设计模式（java版）——结构型——适配器模式

项目源码已提交github：https://github.com/ckl001/designPattem_java

package com.Ljava.design.pattem.structural.adapter.singleEg;

/**
 * @Auther 20173
 * @Date 2019-4-9 11:58
 * @Des 交流电 220V
 **/
public class AC220 {

    public int outputAC220V(){
        int output = 220;
        System.out.println("输出交流电" + output + "V");
        return output;
    }

}

package com.Ljava.design.pattem.structural.adapter.singleEg;

/**
 * 直流电 5V
 */
public interface DC5 {
    int outputDC5V();
}

``package com.Ljava.design.pattem.structural.adapter.singleEg;

/**
 * @Auther 20173
 * @Date 2019-4-9 12:10
 * @Des 电流适配器
 **/
public class PowerAdapter implements DC5{

    public AC220 ac220 = new AC220();

    /**
     * 220V 交流电转 5V直流电
     * @return
     */
    @Override
    public int outputDC5V() {
        int adapterInput = ac220.outputAC220V();
        int adapterOutput = adapterInput / 44;
        System.out.println("使用PowerAdapter输入AC:"+adapterInput+"V"+"输出DC:"+adapterOutput+"V");
        return adapterOutput;
    }
}

package com.Ljava.design.pattem.structural.adapter.singleEg;

/**

@Auther 20173
@Date 2019-4-9 12:13
@Des TODO
**/
public class Test {

public static void main(String[] args) {
DC5 dc5 = new PowerAdapter();
dc5.outputDC5V();
}
}

-----------------------------------------------------------------------------
对象适配

package com.Ljava.design.pattem.structural.adapter.objectadapter;

/**

@Auther 20173
@Date 2019-4-9 14:22
@Des 目标方法 – 接口
**/
public interface Target {
void request();
}

package com.Ljava.design.pattem.structural.adapter.objectadapter;

/**

@Auther 20173
@Date 2019-4-9 14:27
@Des 当前目标方法
**/
public class ConcreteTarget implements Target {
@Override
public void request() {
System.out.println(“concreteTarget目标方法”);
}
}

package com.Ljava.design.pattem.structural.adapter.objectadapter;

/**

@Auther 20173
@Date 2019-4-9 14:20
@Des 被适配者
**/
public class Adaptee {

public void adapterRequest(){
System.out.println(“被适配者的方法！”);
}
}

package com.Ljava.design.pattem.structural.adapter.objectadapter;

/**

@Auther 20173
@Date 2019-4-9 14:22
@Des 适配器
**/
public class Adapter implements Target {
private Adaptee adaptee = new Adaptee();
@Override
public void request() {
adaptee.adapterRequest();
}
}

package com.Ljava.design.pattem.structural.adapter.objectadapter;

/**

@Auther 20173
@Date 2019-4-9 14:27
@Des TODO
**/
public class Test {

public static void main(String[] args) {
Target target = new ConcreteTarget();
target.request();
```
 Target adapterTarget = new Adapter();
 adapterTarget.request();
```
}
}

----------------------------------------------------------------------------
类适配

package com.Ljava.design.pattem.structural.adapter.classadapter;

/**

@Auther 20173
@Date 2019-4-9 14:22
@Des 目标方法 – 接口
**/
public interface Target {
void request();
}

package com.Ljava.design.pattem.structural.adapter.classadapter;

/**

@Auther 20173
@Date 2019-4-9 14:27
@Des 当前目标方法
**/
public class ConcreteTarget implements Target {
@Override
public void request() {
System.out.println(“concreteTarget目标方法”);
}
}

package com.Ljava.design.pattem.structural.adapter.classadapter;

/**

@Auther 20173
@Date 2019-4-9 14:20
@Des 被适配者
**/
public class Adaptee {

public void adapterRequest(){
System.out.println(“被适配者的方法！”);
}
}

package com.Ljava.design.pattem.structural.adapter.classadapter;

/**

@Auther 20173
@Date 2019-4-9 14:22
@Des 适配器
**/
public class Adapter extends Adaptee implements Target{
@Override
public void request() {
super.adapterRequest();
}
}

package com.Ljava.design.pattem.structural.adapter.classadapter;

/**

@Auther 20173
@Date 2019-4-9 14:27
@Des TODO
**/
public class Test {

public static void main(String[] args) {
Target target = new ConcreteTarget();
target.request();
```
 Target adapterTarget = new Adapter();
 adapterTarget.request();
```
}
}

设计模式（java版）——结构型——适配器模式

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