简单工厂模式

#include <iostream>
#include <string.h>
#include <memory>
using namespace std;
/******简单工厂******/
/*
1、工厂的创建
2、虚拟产品的创建
3、具体产品的创建
*/
class Abstract{
public:
	Abstract(){};
	~Abstract(){};
	virtual void printname() = 0;
	virtual void play() = 0;
};
class basketball:public Abstract{
public:
	basketball(){};
	~basketball(){};
	virtual void printname(){
		cout << "im basketball" << endl;
	};
	virtual void play(){
		cout << "play basketball" << endl;
	};
};
class football :public Abstract{
public:
	football(){};
	~football(){};
	virtual void printname(){
		cout << "im football" << endl;
	};
	virtual void play(){
		cout << "play football" << endl;
	};
};
class Factory{
public:
	Factory(){};
	virtual ~Factory(){};
	
	Abstract* createmode(string s){
		Abstract* pro=NULL;
		if (s=="basketball"){
			pro = new basketball;
		}
		else if (s == "football"){
			pro = new football;
		}
		return pro;
	}
};