抽象工厂模式
抽象工厂模式:提供了创建一系列相关或互相依赖对象的接口,而无须指定它们具体的类。
using System; using System.Collections.Generic; using System.Text; namespace 抽象工厂模式 { class Program { static void Main(string[] args) { User user = new User(); Department dept = new Department(); //AbstractFactory factory = new SqlServerFactory(); IFactory factory = new AccessFactory(); IUser iu = factory.CreateUser(); iu.Insert(user); iu.GetUser(1); IDepartment id = factory.CreateDepartment(); id.Insert(dept); id.GetDepartment(1); Console.Read(); } } class User { private int _id; public int ID { get { return _id; } set { _id = value; } } private string _name; public string Name { get { return _name; } set { _name = value; } } } class Department { private int _id; public int ID { get { return _id; } set { _id = value; } } private string _deptName; public string DeptName { get { return _deptName; } set { _deptName = value; } } } interface IUser { void Insert(User user); User GetUser(int id); } class SqlserverUser : IUser { public void Insert(User user) { Console.WriteLine("在Sqlserver中给User表增加一条记录"); } public User GetUser(int id) { Console.WriteLine("在Sqlserver中根据ID得到User表一条记录"); return null; } } class AccessUser : IUser { public void Insert(User user) { Console.WriteLine("在Access中给User表增加一条记录"); } public User GetUser(int id) { Console.WriteLine("在Access中根据ID得到User表一条记录"); return null; } } interface IDepartment { void Insert(Department department); Department GetDepartment(int id); } class SqlserverDepartment : IDepartment { public void Insert(Department department) { Console.WriteLine("在Sqlserver中给Department表增加一条记录"); } public Department GetDepartment(int id) { Console.WriteLine("在Sqlserver中根据ID得到Department表一条记录"); return null; } } class AccessDepartment : IDepartment { public void Insert(Department department) { Console.WriteLine("在Access中给Department表增加一条记录"); } public Department GetDepartment(int id) { Console.WriteLine("在Access中根据ID得到Department表一条记录"); return null; } } interface IFactory { IUser CreateUser(); IDepartment CreateDepartment(); } class SqlServerFactory : IFactory { public IUser CreateUser() { return new SqlserverUser(); } public IDepartment CreateDepartment() { return new SqlserverDepartment(); } } class AccessFactory : IFactory { public IUser CreateUser() { return new AccessUser(); } public IDepartment CreateDepartment() { return new AccessDepartment(); } } }
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