抽象工厂模式

#include "stdafx.h"
#include 
  
   
using namespace std;
 
//user产品族
class CUser
{
public:
	virtual ~CUser(){}
	virtual void Operator() = 0;
};

class CSqlServerUser :public CUser
{
public:
	virtual void Operator()
	{
		cout << "SqlServer的User操作！" << endl;
	}
};

class CAccessUser :public CUser
{
public:
	virtual void Operator()
	{
		cout << "Access的User操作！" << endl;
	}
};
//Department产品族
class CDepartment
{
public:
	virtual ~CDepartment(){}
	virtual void Operator() = 0;
};

class CSqlServerDepartment :public CDepartment
{
public:
	virtual void Operator()
	{
		cout << "SqlServer的Department操作！" << endl;
	}
};

class CAccessDepartment :public CDepartment
{
public :
	virtual void Operator()
	{
		cout << "Access的Department操作！" << endl;
	}
};

//抽象工厂,可以使用智能指针管理new的资源，此处为了侧重模式方法，不用
class CFactory
{
public:
	virtual ~CFactory(){}

	virtual CUser* CreateUser() = 0;
	virtual CDepartment* CreateDepartment() = 0;
};
//具体产品工厂
class CSqlServerFactory :public CFactory
{
public:
	virtual CUser* CreateUser()
	{
		return new CSqlServerUser();
	}

	virtual CDepartment* CreateDepartment()
	{
		return new CSqlServerDepartment();
	}
};

class CAccessFactory :public CFactory
{
public:
	virtual CUser* CreateUser()
	{
		return new CAccessUser();
	}

	virtual CDepartment* CreateDepartment()
	{
		return new CAccessDepartment();
	}
};
  

// AbstractFactoryPattern.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "AbstractFactory.h"


int _tmain(int argc, _TCHAR* argv[])
{
	CFactory *Factory = new CSqlServerFactory();
	//此时与具体的类型解除了依赖
	CUser *pUser = Factory->CreateUser();
	pUser->Operator();
	delete(pUser);
	CDepartment *pDep = Factory->CreateDepartment();
	pDep->Operator();
	delete(pDep);

	//
	Factory = new CAccessFactory();
	pUser = Factory->CreateUser();
	pUser->Operator();
	delete(pUser);
	pDep = Factory->CreateDepartment();
	pDep->Operator();
	delete(pDep);
	getchar();
	return 0;
}