package com.lp.ecjtu.patten.decorator;public interface Component {public void Operation();
}

package com.lp.ecjtu.patten.decorator;public class ConcreteComponent implements Component {@Overridepublic void Operation() {//写相关的业务代码
    }
}

package com.lp.ecjtu.patten.decorator;public class Decorator implements Component{//体现了聚合关系，Decorator是整体，Component部分，Decorator由Component聚合而成private Component component;//数据类型为Component的属性public Decorator(Component component){//构造方法传入Component组件this.component = component;}public Decorator(){}@Overridepublic void Operation() {// TODO Auto-generated method stubcomponent.Operation();//增强功能
    }}

package com.lp.ecjtu.patten.decorator;public class ConcreteDecoratorA extends Decorator {@Overridepublic void Operation() {// TODO Auto-generated method stubsuper.Operation();}
}package com.lp.ecjtu.patten.decorator;public class ConcreteDecoratorB extends Decorator {@Overridepublic void Operation() {// TODO Auto-generated method stubsuper.Operation();}
}

package com.lp.ecjtu.patten.decorator1;
/*** 抽象构件* @author Administrator**/
public interface Person {public void coding();
}

package com.lp.ecjtu.patten.decorator1;
/*** 具体提构件类，要接收附加责任的类，程序员* @author Administrator**/
public class Employee implements Person {@Overridepublic void coding() {System.out.println("程序员加班写程序，写程序啊，最终写完了项目。。。。");}}

package com.lp.ecjtu.patten.decorator1;
/*** 装饰类* @author Administrator**/
public class Decorator implements Person{private Person Person;public Decorator(Person Person){}@Overridepublic void coding() {Person.coding();}}

package com.lp.ecjtu.patten.decorator1;
/*** 具体装饰类，项目经理A职责* @author Administrator**/
public class ManagerDecoratorA extends Decorator{private Person person;public ManagerDecoratorA(Person person) {super(person);this.person = person;}@Overridepublic void coding() {//增强父类coding方法的功能
        doEarlyWork();person.coding();}private void doEarlyWork() {System.out.println("项目经理A做需求分析");System.out.println("项目经理A做架构设计");System.out.println("项目经理A做详细设计");}}

package com.lp.ecjtu.patten.decorator1;
/*** 具体装饰类，项目经理B* @author Administrator**/
public class ManagerDecoratorB extends Decorator{private Person person;public ManagerDecoratorB(Person person) {super(person);this.person = person;}@Overridepublic void coding() {//增强父类coding方法的功能
        doEndWork();person.coding();}private void doEndWork() {System.out.println("项目经理B做首尾工作");}}

package com.lp.ecjtu.patten.decorator1;public class Client {/*** @param args*/public static void main(String[] args) {
//        Person employee = new Employee();//要接收户责任的对象（具体构件）
//        Person managerB = new ManagerDecoratorB(employee);//赋予程序员项目经理B的责任
//        Person managerA = new ManagerDecoratorA(managerB);//赋予程序员项目经理A的责任new ManagerDecoratorA(new ManagerDecoratorB(new Employee())).coding();;//managerA.coding();
        }}