datatable序列化为byte[]

#region 可序列化对象到byte数组的相互转换
/// <summary>
/// 将可序列化对象转成Byte数组
/// </summary>
/// <param name="o">对象</param>
/// <returns>返回相关数组</returns>
protected static byte[] ObjectToByteArray(object o)
{
    MemoryStream ms = new MemoryStream();
    BinaryFormatter bf = new BinaryFormatter();
    bf.Serialize(ms, o);
    ms.Close();
    return ms.ToArray();
}
/// <summary>
/// 将可序列化对象转成的byte数组还原为对象
/// </summary>
/// <param name="b">byte数组</param>
/// <returns>相关对象</returns>
protected static object ByteArrayToObject(byte[] b)
{
    MemoryStream ms = new MemoryStream(b, 0, b.Length);
    BinaryFormatter bf = new BinaryFormatter();
    return bf.Deserialize(ms);
}
#endregion

#region 采用.net系统自带Gzip压缩类进行流压缩
/// <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, 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;
}

/// <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, 0, 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, 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;
}
#endregion

#region 采用ICSharpCode.SharpZipLib.GZip进行压缩
/// <summary>
/// 采用ICShareCode的Gzip类进行byte数组压缩
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
public static byte[] ICGzipCompress(byte[] b)
{
    byte[] dataBuffer = new byte[4096];
    MemoryStream s = new MemoryStream();
    GZipOutputStream gz = new GZipOutputStream(s);

    StreamUtils.Copy(new MemoryStream(b), gz, dataBuffer);
    gz.Finish();
    byte[] z = new byte[gz.Length];
    z = s.ToArray();
    gz.Close();
    return z;
}
/// <summary>
/// 将采用ICShareCode的Gzip类压缩的byte数组解压缩
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
public static byte[] ICGzipDecompress(byte[] b)
{
    byte[] dataBuffer = new byte[4096];

    MemoryStream u = new MemoryStream(b);
    Stream gi = new GZipInputStream(u);
    MemoryStream uu = new MemoryStream();
    StreamUtils.Copy(gi, uu, dataBuffer);

    byte[] z = new byte[uu.Length];
    z = uu.ToArray();
    gi.Dispose();
    return z;

}
#endregion

#region 采用ICSharpCode.SharpZipLib.Zip进行压缩
/// <summary>
/// 采用ICShareCode的Zip类进行byte数组压缩
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
public static byte[] ICZipCompress(byte[] b)
{
    MemoryStream m = new MemoryStream();
    DeflaterOutputStream os = new DeflaterOutputStream(m);
    os.Write(b, 0, b.Length);
    os.Finish();
    byte[] z = m.ToArray();
    os.Dispose();

    return z;
}
/// <summary>
/// 将采用ICShareCode的Zip类压缩的数组解压缩
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
public static byte[] ICZipDecompress(byte[] b)
{
    MemoryStream m = new MemoryStream();
    InflaterInputStream iis = new InflaterInputStream(new MemoryStream(b));
    StreamUtils.Copy(iis, m, new byte[4096]);
    byte[] z = m.ToArray();
    iis.Dispose();

    return z;
}
#endregion