深度拷贝对象

作者：追风剑情 发布于：2020-9-22 14:58 分类：C# 

  1. using System;
  2. using System.IO;
  3. using System.Runtime.Serialization;
  4. using System.Runtime.Serialization.Formatters.Binary;
  5.  
  6. namespace ConsoleApp6
  7. {
  8.     class Program
  9.     {
  10.         static void Main(string[] args)
  11.         {
  12.             TestObject test = new TestObject();
  13.             test.name = "xxx";
  14.             test.test1.name = "yyy";
  15.  
  16.             TestObject clone = DeepClone(test) as TestObject;
  17.             Console.WriteLine("clone.name={0}, clone.test1.name={1}", clone.name, clone.test1.name);
  18.             Console.Read();
  19.         }
  20.  
  21.         //克隆对象
  22.         public static Object DeepClone(Object original)
  23.         {
  24.             using (MemoryStream  stream = new MemoryStream())
  25.             {
  26.                 //二进制序列化器
  27.                 BinaryFormatter formatter = new BinaryFormatter();
  28.                 formatter.Context = new StreamingContext(StreamingContextStates.Clone);
  29.                 formatter.Serialize(stream, original);
  30.                 //反序列化前，定位到流的超始位置
  31.                 stream.Position = 0;
  32.                 //将对象图反序列化成一组新对象 (实现深度拷贝)
  33.                 return formatter.Deserialize(stream);
  34.             }
  35.         }
  36.     }
  37.  
  38.     [Serializable]
  39.     public class TestObject
  40.     {
  41.         public string name = "test";
  42.         public Test1Object test1 = new Test1Object();
  43.     }
  44.  
  45.     [Serializable]
  46.     public class Test1Object
  47.     {
  48.         public string name = "test1";
  49.     }
  50. }

运行测试

1111.png

标签: C#

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