控制马达向上升起并等待到达事件，当电梯到达用户请求的楼层后，电梯控制门打开，在动作序列中，电梯控制器与门对象和马达对象交互。-Control the motor up and wait for the arrival raising events, when the lift reached the user requests the floor, the elevator control doors open, the action sequences, the elevator motor

自己写的第一个php mysql 页面，不知道行不行，等待网友的验证吧，谢谢大家-Write your own first php mysql page, wondered not wait for users to verify it, thank you