c# 深拷贝 浅拷贝

　　浅拷贝对引用类型只拷贝地址，拷贝前后共享一块内存区域。深拷贝就是所有的东西全部重新有一份，没有共享存在，推荐使用序列化深拷贝。

using System;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace ConsoleApplication1
{
    internal class Program
    {
        [Serializable]
        public class TV
        {
            public TV()
            {
                
            }


            public TV(int max)
            {
                MaxChannel = max;
            }

            private int maxChannel;

            public override string ToString()
            {
                return string.Format("MaxChannel: {0}", MaxChannel);
            }

            public int MaxChannel
            {
                get { return maxChannel; }
                set { maxChannel = value; }
            }
        }

        [Serializable]
        public struct Light
        {
            public string name;

            public Light(string name)
            {
                this.name = name;
            }

            public override string ToString()
            {
                return string.Format("Name: {0}", name);
            }
        }

        [Serializable]
        public class House : ICloneable
        {
            public TV tv;
            public Light light;

            public House(TV tv, Light light)
            {
                this.tv = tv;
                this.light = light;
            }

            public override string ToString()
            {
                return string.Format("Light: {0}, Tv: {1}", light, tv);
            }

            public object Clone()
            {
                //浅拷贝
                //return MemberwiseClone();

                //深拷贝 1
                //TV tv = new TV();
                //tv.MaxChannel = this.tv.MaxChannel;

                //Light light = this.light;
                //House house = new House(tv, light);
                //return house;

                //深拷贝2 需要添加[Serializable]
                using (Stream stream = new MemoryStream())
                {
                    BinaryFormatter bf = new BinaryFormatter();
                    bf.Serialize(stream, this);
                    stream.Seek(0, SeekOrigin.Begin);
                    return bf.Deserialize(stream);
                }
            }
        }

            private static void Main(string[] args)
            {
                TV tv = new TV(10);
                Light light = new Light("zk");

                House house = new House(tv, light);
                House house1 = (House)house.Clone();

                Console.WriteLine(house);
                Console.WriteLine(house1);

                house.light.name = "te";
                house.tv.MaxChannel = 90;

                Console.WriteLine(house);
                Console.WriteLine(house1);
            }
    }
}