C#实现的序列化通用类实例

using System;using System.IO;using System.IO.Compression;using System.Runtime.Serialization.Formatters.Binary;using System.Runtime.Serialization.Formatters.Soap;using System.Text;using System.Xml;using System.Xml.Serialization;namespace PlatForm.Utilities{ public enum SerializedType : ushort {  ByteArray = 0,  Object = 1,  String = 2,  Datetime = 3,  Bool = 4,  //SByte  = 5, //Makes no sense.  Byte = 6,  Short = 7,  UShort = 8,  Int = 9,  UInt = 10,  Long = 11,  ULong = 12,  Float = 13,  Double = 14,  CompressedByteArray = 255,  CompressedObject = 256,  CompressedString = 257, } public class SerializeHelper {  public SerializeHelper()  { }  #region XML序列化  /// <summary>  /// 文件化XML序列化  /// </summary>  /// <param name="obj">对象</param>  /// <param name="filename">文件路径</param>  public static void Save(object obj, string filename)  {   FileStream fs = null;   try   {    fs = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);    XmlSerializer serializer = new XmlSerializer(obj.GetType());    serializer.Serialize(fs, obj);   }   catch (Exception ex)   {    throw ex;   }   finally   {    if (fs != null) fs.Close();   }  }  /// <summary>  /// 文件化XML反序列化  /// </summary>  /// <param name="type">对象类型</param>  /// <param name="filename">文件路径</param>  public static object Load(Type type, string filename)  {   FileStream fs = null;   try   {    fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);    XmlSerializer serializer = new XmlSerializer(type);    return serializer.Deserialize(fs);   }   catch (Exception ex)   {    throw ex;   }   finally   {    if (fs != null) fs.Close();   }  }  /// <summary>  /// 文本化XML序列化  /// </summary>  /// <param name="item">对象</param>  public string ToXml<T>(T item)  {   XmlSerializer serializer = new XmlSerializer(item.GetType());   StringBuilder sb = new StringBuilder();   using (XmlWriter writer = XmlWriter.Create(sb))   {    serializer.Serialize(writer, item);    return sb.ToString();   }  }  /// <summary>  /// 文本化XML反序列化  /// </summary>  /// <param name="str">字符串序列</param>  public T FromXml<T>(string str)  {   XmlSerializer serializer = new XmlSerializer(typeof(T));   using (XmlReader reader = new XmlTextReader(new StringReader(str)))   {    return (T)serializer.Deserialize(reader);   }  }  #endregion    #region SoapFormatter序列化  /// <summary>  /// SoapFormatter序列化  /// </summary>  /// <param name="item">对象</param>  public static string ToSoap<T>(T item)  {   SoapFormatter formatter = new SoapFormatter();   using (MemoryStream ms = new MemoryStream())   {    formatter.Serialize(ms, item);    ms.Position = 0;    XmlDocument xmlDoc = new XmlDocument();    xmlDoc.Load(ms);    return xmlDoc.InnerXml;   }  }  /// <summary>  /// SoapFormatter反序列化  /// </summary>  /// <param name="str">字符串序列</param>  public static T FromSoap<T>(string str)  {   XmlDocument xmlDoc = new XmlDocument();   xmlDoc.LoadXml(str);   SoapFormatter formatter = new SoapFormatter();   using (MemoryStream ms = new MemoryStream())   {    xmlDoc.Save(ms);    ms.Position = 0;    return (T)formatter.Deserialize(ms);   }  }  #endregion  #region BinaryFormatter序列化  /// <summary>  /// BinaryFormatter序列化  /// </summary>  /// <param name="item">对象</param>  public static string ToBinary<T>(T item)  {   BinaryFormatter formatter = new BinaryFormatter();   using (MemoryStream ms = new MemoryStream())   {    formatter.Serialize(ms, item);    ms.Position = 0;    byte[] bytes = ms.ToArray();    StringBuilder sb = new StringBuilder();    foreach (byte bt in bytes)    {     sb.Append(string.Format("{0:X2}", bt));    }    return sb.ToString();   }  }  /// <summary>  /// BinaryFormatter反序列化  /// </summary>  /// <param name="str">字符串序列</param>  public static T FromBinary<T>(string str)  {   int intLen = str.Length / 2;   byte[] bytes = new byte[intLen];   for (int i = 0; i < intLen; i++)   {    int ibyte = Convert.ToInt32(str.Substring(i * 2, 2), 16);    bytes[i] = (byte)ibyte;   }   BinaryFormatter formatter = new BinaryFormatter();   using (MemoryStream ms = new MemoryStream(bytes))   {    return (T)formatter.Deserialize(ms);   }  }  #endregion  /// <summary>  /// 将对象序列化为二进制字节  /// </summary>  /// <param name="obj">待序列化的对象</param>  /// <returns></returns>  public static byte[] SerializeToBinary(object obj)  {   byte[] bytes = new byte[2500];   using (MemoryStream memoryStream = new MemoryStream())   {    BinaryFormatter bformatter = new BinaryFormatter();    bformatter.Serialize(memoryStream, obj);    memoryStream.Seek(0, 0);    if (memoryStream.Length > bytes.Length)    {     bytes = new byte[memoryStream.Length];    }    bytes = memoryStream.ToArray();   }   return bytes;  }  /// <summary>  /// 从二进制字节中反序列化为对象  /// </summary>  /// <param name="type">对象的类型</param>  /// <param name="bytes">字节数组</param>  /// <returns>反序列化后得到的对象</returns>  public static object DeserializeFromBinary(Type type, byte[] bytes)  {   object result = new object();   using (MemoryStream memoryStream = new MemoryStream(bytes))   {    BinaryFormatter serializer = new BinaryFormatter();    result = serializer.Deserialize(memoryStream);   }   return result;  }  /// <summary>  /// 将文件对象序列化到文件中  /// </summary>  /// <param name="obj">待序列化的对象</param>  /// <param name="path">文件路径</param>  /// <param name="fileMode">文件打开模式</param>  public static void SerializeToBinary(object obj, string path, FileMode fileMode)  {   using (FileStream fs = new FileStream(path, fileMode))   {    // Construct a BinaryFormatter and use it to serialize the data to the stream.    BinaryFormatter formatter = new BinaryFormatter();    formatter.Serialize(fs, obj);   }  }  /// <summary>  /// 将文件对象序列化到文件中  /// </summary>  /// <param name="obj">待序列化的对象</param>  /// <param name="path">文件路径</param>  public static void SerializeToBinary(object obj, string path)  {   SerializeToBinary(obj, path, FileMode.Create);  }  /// <summary>  /// 从二进制文件中反序列化为对象  /// </summary>  /// <param name="type">对象的类型</param>  /// <param name="path">二进制文件路径</param>  /// <returns>反序列化后得到的对象</returns>  public static object DeserializeFromBinary(Type type, string path)  {   object result = new object();   using (FileStream fileStream = new FileStream(path, FileMode.Open))   {    BinaryFormatter serializer = new BinaryFormatter();    result = serializer.Deserialize(fileStream);   }   return result;  }  /// <summary>  /// 获取对象的转换为二进制的字节大小  /// </summary>  /// <param name="obj"></param>  /// <returns></returns>  public static long GetByteSize(object obj)  {   long result;   BinaryFormatter bFormatter = new BinaryFormatter();   using (MemoryStream stream = new MemoryStream())   {    bFormatter.Serialize(stream, obj);    result = stream.Length;   }   return result;  }  /// <summary>  /// 克隆一个对象  /// </summary>  /// <param name="obj">待克隆的对象</param>  /// <returns>克隆的一个新的对象</returns>  public static object Clone(object obj)  {   object cloned = null;   BinaryFormatter bFormatter = new BinaryFormatter();   using (MemoryStream memoryStream = new MemoryStream())   {    try    {     bFormatter.Serialize(memoryStream, obj);     memoryStream.Seek(0, SeekOrigin.Begin);     cloned = bFormatter.Deserialize(memoryStream);    }    catch //(Exception e)    {     ;    }   }   return cloned;  }  /// <summary>  /// 从文件中读取文本内容  /// </summary>  /// <param name="path">文件路径</param>  /// <returns>文件的内容</returns>  public static string ReadFile(string path)  {   string content = string.Empty;   using (StreamReader reader = new StreamReader(path))   {    content = reader.ReadToEnd();   }   return content;  }  public static byte[] Serialize(object value, out SerializedType type, uint compressionThreshold)  {   byte[] bytes;   if (value is byte[])   {    bytes = (byte[])value;    type = SerializedType.ByteArray;    if (bytes.Length > compressionThreshold)    {     bytes = compress(bytes);     type = SerializedType.CompressedByteArray;    }   }   else if (value is string)   {    bytes = Encoding.UTF8.GetBytes((string)value);    type = SerializedType.String;    if (bytes.Length > compressionThreshold)    {     bytes = compress(bytes);     type = SerializedType.CompressedString;    }   }   else if (value is DateTime)   {    bytes = BitConverter.GetBytes(((DateTime)value).Ticks);    type = SerializedType.Datetime;   }   else if (value is bool)   {    bytes = new byte[] { (byte)((bool)value ? 1 : 0) };    type = SerializedType.Bool;   }   else if (value is byte)   {    bytes = new byte[] { (byte)value };    type = SerializedType.Byte;   }   else if (value is short)   {    bytes = BitConverter.GetBytes((short)value);    type = SerializedType.Short;   }   else if (value is ushort)   {    bytes = BitConverter.GetBytes((ushort)value);    type = SerializedType.UShort;   }   else if (value is int)   {    bytes = BitConverter.GetBytes((int)value);    type = SerializedType.Int;   }   else if (value is uint)   {    bytes = BitConverter.GetBytes((uint)value);    type = SerializedType.UInt;   }   else if (value is long)   {    bytes = BitConverter.GetBytes((long)value);    type = SerializedType.Long;   }   else if (value is ulong)   {    bytes = BitConverter.GetBytes((ulong)value);    type = SerializedType.ULong;   }   else if (value is float)   {    bytes = BitConverter.GetBytes((float)value);    type = SerializedType.Float;   }   else if (value is double)   {    bytes = BitConverter.GetBytes((double)value);    type = SerializedType.Double;   }   else   {    //Object    using (MemoryStream ms = new MemoryStream())    {     new BinaryFormatter().Serialize(ms, value);     bytes = ms.GetBuffer();     type = SerializedType.Object;     if (bytes.Length > compressionThreshold)     {      bytes = compress(bytes);      type = SerializedType.CompressedObject;     }    }   }   return bytes;  }  private static byte[] compress(byte[] bytes)  {   using (MemoryStream ms = new MemoryStream())   {    using (DeflateStream gzs = new DeflateStream(ms, CompressionMode.Compress, false))    {     gzs.Write(bytes, 0, bytes.Length);    }    ms.Close();    return ms.GetBuffer();   }  }  private static byte[] decompress(byte[] bytes)  {   using (MemoryStream ms = new MemoryStream(bytes, false))   {    using (DeflateStream gzs = new DeflateStream(ms, CompressionMode.Decompress, false))    {     using (MemoryStream dest = new MemoryStream())     {      byte[] tmp = new byte[bytes.Length];      int read;      while ((read = gzs.Read(tmp, 0, tmp.Length)) != 0)      {       dest.Write(tmp, 0, read);      }      dest.Close();      return dest.GetBuffer();     }    }   }  }  public static object DeSerialize(byte[] bytes, SerializedType type)  {   switch (type)   {    case SerializedType.String:     return Encoding.UTF8.GetString(bytes);    case SerializedType.Datetime:     return new DateTime(BitConverter.ToInt64(bytes, 0));    case SerializedType.Bool:     return bytes[0] == 1;    case SerializedType.Byte:     return bytes[0];    case SerializedType.Short:     return BitConverter.ToInt16(bytes, 0);    case SerializedType.UShort:     return BitConverter.ToUInt16(bytes, 0);    case SerializedType.Int:     return BitConverter.ToInt32(bytes, 0);    case SerializedType.UInt:     return BitConverter.ToUInt32(bytes, 0);    case SerializedType.Long:     return BitConverter.ToInt64(bytes, 0);    case SerializedType.ULong:     return BitConverter.ToUInt64(bytes, 0);    case SerializedType.Float:     return BitConverter.ToSingle(bytes, 0);    case SerializedType.Double:     return BitConverter.ToDouble(bytes, 0);    case SerializedType.Object:     using (MemoryStream ms = new MemoryStream(bytes))     {      return new BinaryFormatter().Deserialize(ms);     }    case SerializedType.CompressedByteArray:     return DeSerialize(decompress(bytes), SerializedType.ByteArray);    case SerializedType.CompressedString:     return DeSerialize(decompress(bytes), SerializedType.String);    case SerializedType.CompressedObject:     return DeSerialize(decompress(bytes), SerializedType.Object);    case SerializedType.ByteArray:    default:     return bytes;   }  } }}