设计模式-结构篇（桥接模式）

模式定义

将抽象部分与它的实现部分分离，使它们都可以独立地变化

/**
 * Created by malei on 2016/12/5.
 * 小米电视
 */
public class XiaoMiTV implements  ITV{
    @Override
    public void on() {
        System.out.println("打开电视");
    }

    @Override
    public void setChannel(int a) {
        System.out.println("选择频道 = "+a);
    }

    public static void main(String[] args){
        ITV itv = new XiaoMiTV();
        XiaoMiControl control = new XiaoMiControl(itv);
        control.turnOn();
        control.setChannelKey(1);
    }
}

/**
 * Created by malei on 2016/12/5.
 * 小米遥控器
 */
public class XiaoMiControl extends AbstractControl{

    public XiaoMiControl(ITV ITV) {
        super(ITV);
    }

    public void setChannelKey(int channel) {
        System.out.println("AbstractControlImpl设置频道");
        setChannel(channel);
    }
}

/**
 * Created by malei on 2016/12/5.
 * 标准遥控器抽象
 */
public abstract class AbstractControl {

    private final ITV mITV;

    public AbstractControl(ITV ITV) {
        mITV = ITV;
    }

    public void turnOn() {
        mITV.on();
    }

    public void setChannel(int channel) {
        mITV.setChannel(channel);
    }
}

/**
 * Created by malei on 2016/12/5.
 * 标准电视机控制接口规范
 */
public interface  ITV {
    void on();
    void setChannel(int a);
}