/// <summary>
/// 转换成Buffer
/// </summary>
internal byte[] DataToBuffer()
{
//字段
byte[] pFieldBytes = BitConverter.GetBytes((uint)this._eField);
//格式
byte[] pFormatBytes = BitConverter.GetBytes((sbyte)this._eFormat);
//数据
byte[] pContentBytes;
if (this._pContent.GetType() == typeof(DBNull))
{
pContentBytes = new byte[] { };
}
else
{
pContentBytes = DataUtilise.DataToBuffer(this._eFormat, this._pContent);
}
//结果
byte[] pResult = new byte[PacketConstant.MAX_DATAHEAD_SIZE + pContentBytes.Length];
Array.Copy(pFieldBytes, 0, pResult, 0, PacketConstant.MAX_FIELDNAME_SIZE);
Array.Copy(pFormatBytes, 0, pResult, PacketConstant.MAX_FIELDNAME_SIZE, PacketConstant.MAX_FIELDFORMAT_SIZE);
Array.Copy(pContentBytes, 0, pResult, PacketConstant.MAX_DATAHEAD_SIZE, pContentBytes.Length);
return(pResult);
}
/// <summary>
/// 解析数据
/// </summary>
private void BufferToData()
{
try
{
//数据流
byte[] pBuffer = null;
//解析Data Field
pBuffer = new byte[PacketConstant.MAX_FIELDNAME_SIZE];
Array.Copy((byte[])this._pContent, 0, pBuffer, 0, PacketConstant.MAX_FIELDNAME_SIZE);
this._eField = (DataField)BitConverter.ToUInt32(pBuffer, 0);
//解析Data Format
pBuffer = new byte[PacketConstant.MAX_FIELDFORMAT_SIZE];
Array.Copy((byte[])this._pContent, PacketConstant.MAX_FIELDNAME_SIZE, pBuffer, 0, PacketConstant.MAX_FIELDFORMAT_SIZE);
this._eFormat = (DataFormat)pBuffer[0];
//解析Data Content
pBuffer = new byte[((byte[])this._pContent).Length - PacketConstant.MAX_DATAHEAD_SIZE];
Array.Copy((byte[])this._pContent, PacketConstant.MAX_DATAHEAD_SIZE, pBuffer, 0, pBuffer.Length);
if (pBuffer.Length == 0)
{
this._pContent = DBNull.Value;
}
else
{
this._pContent = DataUtilise.BufferToDate(this._eFormat, pBuffer);
}
}
catch (Exception ex)
{
this._eField = DataField.MESSAGE;
this._eFormat = DataFormat.STRING;
this._pContent = String.Format("Extract Error ： \r\n\a\t{0}", ex.Message);
}
}
