【学习笔记】设计模式之创建型模式-抽象工厂

    /// <summary>
    /// 产品1
    /// </summary>
    abstract class ProductA
    {
        public abstract void Display();
    }
    /// <summary>
    /// 产品2
    /// </summary>
    abstract class ProductB
    {
        public abstract void Display();
    }
    /// <summary>
    /// 海尔产品1
    /// </summary>
    class _1_ProductA : ProductA
    {
        public override void Display()
        {
            Console.WriteLine("_1_ProductA");
        }
    }
    /// <summary>
    /// 海尔产品2
    /// </summary>
    class _1_ProductB : ProductB
    {
        public override void Display()
        {
            Console.WriteLine("_1_ProductB");
        }
    }
    /// <summary>
    /// 格力产品1
    /// </summary>
    class _2_ProductA : ProductA
    {
        public override void Display()
        {
            Console.WriteLine("_2_ProductA");
        }
    }
    /// <summary>
    /// 格力产品2
    /// </summary>
    class _2_ProductB : ProductB
    {
        public override void Display()
        {
            Console.WriteLine("_2_ProductB");
        }
    }
    /// <summary>
    /// 工厂
    /// </summary>
    abstract class Factory
    {
        public abstract ProductA GetProductA();
        public abstract ProductB GetProductB();
    }
    /// <summary>
    /// 海尔牌工厂
    /// </summary>
    class _1_Factory : Factory
    {
        /// <summary>
        /// 生产海尔产品1
        /// </summary>
        /// <returns></returns>
        public override ProductA GetProductA()
        {
            return new _1_ProductA();
        }
        /// <summary>
        /// 生产海尔产品2
        /// </summary>
        /// <returns></returns>
        public override ProductB GetProductB()
        {
            return new _1_ProductB();
        }
    }

    /// <summary>
    /// 格力牌工厂
    /// </summary>
    class _2_Factory : Factory
    {
        /// <summary>
        /// 生产格力产品1
        /// </summary>
        /// <returns></returns>
        public override ProductA GetProductA()
        {
            return new _2_ProductA();
        }
        /// <summary>
        /// 生产格力产品2
        /// </summary>
        /// <returns></returns>
        public override ProductB GetProductB()
        {
            return new _2_ProductB();
        }
    }
    static void Main(string[] args)
        {
           Factory factory = new _1_Factory();  //选择海尔工厂（通过映射，可配置。）
            ProductA productA = factory.GetProductA();  //海尔牌产品1
            ProductB productB = factory.GetProductB();  //海尔牌产品2
        }