实验11:装饰模式

发布时间 2024-01-09 15:05:25作者: wardream

 


[实验任务一]:手机功能的升级

用装饰模式模拟手机功能的升级过程:简单的手机(SimplePhone)在接收来电时,会发出声音提醒主人;而JarPhone除了声音还能振动;更高级的手机(ComplexPhone)除了声音、振动外,还有灯光闪烁提示。

实验要求:

1.      提交类图;

 

 

2.      提交源代码;

#include <iostream>

using namespace std;

 

class Phone

{

public:

    virtual void receiveCall(){};

};

 

class SimplePhone:public Phone

{

public:

    virtual void receiveCall(){

        cout<<"发出声音!"<<endl;

    }

};

 

 

class PhoneDecorator:public Phone {

protected:

    Phone *phone;

 

public:

    PhoneDecorator(Phone *p)

    {

        phone=p;

    }

    virtual void receiveCall()

    {

        phone->receiveCall();

    }

};

 

 

class JarPhone:public PhoneDecorator{

public:

    JarPhone(Phone *p):PhoneDecorator(p){}

    void receiveCall()

    {

        phone->receiveCall();

        cout<<"会震动!"<<endl;

    }

};

 

class ComplexPhone:public PhoneDecorator{

public:

    ComplexPhone(Phone *p):PhoneDecorator(p){}

    void receiveCall()

    {

        phone->receiveCall();

        cout<<"会发光!"<<endl;

    }

};

 

int main()

{

    Phone *p1=new SimplePhone();

    p1->receiveCall();

    cout<<"Jarphone"<<endl;

    Phone *p2=new JarPhone(p1);

    p2->receiveCall();

    cout<<"ComplexPhone"<<endl;

    Phone *p3=new ComplexPhone(p2);

    p3->receiveCall();

    return 0;

}

 

3.注意编程规范。