program.cs

visual c# 网络编程技术与实践实例包括几个源码

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;


namespace socketclient
{
    class Program
    {
        static void Main(string[] args)
        {
            Socket Server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP); //建立客户端套接字
            IPAddress adr = IPAddress.Parse("127.0.0.1");
            IPEndPoint ep = new IPEndPoint(adr, 3000);

            Server.Connect(ep); //完成绑定

            byte[] buffer = new byte[255];
            String data = null;
            int recv = 0;
            recv = Server.Receive(buffer);

            if (recv > 0)
            {
                Console.WriteLine("连接上...");
                Console.WriteLine("从服务器接收数据...");

                data = Encoding.ASCII.GetString(buffer, 0, recv);
                Console.WriteLine(data);
                while (true)
                {
                    String input;
                    input = Console.ReadLine();
                    if (input == "exit")
                    {
                        break;
                    }
                    Server.Send(Encoding.ASCII.GetBytes(input));
                }

                Console.WriteLine("连接断开...");
                Server.Shutdown(SocketShutdown.Both);
                Server.Close();
            }

        }
    }
}