.Net中的序列化和反序列化详解

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

namespace Serializable
{
 [Serializable]
 public class Person
 {
  public string personName;

  [NonSerialized]
  public string personHeight;

  private int personAge;
  public int PersonAge
  {
   get { return personAge; }
   set { personAge = value; }
  }

  public void Write()
  {
   Console.WriteLine("Person Name: "+personName);
   Console.WriteLine("Person Height: " +personHeight);
   Console.WriteLine("Person Age: "+ personAge);
  }
  
 }
 class Program
 {
  static void Main(string[] args)
  {
   Person person = new Person();
   person.personName = "Jerry";
   person.personHeight = "175CM";
   person.PersonAge = 22;
   Stream stream = Serialize(person);

   //为了演示，都重置
   stream.Position = 0;
   person = null;

   person = Deserialize(stream);
   person.Write();
   Console.Read();
   
  }
  private static MemoryStream Serialize(Person person)
  {
   MemoryStream stream = new MemoryStream();

   // 构造二进制序列化格式器
   BinaryFormatter binaryFormatter = new BinaryFormatter();
   // 告诉序列化器将对象序列化到一个流中
   binaryFormatter.Serialize(stream, person);

   return stream;

  }

  private static Person Deserialize(Stream stream)
  {
   BinaryFormatter binaryFormatter = new BinaryFormatter();
   return (Person)binaryFormatter.Deserialize(stream);
  }
  
 }
}

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

namespace ControlSerialization
{
  [Serializable]
  public class Circle
  {
    private double radius; //半径
    [NonSerialized]
    public double area; //面积

    public Circle(double inputradiu)
    {
      radius = inputradiu;
      area = Math.PI * radius * radius;
    }

    [OnDeserialized]
    private void OnDeserialized(StreamingContext context)
    {
      area = Math.PI * radius * radius;
    }

    public void Write()
    {
      Console.WriteLine("Radius is: " + radius);
      Console.WriteLine("Area is: " + area);
    }
  }
  class Program
  {
    
    static void Main(string[] args)
    {
      Circle c = new Circle(10);
      MemoryStream stream =new MemoryStream();
      BinaryFormatter formatter = new BinaryFormatter();
      // 将对象序列化到内存流中，这里可以使用System.IO.Stream抽象类中派生的任何类型的一个对象， 这里我使用了 MemoryStream类型。
      formatter.Serialize(stream,c);
      stream.Position = 0;
      c = null;
      c = (Circle)formatter.Deserialize(stream);
      c.Write();
      Console.Read();

    }
  }
}

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

namespace ControlSerilization2
{
  [Serializable]
  public class MyObject : ISerializable
  {
    public int n1;
    public intn2;

    [NonSerialized]
    public String str;

    public MyObject()
    {
    }

    protected MyObject(SerializationInfo info, StreamingContext context)
    {
      n1 = info.GetInt32("i");
      n2 = info.GetInt32("j");
      str = info.GetString("k");
    }

    [SecurityPermissionAttribute(SecurityAction.Demand, SerializationFormatter = true)]
    public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
    {
      info.AddValue("i", n1);
      info.AddValue("j", n2);
      info.AddValue("k", str);
    }

    public void Write()
    {
      Console.WriteLine("n1 is: " + n1);
      Console.WriteLine("n2 is: " + n2);
      Console.WriteLine("str is: " + str);
    }
  }

  class Program
  {
    static void Main(string[] args)
    {
      MyObject obj = new MyObject();
      obj.n1 = 2;
      obj.n2 = 3;
      obj.str = "Jeffy";
      MemoryStream stream = new MemoryStream();
      BinaryFormatter formatter = new BinaryFormatter();
      // 将对象序列化到内存流中，这里可以使用System.IO.Stream抽象类中派生的任何类型的一个对象， 这里我使用了 MemoryStream类型。
      formatter.Serialize(stream, obj);
      stream.Position = 0; 
      obj = null;
      obj = (MyObject)formatter.Deserialize(stream);
      obj.Write();
      Console.Read();
    }
  }
}