Factory Method工厂方法C++版

#pragma once

//product.h

#ifndef PRODUCT_H

#define PRODUCT_H

#include

using namespace std;

class Product

{

public:

Product() {}

~Product(){}

virtual void name() = 0;

};

class Product1:public Product

{

public:

Product1() {}

~Product1(){}

void name() { cout << "Product1" << endl; }

};

class Product2:public Product

{

public:

Product2() {}

~Product2(){}

void name() { cout << "Product2" << endl; }

};

#endif // !PRODUCT_H

#pragma once

//factory.h

#ifndef FACTORY_H

#define FACTORY_H

#include "product.h"

class Factory

{

public:

Factory() {}

~Factory(){}

virtual Product* Create() = 0;

};

class ConcreteFactory1 :public Factory

{

public:

ConcreteFactory1() {}

~ConcreteFactory1() {}

Product*Create() { return new Product1; }

};

class ConcreteFactory2 :public Factory

{

public:

ConcreteFactory2() {}

~ConcreteFactory2() {}

Product*Create() { return new Product2; }

};

#endif // !FACTORY_H

//main.cpp

#include

#include "factory.h"

int main()

{

cout << "生产开始"<< endl;

Factory* pFactory1 = new ConcreteFactory1();

Product* pProduct1 = pFactory1->Create();

pProduct1->name();

Factory* pFactory2 = new ConcreteFactory2();

Product* pProduct2 = pFactory2->Create();

pProduct2->name();

delete pFactory1;

pFactory1 = NULL;

delete pFactory2;

pFactory2 = NULL;

system("pause");

return 0;

}

（编辑：李大同）

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