/// <summary>
    /// 连接服务
    /// </summary>
    /// <param name="url"></param>
    /// <param name="data"></param>
    /// <returns></returns>
    public static string GetContentFromUrl(string url, string data)
    {
        Socket sokClient = null;
        string Message = "";
        try
        {


            sokClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            IPAddress address = IPAddress.Parse(url);
            IPEndPoint point = new IPEndPoint(address, 8000);
            sokClient.Blocking = true;
            sokClient.Connect(point);

            char[] cmgs = data.ToCharArray(); //字符串转字符数组
            byte[] message = new byte[1024];
            message = Encoding.Default.GetBytes(data);
            sokClient.Send(message);

            byte[] totalBytes = null;
            int receiveLength = 0;
            do
            {
                byte[] buffer = new byte[1024];
                receiveLength = sokClient.Receive(buffer, buffer.Length, 0);
                if (totalBytes == null)
                {
                    totalBytes = new byte[receiveLength];
                    Buffer.BlockCopy(buffer, 0, totalBytes, 0, receiveLength);
                }
                else
                {
                    byte[] appendBytes = new byte[receiveLength];
                    Buffer.BlockCopy(buffer, 0, appendBytes, 0, receiveLength);
                    byte[] newTotalBytes = new byte[receiveLength + totalBytes.Length];
                    Buffer.BlockCopy(totalBytes, 0, newTotalBytes, 0, totalBytes.Length);
                    Buffer.BlockCopy(appendBytes, 0, newTotalBytes, totalBytes.Length, appendBytes.Length);
                    totalBytes = newTotalBytes;
                }


                //Message = Message + Encoding.Default.GetString(buffer, 0, bytes);

                if (sokClient.Available <= 0)
                {
                    break;
                }

            } while (receiveLength > 0 && receiveLength == 1024);

            Message = Encoding.Default.GetString(totalBytes);

            return Message;
        }
        catch (Exception ex)
        {
            return ex.Message;
        }
        finally
        {
            sokClient.Close();
        }