设计模式之Factory模式（C++）

//Product.h
#ifndef _PRODUCT_H_
#define _PRODUCT_H_

class Product
{
public:
      virtual void ~Product();
protected:
       void Product();
private:
   
}

class ConcreteProduct:public Product
{
public:
    void ConcreteProduct();
    void ~ConcreteProduct();
protected:

private:
}
#endif //_PRODUCT_H_

//Product.cpp
#include "Product.h"
#include <iostream>
using namespace std;

void Product::Product()
{}
void Product::~Product()
{}
void ConcreteProduct::ConcreteProduct()
{}
void ConcreteProduct::~ConcreteProduct()
{}

//Factory.h
#ifndef _FACTORY_H_
#define _FACTORY_H_

class Product;
class Factory
{
public:
    virtual void ~Factory();
    virtual Product *CreateProduct() = 0; 
protected:
    void Factory();
private:
};

class ConcreteFactory:public Factory
{
public:
    void ConcreteFactory();
    void ~ConcreteFactory();
    Product * CreateProduct();
protected:
private:    
}
#endif //_FACTORY_H_

//Fatory.cpp

#include "Factory.h"
#include "Product.h"

#include <iostream>
using namespace std;

void Factory::Factory()
{}
void Factory::~Factory()
{}

void ConcreteFactory::ConcreteFactory()
{}
void ConcreteFactory::ConcreteFactory()
{}

Product ConcreteFactory::CreateProduct()
{
    ConcreteProduct cproduct = new ConcreteProduct;
    return product;
}

//main.cpp

#include "Factory.h"
#include "Product.h"

#include <iostream>
using namespace std;

int main(int argc,char *argv[])
{
    Factory *fac = new ConcreteFactory;
    Product *p = fac->CreateProduct();

    return 0;
}