装饰模式（二）

#include<iostream>
#include<string>
using namespace std;
class Phone{
public:virtual void receiveCall()=0;
};
class SimplePhone :public Phone{
public:void receiveCall(){
    cout << "接受来电，电话响了" << endl;
}
};
class PhoneDecorator :public Phone{
private:Phone *pho;
public:PhoneDecorator(Phone *p){
    if (p != NULL){
        pho = p;
    }
    else{
        pho = new SimplePhone();

    }
}
       void receiveCall(){
           pho->receiveCall();
       }
};
class JarPhone:public PhoneDecorator{
private:Phone *p;
public: JarPhone(Phone *p):PhoneDecorator(p) {
        // TODO Auto-generated constructor stub
    this->p = p;
}
        void receiveCall(){
        p->receiveCall();
        cout<<"接受来电,手机震动"<<endl;
    }

};
class ComplexPhone :public PhoneDecorator{
private:Phone *p;
public: ComplexPhone(Phone *p) :PhoneDecorator(p) {
    // TODO Auto-generated constructor stub
    this->p = p;
}
        void receiveCall(){
            p->receiveCall();
            cout << "接受来电,灯光闪烁" << endl;
        }

};
int main(){
    Phone *p = new SimplePhone();
    p->receiveCall();
    cout<<"Simple"<<endl;
    Phone *p1 = new JarPhone(p);
    p1->receiveCall();
    cout<<"JarPhone"<<endl;
    Phone *p2 = new ComplexPhone(p1);
    p2->receiveCall();
    cout<<"ComplexPhone"<<endl;
}