打字猴:1.700463732e+09
1700463732
1700463733 public ConcreteCommand1(){
1700463734
1700463735 super(new ConcreteReciver1());
1700463736
1700463737 }
1700463738
1700463739 //设置新的接收者
1700463740
1700463741 public ConcreteCommand1(Receiver_receiver){
1700463742
1700463743 super(_receiver);
1700463744
1700463745 }
1700463746
1700463747 //每个具体的命令都必须实现一个命令
1700463748
1700463749 public void execute(){
1700463750
1700463751 //业务处理
1700463752
1700463753 super.receiver.doSomething();
1700463754
1700463755 }
1700463756
1700463757 }
1700463758
1700463759 public class ConcreteCommand2 extends Command{
1700463760
1700463761 //声明自己的默认接收者
1700463762
1700463763 public ConcreteCommand2(){
1700463764
1700463765 super(new ConcreteReciver2());
1700463766
1700463767 }
1700463768
1700463769 //设置新的接收者
1700463770
1700463771 public ConcreteCommand2(Receiver_receiver){
1700463772
1700463773 super(_receiver);
1700463774
1700463775 }
1700463776
1700463777 //每个具体的命令都必须实现一个命令
1700463778
1700463779 public void execute(){
1700463780
1700463781 //业务处理
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