c++原型模式

#include "stdafx.h"
#include <iostream>


using namespace std;


class Prototype
{
public:
virtual Prototype* clone() const = 0;
virtual int GetScore() const = 0;
virtual void SetScore(int& temp) = 0;


};


class ConcretePrototype:public Prototype
{
public:
ConcretePrototype() {}
ConcretePrototype(const ConcretePrototype& rhs);
Prototype* clone() const;
int GetScore() const;
void SetScore(int& temp);
private:
int nScore;
};


int ConcretePrototype::GetScore() const
{
return nScore;
}


ConcretePrototype::ConcretePrototype(const ConcretePrototype& rhs)
{
nScore = rhs.GetScore();
}


Prototype* ConcretePrototype::clone() const
{
return new ConcretePrototype(*this);
}


void ConcretePrototype::SetScore(int& temp)
{
nScore = temp;
}


int _tmain(int argc, _TCHAR* argv[])
{
Prototype* pPrototype = new ConcretePrototype();
int nScore(100);
pPrototype->SetScore(nScore);
Prototype* pCopy = pPrototype->clone();
int nCopyScore = pCopy->GetScore();


cout<<nCopyScore<<endl;




getchar();
return 0;
}