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    {        /// 
        /// 克隆        /// 
        /// 
             public abstract ColorPrototype Clone();        /// 
        /// 深度克隆        /// 
        /// 
             public abstract ColorPrototype DeepClone();    }}

public class ColorManager    {        private Hashtable colors = new Hashtable();        /// 
        /// 结构        /// 
        ///         /// 
             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;        }        /// 
        /// 克隆        /// 
        /// 
             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; }    }}