1700473623
public void close(){
1700473624
1700473625
//do nothing;
1700473626
1700473627
}
1700473628
1700473629
//停止状态,开门,那是要的!
1700473630
1700473631
@Override
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1700473633
public void open(){
1700473634
1700473635
super.context.setLiftState(Context.openningState);
1700473636
1700473637
super.context.getLiftState().open();
1700473638
1700473639
}
1700473640
1700473641
//停止状态再运行起来,正常得很
1700473642
1700473643
@Override
1700473644
1700473645
public void run(){
1700473646
1700473647
super.context.setLiftState(Context.runningState);
1700473648
1700473649
super.context.getLiftState().run();
1700473650
1700473651
}
1700473652
1700473653
//停止状态是怎么发生的呢?当然是停止方法执行了
1700473654
1700473655
@Override
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1700473657
public void stop(){
1700473658
1700473659
System.out.println(“电梯停止了……”);
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1700473661
}
1700473662
1700473663
}
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1700473665
业务逻辑都已经实现了,我们看看怎么来模拟场景类,如代码清单26-13所示。
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1700473667
代码清单26-13 场景类
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1700473669
public class Client{
1700473670
1700473671
public static void main(String[]args){
1700473672
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