UDP通信-UdpClient

  static void Main(string[] args)
        {
            Console.WriteLine("发送端");
            byte[] buffer = System.Text.Encoding.Default.GetBytes("this message from client");
 
            UdpClient client = new UdpClient();
 
            client.Connect("127.0.0.1", 8989);
 
            client.Send(buffer, buffer.Length);
 
            client.Close();
 
        }

　　

        static void Main(string[] args)
        {
            Console.WriteLine("接收端");
            UdpClient client = new UdpClient(new IPEndPoint(IPAddress.Any, 8989));
            var iep=new IPEndPoint(IPAddress.Any, 8989);
            byte[] bytes = client.Receive(ref iep);
            string result= System.Text.Encoding.Default.GetString(bytes);
 
            client.Close();
            Console.WriteLine(result);
            Console.ReadKey();
        }