设计模式—原型（附带介绍浅拷贝和深拷贝）

通过拷贝创建新的对象

ColorPrototype是颜色基类（抽象类），ConcteteColorPrototype是具体的父类，他包括两个方法Clone和DeepClone，那就介绍下Clone和DeepClone的区别

Clone： 又叫浅拷贝，MemberwiseClone(),这只能拷贝一层，如果某个属性是引用类型，无法进行真正的拷贝。

DeepClone:是从对象表面到最底端，进行拷贝，是一种完全拷贝。

namespace 大话设计模式

{

     [Serializable]

    public abstract  class ColorPrototype

    {

        /// <summary>

        /// 克隆

        /// </summary>

        /// <returns></returns>

        public abstract ColorPrototype Clone();



        /// <summary>

        /// 深度克隆

        /// </summary>

        /// <returns></returns>

        public abstract ColorPrototype DeepClone();

    }

}

    public class ColorManager

    {

        private Hashtable colors = new Hashtable();



        /// <summary>

        /// 结构

        /// </summary>

        /// <param name="name"></param>

        /// <returns></returns>

        public ColorPrototype this[string name]

        {

            get { return (ColorPrototype)colors[name]; }

            set { colors.Add(name, value); }

        }

    }

namespace 大话设计模式

{

    [Serializable]

    public class ConcteteColorPrototype : ColorPrototype

    {

        public int red;

        public int green;

        public int blue;



        public Student Student=new Student(){Name = "张三"};



        public ConcteteColorPrototype(int red, int green, int blue)

        {

            this.red = red;

            this.green = green;

            this.blue = blue;

        }

        /// <summary>

        /// 克隆

        /// </summary>

        /// <returns></returns>

        public override ColorPrototype Clone()

        {

            return (ConcteteColorPrototype)this.MemberwiseClone();

        }



        public override ColorPrototype DeepClone()

        {

            MemoryStream memoryStream = new MemoryStream();

            BinaryFormatter formatter = new BinaryFormatter();

            formatter.Serialize(memoryStream, this);

            memoryStream.Position = 0;

           var colorPrototype = (ColorPrototype)formatter.Deserialize(memoryStream);

            return colorPrototype;

        }

    }

      [Serializable]

    public class Student

    {

        public string Name { get; set; }

    }

}