软件需求说明书(GB856T——88) 湖南软件职业学院 Eagle 开发小组 1 引言 ............................................................................................................................................... 3 1 .1 编写目的 ................................................................................................................................. 3 1 .2 背景......................................................................................................................................... 3 1 .3 定义......................................................................................................................................... 3 1 .4 参考资料 ................................................................................................................................. 4 2 任务概述 ....................................................................................................................................... 4 2 .1 目标......................................................................................................................................... 4 2 .2 用户的特点 ............................................................................................................................. 4 2 .3 假定和约束 ............................................................................................................................. 4 3 需求规定 ....................................................................................................................................... 4 3.1 对功能的规定 ......................................................................................................................... 4 3.1.1 系统结构图……………………………………………………………………………..3 3.1.2 系统数据流图…………………………………………………………………………..3 3.1.3 UML 模型……………………………………………………………………………….3 3.2 对性能的规定 .......