.Net序列化与数据压缩类x

.Net序列化与数据压缩类using System;using System.Collections.Generic;using System.IO.Compression;using System.Text;using System.Data;using System.IO;using System.Runtime.Serialization;using System.Runtime.Serialization.Formatters.Binary;using KCSvrOpr.Encrypt;using System.Xml;namespace KCSvrOpr.DataFormat / / 功 能:对数据的基本操作 / 作 者:BQONE / 创建日期:2007年04月17日 / 更新作者: / 更新日期: / 添加功能: / 描 述:包括数据的压缩，对象与byte之间的转换 / 版 权:HN KC / public class KCDataFormatter public KCDataFormatter() / / 将DataSet格式化成字节数组byte / / DataSet对象 / 字节数组 public static byte GetBinaryFormatData(DataSet dsOriginal) byte binaryDataResult = null; MemoryStream memStream = new MemoryStream(); IFormatter brFormatter = new BinaryFormatter(); dsOriginal.RemotingFormat = SerializationFormat.Binary; brFormatter.Serialize(memStream, dsOriginal); binaryDataResult = memStream.ToArray(); memStream.Close(); memStream.Dispose(); return binaryDataResult; / / 将DataSet格式化成字节数组byte，并且已经经过压缩 / / DataSet对象 / 字节数组 public static byte GetBinaryFormatDataCompress(DataSet dsOriginal) byte binaryDataResult = null; MemoryStream memStream = new MemoryStream(); IFormatter brFormatter = new BinaryFormatter(); dsOriginal.RemotingFormat = SerializationFormat.Binary; brFormatter.Serialize(memStream, dsOriginal); binaryDataResult = memStream.ToArray(); memStream.Close(); memStream.Dispose(); return Compress(binaryDataResult); / / 解压数据 / / / public static byte Decompress(byte data) byte bData; MemoryStream ms = new MemoryStream(); ms.Write(data, 0, data.Length); ms.Position = 0; GZipStream stream = new GZipStream(ms, CompressionMode.Decompress, true); byte buffer = new byte1024; MemoryStream temp = new MemoryStream(); int read = stream.Read(buffer, 0, buffer.Length); while (read 0) temp.Write(buffer, 0, read); read = stream.Read(buffer, 0, buffer.Length); /必须把stream流关闭才能返回ms流数据,不然数据会不完整 stream.Close(); stream.Dispose(); ms.Close(); ms.Dispose(); bData = temp.ToArray(); temp.Close(); temp.Dispose(); return bData; / / 压缩数据 / / / public static byte Compress(byte data) byte bData; MemoryStream ms = new MemoryStream(); GZipStream stream = new GZipStream(ms, CompressionMode.Compress, true); stream.Write(data, 0, data.Length); stream.Close(); stream.Dispose(); /必须把stream流关闭才能返回ms流数据,不然数据会不完整 /并且解压缩方法stream.Read(buffer, 0, buffer.Length)时会返回0 bData = ms.ToArray(); ms.Close(); ms.Dispose(); return bData; / / 将字节数组反序列化成DataSet对象 / / 字节数组 / DataSet对象 public static DataSet RetrieveDataSet(byte binaryData) DataSet dsOriginal = null; MemoryStream memStream = new MemoryStream(binaryData); IFormatter brFormatter = new BinaryFormatter(); Object obj = brFormatter.Deserialize(memStream); dsOriginal = (DataSet)obj; return dsOriginal; / / 将字节数组反解压后序列化成DataSet对象 / / 字节数组 / DataSet对象 public static DataSet RetrieveDataSetDecompress(byte binaryData) DataSet dsOriginal = null; MemoryStream memStream = new MemoryStream(Decompress(binaryData); IFormatter brFormatter = new BinaryFormatter(); Object obj = brFormatter.Deserialize(memStream); dsOriginal = (DataSet)obj; return dsOriginal; / / 将object格式化成字节数组byte / / object对象 / 字节数组 public static byte GetBinaryFormatData(object dsOriginal) byte binaryDataResult = null; MemoryStream memStream = new MemoryStream(); IFormatter brFormatter = new BinaryFormatter(); brFormatter.Serialize(memStream, dsOriginal); binaryDataResult = memStream.ToArray(); memStream.Close(); memStream.Dispose(); return binaryDataResult; / / 将objec格式化成字节数组byte，并压缩 / / object对象 / 字节数组 public static byte GetBinaryFormatDataCompress(object dsOriginal) byte binaryDataResult = null; MemoryStream memStream = new MemoryStream(); IFormatter brFormatter = new BinaryFormatter(); brFormatter.Serialize(memStream, dsOriginal); binaryDataResult = memStream.ToArray(); memStream.Close(); memStream.Dispose(); return Compress(binaryDataResult); / / 将字节数组反序列化成object对象 / / 字节数组 / object对象 public static object RetrieveObject(byte binaryData) MemoryStream memStream = new MemoryStream(binaryData); IFormatter brFormatter = new BinaryFormatter(); Object obj = brFormatter.Deserialize(memStream); return obj; / / 将字节数组解压后反序列化成object对象 / / 字节数组 / object对象 public static object RetrieveObjectDecompress(byte binaryData) MemoryStream memStream = new MemoryStream(Decompress(binaryData); IFormatter brFormatter = new BinaryFormatter(); Object obj = brFormatter.Deserialize(memStream); return obj; / / 解密配置文件并读入到xmldoc中 / public static XmlNode DecryptConfigFile(string filePath) FileStream fs = new FileStream(filePath, FileMode.Open); XmlDocument m_XmlDoc = new XmlDocument(); BinaryFormatter formatter = null; try formatter = new BinaryFormatter(); / Deserialize the hashtable from the file and / assign the reference to the local variable. m_XmlDoc.LoadXml(KCEncrypt.Decrypt(string)formatter.Deserialize(fs); return m_XmlDoc.DocumentElement; catch (SerializationException e) Console.WriteLine(Failed to deserialize. Reason: + e.Message); throw; finally fs.Close(); fs = null; / / 加密密钥后再对文件字符进行加密 / public static void EncryptConfigFile(string filePath, string str) FileStream fs = new FileStrea