/// <summary>
/// 发送缓存区
/// </summary>
/// <param name="content"></param>
/// <param name="bufferOffset"></param>
/// <param name="senderBuffer"></param>
private void WriteSendBuffer(string content,int bufferOffset, byte[] sendBuffer)
{
    int byteLength = Encoding.UTF8.GetByteCount(content);
    if (byteLength <= sendBuffer.Length)
    {
        byte[] sendBytes = Encoding.UTF8.GetBytes(content);
        //中午就会错误的  Encoding.UTF8.GetBytes(content, 0, byteLength, senderBuffer, bufferOffset);
        //以上换成数组拷贝就木问题了
        Array.Copy(sendBytes, 0, sendBuffer, bufferOffset, byteLength);  // 拷贝到数据包缓冲区
    }
}