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## 1.实验目的 | ||
1.理解状态建模; | ||
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2.掌握UML状态图的画法; | ||
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3.掌握状态之间的转变。 | ||
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## 2.实验内容 | ||
1.找出剪发美发预约系统中最重要的对象; | ||
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2.在状态图上画出对象的所有状态; | ||
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3.在状态图上画出状态之间的转变以及转变的条件。 | ||
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## 3.实验步骤 | ||
1. 找出系统中最重要的对象——订单 | ||
2. 在状态图上画出对象的四个状态: | ||
1.已预约的 | ||
2.已取消的 | ||
3.未支付的 | ||
4.已完成的 | ||
3. 根据活动图画出状态间的转变以及转变的条件 | ||
## 4.实验结果 | ||
![订单的状态图](./订单的状态图.jpg) | ||
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图一:订单的状态图 |
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