/// <summary>
/// 获取数据比特流
/// </summary>
/// <returns></returns>
public virtual void WriteMSG()
{
// SendBuf buf = BufferManager.getSendBuffer(opcode, true).writeUshort(cmd).writeBytes(bytes_strm).last();
SendBuffer.writeShort(opcode); //"WO"
SendBuffer.writeInt(msgSize); //uint
SendBuffer.writeShort(cmd);
// SendBuffer.sendbufIndex = 6;
}