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# 实验三:用例建模

## 1.实验目的
1. 掌握过程建模方法
2. 掌握活动图的画法。(Activity Diagram)


## 2.实验内容
1. 把基本流程和扩展流程的动作画为操作(Action)
2. 在出现分支的操作之后使用决策(Decision)节点。


## 3.实验步骤
1. 选择初始结点Initial和结束结点Final
2. 根据用例规约中的基本流程和扩展流程添加操作Action
3. 在分支操作处添加决策结点Decision,标明判决条件
4. 按流程连接各个元素

## 4.实验结果
![实验三活动图01](./Activity01.jpg)

图1:录入装备活动图




![实验三活动图02](./Activity02.jpg)

图2:查询装备信息活动图




![实验三活动图03](./Activity03.jpg)

图3:购买装备活动图

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