适配器模式

 

 

 

 TypeC

package com.qianfeng.adapter;

public interface TypeC {
    String getInfo();
}
-----------------------------------------
USB

package com.qianfeng.adapter;

public interface USB {
    String getInfo();
}
-------------------------------------------------
Computer.java

package com.qianfeng.adapter;

public class Computer  {
    private USB usb1;

    public void connect(USB usbDevice){
        this.usb1=usbDevice;
    }

    public void showInfo(){
        System.out.println(this.usb1.getInfo());
    }
}
--------------------------------------------------------------------
Phone.java

package com.qianfeng.adapter;

public class Phone implements TypeC{

    @Override
    public String getInfo() {
        return "这是一个手机";
    }
}
---------------------------------------------------------------------

AdapterJobMain.java

package com.qianfeng.adapter;

public class AdapterJobMain {
    //需求:
    //电脑usb接口,Type-C接口的手机连接到电脑上
    public static void main(String[] args) {
        Computer computer=new Computer();
        Phone phone=new Phone();
        //电脑通过适配器连接到了一个TypeC手机
        computer.connect(new Adapter(phone));
        computer.showInfo();
    }

}

 

 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Adapter.java

package com.qianfeng.adapter;

/**
 * 中间件:适配器
 */
public class Adapter implements USB{

    private TypeC device;

    public Adapter(TypeC device){
        this.device=device;
    }
    @Override
    public String getInfo() {
        return this.device.getInfo();
    }
}