设计模式---抽象工厂模式

来源：互联网发布：数控编程指令g代码编辑：程序博客网时间：2024/06/05 05:58

提供一个创建一系列相关或相互依赖对象的接口，而无需指定它们具体的类

#include<iostream>

using namespace std;

class User
{
   private:
       int id;
       string name;
   public:
       int GetId()
       {
           return id;
       }
       void SetId(int _id)
       {
           this->id = _id;
       }
       string GetName()
       {
           return name;
       }
       void SetName(string name)
       {
           this->name = name;
       }

};
class Department
{
   private:
       int id;
       string name;
   public:
       int GetId()
       {
           return id;
       }
       void SetId(int _id)
       {
           this->id = _id;
       }
       string GetName()
       {
           return name;
       }
       void SetName(string name)
       {
           this->name = name;
       }

};

class IUser
{
   public:

   virtual void Insert(User *user){}
   virtual User *GetUser(int id){}
};

class SqlserverUser:public IUser
{
   public:
       void Insert(User *user)
       {
           cout<<"sql server sheet user insert"<<endl;
       }
       User *GetUser(int id)
       {
           cout<<"sql server sheet user insert"<<endl;
           return NULL;
       }

};
class AccessUser:public IUser
{
   public:
       void Insert(User *user)
       {
           cout<<"access sheet user insert"<<endl;
       }
       User *GetUser(int id)
       {
           cout<<"access sheet user insert"<<endl;
           return NULL;
       }

};

class IDepartment
{
   public:
   virtual void Insert(Department *department) {}
   virtual Department *GetDepartment(int id){}

};
class SqlserverDepartment:public IDepartment
{
   public:
       void Insert(Department *user)
       {
           cout<<"sql server sheet Department insert"<<endl;
       }
       Department *GetDepartment(int id)
       {
           cout<<"sql server sheet Department insert"<<endl;
           return NULL;
       }

};
class AccessDepartment:public IDepartment
{
   public:
       void Insert(Department *user)
       {
           cout<<"access sheet Department insert"<<endl;
       }
       Department *GetDepartment(int id)
       {
           cout<<"access sheet Department insert"<<endl;
           return NULL;
       }

};

class IFactory
{
   public:
   virtual IUser *CreateUser(){}
   virtual IDepartment *CreateDepartment(){}
};

class SqlServerFactory:public IFactory
{
   public:
       IUser *CreateUser()
       {
           return new SqlserverUser();
       }
       IDepartment *CreateDepartment()
       {
           return new SqlserverDepartment();
       }
};

class AccessFactory:public IFactory
{
   public:
       IUser *CreateUser()
       {
           return new AccessUser();
       }
       IDepartment *CreateDepartment()
       {
           return new AccessDepartment();
       }
};

int main()
{
   User *user = new User();
   Department *dept = new Department();

   IFactory *fact= new AccessFactory();

   IUser *iu = fact->CreateUser();
   iu->Insert(user);
   iu->GetUser(1);

   IDepartment *id = fact->CreateDepartment();
   id->Insert(dept);
   id->GetDepartment(1);

   return 0;
}

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