C++实现工厂模式

/*工厂模式：定义一个创建对象的接口，让子类决定具体实现哪个类，让类的实例化延迟到子类中。Created by Phoenix_FuliMa*/#include <iostream>using namespace std;class Product{public:virtual void display() = 0;};class Product1:public Product{public:void display(){cout<<"I am product1..."<<endl;}};class Product2:public Product{public:void display(){cout<<"I am product2..."<<endl;}};class Factory{public:virtual Product *CreateProduct() = 0;};class Factory1:public Factory{public:Product *CreateProduct(){return new Product1();}};class Factory2:public Factory{public:Product *CreateProduct(){return new Product2();}};int main(){Factory1 *fac1 = new Factory1();Factory2 *fac2 = new Factory2();Product *product1 = fac1->CreateProduct();Product *product2 = fac2->CreateProduct();product1->display();product2->display();system("pause");return 0;}