常见的设计模式-工厂模式

#include <iostream>
using namespace std;

class Car//车类
{
public:
    virtual void createdCar(void) = 0;
};

class BenzCar : public Car //奔驰车
{
public:
    BenzCar()
    {
        cout<<"Benz::Benz()"<<endl;
    }
    virtual void createdCar(void)
    {
        cout<<"BenzCar::createdCar()"<<endl;
    }
    ~BenzCar()
    {

    }
};

class BmwCar : public Car //宝马车
{
public:
    BmwCar()
    {
        cout<<"Bmw::Bmw()"<<endl;
    }
    virtual void createdCar(void)
    {
        cout<<"BmwCar::createdCar()"<<endl;
    }
};


class Factory//车厂
{
public:
    virtual Car* createSpecificCar(void) = 0;
};

class BenzFactory : public Factory//奔驰车厂
{
public:
    virtual Car* createSpecificCar(void)
    {
        return (new BenzCar());
    }
};

class BmwFactory : public Factory//宝马车厂
{
public:
    virtual Car* createSpecificCar(void)
    {
        return (new BmwCar());
    }
};


int main(int argc, char** argv)
{
    Factory* factory = new BenzFactory();
    Car* specificCarA = factory->createSpecificCar();
    factory = new BmwFactory();
    Car* specificCarB = factory->createSpecificCar();
    
    delete factory; delete specificCarA; delete specificCarB;
    
    return 0;
}