抽象工厂模式

一、相关介绍

1、抽象工厂模式提供一个创建一系列相关或者相互依赖对象的接口，而无需指定它们具体的类。

2、UML图

3、所属类别：创建型

二、C++程序

// 抽象工厂模式.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include<iostream>
using namespace std;

//linux系列产品
class linux
{
public:
    linux(){}
    virtual ~linux(){}
    virtual void show_price()=0;
};

//linux手机
class plinux :public linux
{
public :
    plinux()
    {
        cout<<"i am a linux phone"<<endl;
    }
    virtual ~plinux(){}
    virtual void show_price();
};

void plinux::show_price()
{
    cout<<"my price is 2000"<<endl;
}
//linux电脑
class PClinux :public linux
{
public :
    PClinux()
    {
        cout<<"i am a linux PC"<<endl;
    }
    virtual ~PClinux(){}
    virtual void show_price();
};
void PClinux::show_price()
{
    cout<<"my price is 5000"<<endl;
}

//windows系列产品
class windows
{
public:
    windows(){}
    virtual ~windows(){}
    virtual void show_price()=0;
};


//windows 手机
class pwindows :public windows
{
public :
    pwindows()
    {
         cout<<"i am a windows phone"<<endl;
    }
    virtual ~pwindows(){}
    virtual void show_price();
};

void pwindows::show_price()
{
    cout<<"my price is 1999"<<endl;
}

//windows电脑
class  PCwindows :public windows
{
public :
     PCwindows()
     {
         cout<<"i am a windows PC"<<endl;
     }
    virtual ~ PCwindows();
    virtual void show_price();
};

void  PCwindows::show_price()
{
    cout<<"my price is 4999"<<endl;
}
//工厂抽象类
class factory
{
public:
    factory(){}
    virtual~factory(){}
    virtual linux* creatlinux()=0;
    virtual windows*creatwindows()=0;
};
//手机工厂
class phonefactory:public factory
{
public:
    phonefactory(){}
    virtual~phonefactory(){}
    virtual linux* creatlinux()
    {
        return new plinux();
    }
    virtual windows* creatwindows()
    {
        return new pwindows();
    }
};
//电脑工厂
class PCfactory:public factory
{
public:
    PCfactory(){}
    virtual~PCfactory(){}
    virtual linux* creatlinux()
    {
        return new PClinux();
    }
    virtual windows* creatwindows()
    {
        return new PCwindows();
    }
};

//用户界面
int _tmain(int argc, _TCHAR* argv[])
{
    factory *phone=NULL;
    phone=new phonefactory;
    linux *phone_linux=phone->creatlinux();
    phone_linux->show_price();
    windows *phone_windows=phone->creatwindows();
    phone_windows->show_price();

    return 0;
}