1.引言····································································1

1.2 可行性研究的提························································1

1.3 对现有系统析···························································1

1.4 经济可行性析···························································2

1.5 技术可行性析··························································3

1.6 法律可行性析···························································3

1.7 总结··································································3

第2  

章  需求分析

2.1 对性能的定···························································4

2.2 电梯置·······························································4

2.3 电梯运行制···························································4

2.4 运行环定·····························································5

第3  

章  详细设计

3.1 

 

需求规定 ···························································6

3.2 

 

接口设计 ···························································6

3.3 

 

运行设计 ···························································6

3.4

 

系统数据结构设计 ···················································8

3.5 系统出错处理设计··················································`8

3.6  

 

系统维护设计 ·····················································`8

3.7 类，对象，属性，操作，封装，接口，构件，包，以及泛化

多态性和关联关系··················································8

3. 8 对象模型··························································9

3.9 

  

动态模型 ························································9

3