................... 2 1 .3 定义、首字母缩写词和缩略语 ........................................................................... 2 1 .4 参考资料 ............................................................................................................ 2 2 . 概述 ......................................................................................................................... 3 3 . 构架目标和约束： .................................................................................................... 3 4 . 系统分析 .................................................................................................................. 3 4 .1 开发背景 ............................................................................................................ 3 4 .2 可行性分析 ........................................................................................................ 4 4 .3 需求分析 ............................................................................................................ 4 5 . 系统整体构架 ........................................................................................................... 8 5 .1 体系结构概述 .................................................................................................... 8 5 .1 .1 多层体系架构 .............................................................................................. 8 5 .1 .2 信息系统架构总体视图 .................................................. 错误！未定义书签。 5 .2 关键技术设计 .............................................
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