C#设计模式之工厂模式

把创建对象的事情 封装起来

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace DesignPytternDemo{    /// 
    /// 简单工厂    /// 
    public interface IFood    {         int Price { get; }    }    public class Orange : IFood    {        public Orange()      来&[email protected]!ma.com搞$代^码%网  {            Console.WriteLine("orange created");        }        public int Price        {            get            {                return 1;            }        }    }    public class Rice : IFood    {        public Rice()        {            Console.WriteLine("rice created");        }        public int Price        {            get            {                return 3;            }        }    }    public static class FoodFactory    {        public static IFood CreateFood(string foodType)        {            IFood f = null;            switch (foodType)            {                case "o":                    f = new Orange();                    break;                case "r":                    f = new Rice();                    break;                default:                    break;            }            return f;        }    }    /// 
    /// 抽象工厂    /// 
    public interface IActionGame    {    }    public class Kof : IActionGame    {        public Kof()        {            Console.WriteLine("Kof created");        }    }    public class War3 : IActionGame    {        public War3()        {            Console.WriteLine("War3 created");        }    }    public class Cs : IActionGame    {        public Cs()        {            Console.WriteLine("Cs created");        }    }    public interface IRPG    {    }    public class menghuan : IRPG    {        public menghuan()        {            Console.WriteLine("menghuan created");        }    }    public class Legend : IRPG    {        public Legend()        {            Console.WriteLine("Legend created");        }    }    public class Diablo : IRPG    {        public Diablo()        {            Console.WriteLine("Diablo created");        }    }    public abstract class GameFactory    {        public abstract IActionGame CreateActionGame();        public abstract IRPG CreateRpgGame();    }    public class MyGameFactory : GameFactory    {        public override IActionGame CreateActionGame()        {            return new Kof();        }        public override IRPG CreateRpgGame()        {            return new Legend();        }    }}

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