[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。