public Class1() { }
/// <summary>
/// 将DataSet格式化成字节数组byte[]
/// </summary>
/// <param name="dsOriginal">DataSet对象</param>
/// <returns>字节数组</returns>
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;
}
/// <summary>
/// 将DataSet格式化成字节数组byte[]，并且已经经过压缩
/// </summary>
/// <param name="dsOriginal">DataSet对象</param>
/// <returns>字节数组</returns>
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);
}
/// <summary>
/// 解压数据
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] Decompress(byte[] data)
{
byte[] bData;
MemoryStream ms = new MemoryStream();
ms.Write(data,data.Length);
ms.Position = 0;
GZipStream stream = new GZipStream(ms,CompressionMode.Decompress,true);
byte[] buffer = new byte[1024];
MemoryStream temp = new MemoryStream();
int read = stream.Read(buffer,buffer.Length);
while (read > 0)
{
temp.Write(buffer,read);
read = stream.Read(buffer,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;
}
/// <summary>
/// 压缩数据
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] Compress(byte[] data)
{
byte[] bData;
MemoryStream ms = new MemoryStream();
GZipStream stream = new GZipStream(ms,CompressionMode.Compress,true);
stream.Write(data,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,buffer.Length)时会返回0
bData = ms.ToArray();
ms.Close();
ms.dispose();
return bData;
}
/// <summary>
/// 将字节数组反序列化成DataSet对象
/// </summary>
/// <param name="binaryData">字节数组</param>
/// <returns>DataSet对象</returns>
public static DataSet RetrieveDataSet(byte[] binaryData)
{
DataSet ds = null;
MemoryStream memStream = new MemoryStream(binaryData,true);
//byte[] bs = memStream.GetBuffer();
// memStream.Write(bs,bs.Length);
//memStream.Seek(0,SeekOrigin.Begin);
IFormatter brFormatter = new BinaryFormatter();
ds = (DataSet)brFormatter.Deserialize(memStream);
return ds;
}
/// <summary>
/// 将字节数组反解压后序列化成DataSet对象
/// </summary>
/// <param name="binaryData">字节数组</param>
/// <returns>DataSet对象</returns>
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;
}
/// <summary>
/// 将object格式化成字节数组byte[]
/// </summary>
/// <param name="dsOriginal">object对象</param>
/// <returns>字节数组</returns>
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;
}
/// <summary>
/// 将objec格式化成字节数组byte[]，并压缩
/// </summary>
/// <param name="dsOriginal">object对象</param>
/// <returns>字节数组</returns>
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);
}
/// <summary>
/// 将字节数组反序列化成object对象
/// </summary>
/// <param name="binaryData">字节数组</param>
/// <returns>object对象</returns>
public static object RetrieveObject(byte[] binaryData)
{
MemoryStream memStream = new MemoryStream(binaryData);
IFormatter brFormatter = new BinaryFormatter();
Object obj = brFormatter.Deserialize(memStream);
return obj;
}
/// <summary>
/// 将字节数组解压后反序列化成object对象
/// </summary>
/// <param name="binaryData">字节数组</param>
/// <returns>object对象</returns>
public static object RetrieveObjectDecompress(byte[] binaryData)
{
MemoryStream memStream = new MemoryStream(Decompress(binaryData));
IFormatter brFormatter = new BinaryFormatter();
Object obj = brFormatter.Deserialize(memStream);
return obj;
}
///// <summary>
///// 解密配置文件并读入到xmldoc中
///// </summary>
//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;
// }
//}
///// <summary>
///// 加密密钥后再对文件字符进行加密
///// </summary>
//public static void EncryptConfigFile(string filePath,string str)
//{
// FileStream fs = new FileStream(filePath,FileMode.Create);
// BinaryFormatter formatter = new BinaryFormatter();
// try
// {
// formatter.Serialize(fs,KCEncrypt.Encrypt(str));
// }
// catch (SerializationException e)
// {
// Console.WriteLine("Failed to serialize. Reason: " + e.Message);
// throw;
// }
// finally
// {
// fs.Close();
// fs = null;
// }
//}
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