工厂模式(一)-简单工厂模式(C++实现)

#include <stdio.h>
#include <iostream>
using namespace std;

//定义鞋子的类型
enum ShoesType
{
	ShoesA=0,
	ShoesB=1
};
//定义鞋子的虚基类
class BaseShoes
{
public:
	virtual void Show() = 0;
};

//A类男鞋
class ManShoesA:public BaseShoes
{
public:
	void Show()
	{
		cout <<"This is ManShoes A"<<endl;
	}
};
//B类男鞋
class ManShoesB:public BaseShoes
{
public:
	void Show()
	{
		cout <<"This is ManShoes B"<<endl;
	}
};

//工厂类，用于生产鞋子
class ShoesFactory
{
public:
	BaseShoes* ProduceShoes(ShoesType st)
	{
		if (st == ShoesA)
		{
			return new ManShoesA();
		}
		else if (st == ShoesB)
		{
			return new ManShoesB();
		}
		else
		{
			return NULL;
		}
	}
};
int main()
{
	ShoesFactory factory;
	ShoesType st = ShoesA;
	BaseShoes *pbs = factory.ProduceShoes(st);
	pbs->Show();
	st = ShoesB;
	pbs = factory.ProduceShoes(st);
	pbs->Show();
	system("pause");
	return 0;
}