using System;        using System.Collections.Generic;        using System.Linq;        using System.Text;        using System.Runtime.Serialization.Formatters.Binary;        using System.IO;        namespace Model        {                    public class SerializationUnit            {                /// <summary>                  /// 把对象序列化为字节数组                  /// </summary>                  public static byte[] SerializeObject(object obj)                {                    if (obj == null)                        return null;                    //内存实例                    MemoryStream ms = new MemoryStream();                    //创建序列化的实例                    BinaryFormatter formatter = new BinaryFormatter();                    long size = ms.GetBuffer().Length;                    formatter.Serialize(ms, obj);//序列化对象，写入ms流中                      ms.Position = 0;                    //byte[] bytes = new byte[ms.Length];//这个有错误                    byte[] bytes = ms.GetBuffer();                    ms.Read(bytes, 0, bytes.Length);                    ms.Close();                    return bytes;                }                        /// <summary>                  /// 把字节数组反序列化成对象                  /// </summary>                  public static object DeserializeObject(byte[] bytes)                {                    object obj = null;                    if (bytes == null)                        return obj;                    //利用传来的byte[]创建一个内存流                    MemoryStream ms = new MemoryStream(bytes);                    ms.Position = 0;                    BinaryFormatter formatter = new BinaryFormatter();                    obj = formatter.Deserialize(ms);//把内存流反序列成对象                      ms.Close();                    return obj;                }                /// <summary>                /// 把字典序列化                /// </summary>                /// <param name="dic"></param>                /// <returns></returns>                public static byte[] SerializeDic(Dictionary<string, object> dic)                {                    if (dic.Count == 0)                        return null;                    MemoryStream ms = new MemoryStream();                    BinaryFormatter formatter = new BinaryFormatter();                    formatter.Serialize(ms, dic);//把字典序列化成流                            byte[] bytes = new byte[ms.Length];//从流中读出byte[]                    ms.Read(bytes, 0, bytes.Length);                            return bytes;                }                /// <summary>                /// 反序列化返回字典                /// </summary>                /// <param name="bytes"></param>                /// <returns></returns>                public static Dictionary<string, object> DeserializeDic(byte[] bytes)                {                    Dictionary<string, object> dic = null;                    if (bytes == null)                        return dic;                    //利用传来的byte[]创建一个内存流                    MemoryStream ms = new MemoryStream(bytes);                    ms.Position = 0;                    BinaryFormatter formatter = new BinaryFormatter();                    //把流中转换为Dictionary                    dic = (Dictionary<string, object>)formatter.Deserialize(ms);                    return dic;                }            }                }