udpclient类应用实例 客户机程序

using System;
using
using
namespace testUdpClient
{
    class Class1
    {
        static void Main(string[]args)
        {
             string sendString="你好，继续努力";
             Send(sendString);
             Send("quit");
             Console.ReadLine();
        }
        private static void Send(string message)
        {
            UdpClient udpClient=new udpClient(8001);
            try
            {
                Console.WriteLine("向服务器发送数据:{0}",message);
                byte[]sendBytes=System.Text.Encoding.Unicode.GetBytes(message);
                udpClient.Send(sendBytes,sendBytes.Length,"127.0.0.1",8000);
                if(message=="quit")
                {
                    Console.WriteLine("已经向对方发送quit消息，请按回车键退出程序。");
                    return;
                }
                IPEndPoint myHost=null;
                byte[]getBytes=udpClient.Receive(ref myHost);
                string getString=System.Text.Encoding.Unicode.GetString(getBytes);
                Console.WriteLine("接收消息：{0}",getString);
                udpClient.Close();
            }
            catch(Exception err)
            {
                Console.WriteLine(err.ToString());
            }
        }
    }
}