Factory Pattern（工厂模式）

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Factory Pattern（C++实现）

/*Product.h*/
#ifndef PRODUCT_H
#define PRODUCT_H
class Product
{
public:
	virtual ~Product()=0;
protected:
	Product();
private:
};


class ConcreteProduct:public Product
{
public:
	~ConcreteProduct();
	ConcreteProduct();
protected:
private:
};
#endif

/*Product.cpp*/
#include "Product.h"
#include <iostream>

Product::Product()
{
	
}

Product::~Product()
{
	
}

ConcreteProduct::ConcreteProduct()
{
	std::cout<<"ConcreteProduct..."<<std::endl;
}

ConcreteProduct::~ConcreteProduct()
{
	
}

/*Factory.h*/
#ifndef FACTORY_H
#define FACTORY_H

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

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

/*Factory.cpp*/
#include "Factory.h"
#include "Product.h"
#include <iostream>

Factory::Factory()
{
	
}

Factory::~Factory()
{
	
}

ConcreteFactory::ConcreteFactory()
{
	std::cout<<"ConcreteFactory..."<<std::endl;
}

ConcreteFactory::~ConcreteFactory()
{
	
}

Product *ConcreteFactory::CreateProduct()
{
	return new ConcreteProduct();
}

/*main.cpp*/
#include "Factory.h"
#include "Product.h"
#include <iostream>

int main()
{
	Factory *fac=new ConcreteFactory();
	Product *p=fac->CreateProduct();
	return 0;
}

Factory Pattern（工厂模式）

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原文地址：http://blog.csdn.net/tlzhatao/article/details/45422385