设计模式——装饰者模式

package com.hujl.demo;

/**

 * 定义一个接口

 * @author Janrone

 * @website http://hujl.sinaapp.com

 */

public interface Worker {

    

    public void doSometing();

    

}

 

 

 

View Code

package com.hujl.demo;



/**

 * 创建一个电工类

 * @author Janrone

 * @website http://hujl.sinaapp.com

 */

public class Wireman implements Worker{

    @Override

    public void doSometing() {

        System.out.println("我是电工,负责维修电路!");

    }

}

 

 

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package com.hujl.demo;



/**

 * 创建一个清洁工类

 * @author Janrone

 * @website http://hujl.sinaapp.com

 */

public class Dustman implements Worker{

    @Override

    public void doSometing() {

        System.out.println("我是清洁工,负责打扫卫生!");

    }

}

 

package com.hujl.demo;



/**

 * 创建一个A物业公司

 * @author Janrone

 * @website http://hujl.sinaapp.com

 */

public class Aproperty implements Worker {

    

    private Worker worker;

    

    public Aproperty(Worker worker){

        this.worker=worker;

    }

    @Override

    public void doSometing() {

        // TODO Auto-generated method stub

        System.out.println("您好,A物业公司.");

        worker.doSometing();

    }

}

package com.hujl.demo;



/**

 * 创建一个B物业公司

 * @author Janrone

 * @website http://hujl.sinaapp.com

 */

public class Bproperty implements Worker {

    

    private Worker worker;



    public Bproperty(Worker worker) {

        this.worker = worker;

    }

    

    @Override

    public void doSometing() {

        // TODO Auto-generated method stub

        System.out.println("您好,B物业公司.");

        worker.doSometing();

    }

}

 

 

public class Test {

    /**

     * @param args

     */

    public static void main(String[] args) {

        //生成一个电工对象

        Wireman worker=new Wireman();

        //生成A物业公司对象

        Aproperty aproperty=new Aproperty(worker);

        aproperty.doSometing();

        ////生成B物业公司对象

        Bproperty bproperty=new Bproperty(worker);

        bproperty.doSometing();

        

    }

}