Java设计模式-命令模式（五）

command.java

package com.utstar.pattern.command;

public interface Command{
    void excute();
    void setMainBoard(MainBoard mainBoard);
}

OpenCommand.java

 

package com.utstar.pattern.command;

public class OpenCommand implements Command{
    public MainBoard myMainBoard = null;
    
    public OpenCommand(MainBoard mainboard){
        this.myMainBoard = mainboard;
    }
    public void setMainBoard(MainBoard my){
        this.myMainBoard = my;
    }
    public void excute(){
        this.myMainBoard.open();
    }
}

ResetCommand.java

 

package com.utstar.pattern.command;

public class ResetCommand implements Command{
    private MainBoard myMainBoard = null;
    
    public void setMainBoard(MainBoard my){
        this.myMainBoard = my;
    }
    public void excute(){
        this.myMainBoard.Reset();
    }
}

MainBorad.java

 

package com.utstar.pattern.command;

public interface MainBoard{
    void open();
    void Reset();
}

GigaMainBoard.java

 

package com.utstar.pattern.command;

public class GigaMainBoard implements MainBoard{
    public void open(){
        System.out.println("技嘉主板启动中……");
        System.out.println("主板加电……");
        System.out.println("主板检测……");
        System.out.println("主板加载……");
        System.out.println("欢迎使用技嘉主板……");
    }
    public void Reset(){
        System.out.println("重启中……");
    }
}

MsiMainBoard.java

 

package com.utstar.pattern.command;

public class MsiMainBoard implements MainBoard{
    public void open(){
        System.out.println("微星主板启动中……");
        System.out.println("主板加电……");
        System.out.println("主板检测……");
        System.out.println("主板加载……");
        System.out.println("欢迎使用微星主板……");
    }
    public void Reset(){
        System.out.println("重启中……");
    }
}

Box.java

 

package com.utstar.pattern.command;

public class Box{
    public Command command1 = null;
    public Box(Command com){
        this.command1 = com;
    }
    public void pressButton(){
        this.command1.excute();
    }
}

Testcommand.java

 

package com.utstar.pattern.command;

public class TestCommandPattern{
    public static void main(String args[]){
        MainBoard myMainBoard = new GigaMainBoard();
        Command myCommand = new OpenCommand(myMainBoard);
        Box myBox = new Box(myCommand);
        myBox.pressButton();
        
        myMainBoard = new MsiMainBoard();
        myCommand.setMainBoard(myMainBoard);
        myBox.pressButton();
    }
}