[创建型模式] Factory

Factory.h

//

//  Factory.h

//  Factory

//

//  Created by Cheney Shen on 11-2-20.

//  Copyright 2011年 __MyCompanyName__. All rights reserved.

//



#ifndef _FACTORY_H_

#define _FACTORY_H_



class Product;



class Factory

{

    public:

    virtual ~Factory();

    

    virtual Product* CreateProduct()=0;

    

    protected:

    Factory();

    

    private:

    

};



class ConcreteFactory:public Factory

{

    public:

    

    ~ConcreteFactory();

    

    ConcreteFactory();

    

    Product* CreateProduct();

    

    protected:

    

    private:

    

};



#endif //~_FACTORY_H_

Factory.cpp

//

//  Factory.cpp

//  Factory

//

//  Created by Cheney Shen on 11-2-20.

//  Copyright 2011年 __MyCompanyName__. All rights reserved.

//



#include "Factory.h"

#include "Product.h"



#include <iostream>

using namespace std;



Factory::Factory()

{

    

}



Factory::~Factory()

{

    

}



ConcreteFactory::ConcreteFactory()

{

    cout<<"ConcreteFacotry..."<<endl;

}



ConcreteFactory::~ConcreteFactory()

{

    

}



Product* ConcreteFactory::CreateProduct()

{

    return new ConcreteProduct();

}

Product.h

//

//  Product.h

//  Factory

//

//  Created by Cheney Shen on 11-2-20.

//  Copyright 2011年 __MyCompanyName__. All rights reserved.

//



#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_H_

Product.cpp

//

//  Product.cpp

//  Factory

//

//  Created by Cheney Shen on 11-2-20.

//  Copyright 2011年 __MyCompanyName__. All rights reserved.

//



#include "Product.h"



#include <iostream>

using namespace std;



Product::Product()

{

    

}



Product::~Product()

{

    

}



ConcreteProduct::ConcreteProduct()

{

    cout<<"ConcreteProduct..."<<endl;

}



ConcreteProduct::~ConcreteProduct()

{

    

}

main.cpp

//

//  main.cpp

//  Factory

//

//  Created by Cheney Shen on 11-2-20.

//  Copyright 2011年 __MyCompanyName__. All rights reserved.

//



#include "Factory.h"

#include "Product.h"



#include <iostream>

using namespace std;



int main (int argc, const char * argv[]) {



    Factory* fac = new ConcreteFactory();

    Product* p = fac->CreateProduct();

    return 0;

}