//實例化線程組
  Thread[] clientThreads = new Thread[numThread];

  for (int i = 0; i < numThread; i++)
  {
    clientThreads[i] = new Thread(new ParameterizedThreadStart(SocketClient));
    clientThreads[i].Start(i);
  }

static void SocketClient(object s)
  {
   //本機地址字符串
   string strAddress = (13010001000 + Convert.ToInt32(s)).ToString() + "0";

   IPHostEntry ipHost = Dns.Resolve(ipServer);
   IPAddress ipAddress = ipHost.AddressList[0];
   IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, portServer);
   //實例化套接字
   Socket socketClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

   try
   {
    socketClient.Connect(ipEndPoint);
    WriteLine(string.Format("Successfully connected to {0}! Socket Client {1}", socketClient.RemoteEndPoint, strAddress));

    byte[] byteAddr = new byte[6];
    byteAddr[0] = Convert.ToByte(strAddress.Substring(0, 2), 0x10);
    byteAddr[1] = Convert.ToByte(strAddress.Substring(2, 2), 0x10);
    byteAddr[2] = Convert.ToByte(strAddress.Substring(4, 2), 0x10);
    byteAddr[3] = Convert.ToByte(strAddress.Substring(6, 2), 0x10);
    byteAddr[4] = Convert.ToByte(strAddress.Substring(8, 2), 0x10);
    byteAddr[5] = Convert.ToByte(strAddress.Substring(10, 2), 0x10);

    Packet pkt = new Packet();
    byte[] heartpkt = pkt.SendHeartPkt(byteAddr, addrTarget);

    int times = timerdata / timerheart;
    Random rd = new Random();

    while (true)
    {
     for (int i = 0; i < times - 1; i++)
     {
      socketClient.Send(heartpkt);
      WriteLine(string.Format("Send: {0}! \r\n Socket Client {1}", pkt.BytesToStr(heartpkt), strAddress));
      System.Threading.Thread.Sleep(1000 * timerheart);
     }
     UInt16 i1 = (UInt16)rd.Next(100);
     UInt16 i2 = (UInt16)rd.Next(100);
     UInt16 i3 = (UInt16)rd.Next(100);
     UInt16 i4 = (UInt16)rd.Next(100);
     UInt16 i5 = (UInt16)rd.Next(100);

     byte[] byte1 = BitConverter.GetBytes(i1);
     byte[] byte2 = BitConverter.GetBytes(i2);
     byte[] byte3 = BitConverter.GetBytes(i3);
     byte[] byte4 = BitConverter.GetBytes(i4);
     byte[] byte5 = BitConverter.GetBytes(i5);

     byte[] databyte = new byte[10];
     databyte[0] = byte1[1];
     databyte[1] = byte1[0];
     databyte[2] = byte2[1];
     databyte[3] = byte2[0];
     databyte[4] = byte3[1];
     databyte[5] = byte3[0];
     databyte[6] = byte4[1];
     databyte[7] = byte4[0];
     databyte[8] = byte5[1];
     databyte[9] = byte5[0];

     byte[] datapkt = pkt.SendDataPkt(byteAddr, addrTarget, databyte);
     socketClient.Send(datapkt);
     WriteLine(string.Format("Send: {0}! \r\n Socket Client {1}", pkt.BytesToStr(datapkt), strAddress));
     System.Threading.Thread.Sleep(1000 * timerheart);
    }
   }
   catch (Exception ex)
   {
    WriteLine(string.Format("Exception:{0} \r\n Socket Client {1}", ex.ToString(), strAddress));
   }
  }