您的位置:首页 > 其它

设计模式学习-----抽象工厂模式

2012-12-11 14:18 260 查看
抽象工厂模式
GOOD:定义了一个创建一系列相关或相互依赖的接口,而无需指定它们的具体类。

用于交换产品系列,如ACCESS->SQLSERVER;

产品的具体类名被具体工厂的实现分离



#include <string>
#include <iostream>
#include <vector>
using namespace std;

//用户抽象接口
class IUser
{
public :
	virtual void GetUser()=0;
	virtual void InsertUser()=0;
};

//部门抽象接口
class IDepartment
{
public:
	virtual void GetDepartment()=0;
	virtual void InsertDepartment()=0;
};

//ACCESS用户
class CAccessUser : public IUser
{
public:
	virtual void GetUser()
	{
		cout<<"Access GetUser"<<endl;
	}
	virtual void InsertUser()
	{
		cout<<"Access InsertUser"<<endl;
	}
};

//ACCESS部门
class CAccessDepartment : public IDepartment
{
public:
	virtual void GetDepartment()
	{
		cout<<"Access GetDepartment"<<endl;
	}
	virtual void InsertDepartment()
	{
		cout<<"Access InsertDepartment"<<endl;
	}
};

//SQL用户
class CSqlUser : public IUser
{
public:
	virtual void GetUser()
	{
		cout<<"Sql User"<<endl;
	}
	virtual void InsertUser()
	{
		cout<<"Sql User"<<endl;
	}
};

//SQL部门类
class CSqlDepartment: public IDepartment
{
public:
	virtual void GetDepartment()
	{
		cout<<"sql getDepartment"<<endl;
	}
	virtual void InsertDepartment()
	{
		cout<<"sql insertdepartment"<<endl;
	}
};

//抽象工厂
class IFactory
{
public:
	virtual IUser* CreateUser()=0;
	virtual IDepartment* CreateDepartment()=0;
};

//ACCESS工厂
class AccessFactory : public IFactory
{
public:
	virtual IUser* CreateUser()
	{
		return new  CAccessUser();
	}
	virtual IDepartment* CreateDepartment()
	{
		return new CAccessDepartment();
	}
};

//SQL工厂
class SqlFactory : public IFactory
{
public:
	virtual IUser* CreateUser()
	{
		return new  CSqlUser();
	}

	virtual IDepartment* CreateDepartment()
	{
		return new CSqlDepartment();
	}
};

//客户端:
int main()
{
	IFactory* factory= new SqlFactory();
	IUser* user=factory->CreateUser();
	IDepartment* depart = factory->CreateDepartment();
	user->GetUser();
	depart->GetDepartment();
	return 0;
}

//转载请注明,文章来自:http://blog.csdn.net/windows_nt
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: