/// <summary>
/// 类：武林高手
/// MartialArtsMaster
/// </summary>
[Serializable]
class MartialArtsMaster
{
    /// <summary>
    /// 编号
    /// </summary>
    public int Id { get; set; }
    /// <summary>
    /// 姓名
    /// </summary>
    public string Name { get; set; }
    /// <summary>
    /// 年龄
    /// </summary>
    public int Age { get; set; }
    /// <summary>
    /// 门派
    /// </summary>
    public string Menpai { get; set; }
    /// <summary>
    /// 武学
    /// </summary>
    public string Kungfu { get; set; }
    /// <summary>
    /// 级别
    /// </summary>
    public int Level { get; set; }
}

/// <summary>
/// 二进制序列化和反序列化类
/// </summary>
public class Serializer
{
    /// <summary> 
    /// 使用二进制序列化对象。 
    /// </summary> 
    /// <param name="value"></param> 
    /// <returns></returns> 
    public static byte[] SerializeBytes(object value)
    {
        if (value == null) return null;

        var stream = new MemoryStream();
        new BinaryFormatter().Serialize(stream, value);

        //var dto = Encoding.UTF8.GetString(stream.GetBuffer()); 
        var bytes = stream.ToArray();
        return bytes;
    }

    /// <summary> 
    /// 使用二进制反序列化对象。 
    /// </summary> 
    /// <param name="bytes"></param> 
    /// <returns></returns> 
    public static object DeserializeBytes(byte[] bytes)
    {
        if (bytes == null) return null;

        //var bytes = Encoding.UTF8.GetBytes(dto as string); 
        var stream = new MemoryStream(bytes);

        var result = new BinaryFormatter().Deserialize(stream);

        return result;
    }
}

//本例命名空间
//using System.Runtime.Serialization.Formatters.Binary;
//using System.IO;

//初始化武林高手
var master = new List<MartialArtsMaster>(){
    new MartialArtsMaster(){ Id = 1, Name = "黄蓉",    Age = 18, Menpai = "丐帮", Kungfu = "打狗棒法",  Level = 9  },
    new MartialArtsMaster(){ Id = 2, Name = "洪七公",  Age = 70, Menpai = "丐帮", Kungfu = "打狗棒法",  Level = 10 },
    new MartialArtsMaster(){ Id = 3, Name = "郭靖",    Age = 22, Menpai = "丐帮", Kungfu = "降龙十八掌",Level = 10 },
    new MartialArtsMaster(){ Id = 4, Name = "任我行",  Age = 50, Menpai = "明教", Kungfu = "葵花宝典",  Level = 1  },
    new MartialArtsMaster(){ Id = 5, Name = "东方不败",Age = 35, Menpai = "明教", Kungfu = "葵花宝典",  Level = 10 },
    new MartialArtsMaster(){ Id = 6, Name = "林平之",  Age = 23, Menpai = "华山", Kungfu = "葵花宝典",  Level = 7  },
    new MartialArtsMaster(){ Id = 7, Name = "岳不群",  Age = 50, Menpai = "华山", Kungfu = "葵花宝典",  Level = 8  }
};

//文件流写入
using (FileStream fs = new FileStream(@"F:\360同步云盘\360同步云盘\博客\序列化\master.obj", FileMode.Append))
{
    var myByte = Serializer.SerializeBytes(master);
    fs.Write(myByte, 0, myByte.Length);
    fs.Close();
};

//文件流读取
using (FileStream fsRead = new FileStream(@"F:\360同步云盘\360同步云盘\博客\序列化\master.obj", FileMode.Open))
{
    int fsLen = (int)fsRead.Length;
    byte[] heByte = new byte[fsLen];
    int r = fsRead.Read(heByte, 0, heByte.Length);
    var myObj = Serializer.DeserializeBytes(heByte) as List<MartialArtsMaster>;
    Console.WriteLine("编号---姓名---年龄---门派---武功---等级");
    myObj.ForEach(m => 
        Console.WriteLine(m.Id + "---" + m.Name + "---" + m.Age + "---" + m.Menpai + "---" + m.Kungfu + "---" + m.Level)
    );  
}