using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      Person per;//将要被序列化的对象
      Console.WriteLine("------序列化与反序列化------");
      Console.WriteLine("是否读取已经序列化的对象per");
      string str = Console.ReadLine();
      if (str == "yes")
      {
        if (!File.Exists("save.bin"))
        {
          Console.WriteLine("你还没有将per序列化");
          return;
        }
        using (FileStream fs = new FileStream("save.bin", FileMode.Open))
        {
          BinaryFormatter bf = new BinaryFormatter();
          per = bf.Deserialize(fs) as Person;//将二进制数据转换为per对象
          per.SayHi();
          Console.ReadLine();
        }
      }
      else
      {
        per = new Person();
        per.Name = "小李";
        using(FileStream fs=new FileStream("save.bin",FileMode.Create))
        {
          BinaryFormatter bf = new BinaryFormatter();
          bf.Serialize(fs,per);//将per对象转换成二进制数据，并保存。
          Console.WriteLine("序列化成功");
          Console.ReadLine();
        }
      }
        
    }
  }
  [Serializable]
  class Person
  {
    public string Name;
    public void SayHi()
    {
      Console.WriteLine("hello {0}",Name);
    }
  }
}