C++设计模式之工厂模式

//产品父类声明
#pragma once
#include "iostream"
using namespace std;
class Product
{
public:
    virtual void PrintfName();
    Product(void);
    ~Product(void);
};

//产品A类
#pragma once
#include "product.h"
class ProductA :
    public Product
{
public:
    virtual void PrintfName();
    ProductA(void);
    ~ProductA(void);
};

#include "ProductA.h"

ProductA::ProductA(void)
{
}

ProductA::~ProductA(void)
{
}
void ProductA::PrintfName()
{

    cout<<"This is ProductA"<<endl;
}

//产品B类
#pragma once
#include "Product.h"
class ProductB :
    public Product
{
public:
    virtual void PrintfName();
    ProductB(void);
    ~ProductB(void);
};

#include "ProductB.h"

ProductB::ProductB(void)
{
}
ProductB::~ProductB(void)
{
}
void ProductB::PrintfName()
{
    cout<<"This is ProductB"<<endl;

}

//创建父类声明
#pragma once
#include "Product.h"
class Creator
{
public:
    virtual Product* GetProduct()=;
    Creator(void);
    ~Creator(void);
};

////产品A的创建
#pragma once
#include "ProductA.h"
#include "creator.h"
class CreatorA:
    public Creator
{
public:
    virtual ProductA* GetProduct();
    CreatorA(void);
    ~CreatorA(void);
};

#include "CreatorA.h"

CreatorA::CreatorA(void)
{
}

ProductA* CreatorA::GetProduct()
{
    return (new ProductA());

}
CreatorA::~CreatorA(void)
{
}

//产品B的创建
#pragma once
#include "creator.h"
#include "ProductB.h"
class CreatorB :
    public Creator
{
public:
    virtual ProductB* GetProduct();
    CreatorB(void);
    ~CreatorB(void);
};

#include "CreatorB.h"

CreatorB::CreatorB(void)
{
}

CreatorB::~CreatorB(void)
{
}
ProductB *CreatorB::GetProduct()
{

return (new ProductB());
}

// Factory.cpp : 定义控制台应用程序的入口点。
//工厂模式调用

#include "stdafx.h"
#include "Creator.h"
#include "CreatorA.h"
#include "CreatorB.h"
#include "ProductA.h"
#include "ProductB.h"
int _tmain(int argc, _TCHAR* argv[])
{
    Creator* ca=new CreatorA();
    Creator* cb=new CreatorB();
    Product* pa=ca->GetProduct();
    Product* pb=cb->GetProduct();
    pa->PrintfName();
    pb->PrintfName();
    getchar();
    delete ca;
    delete cb;
    delete pa;
    delete pb;
    return ;
}

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