C# Socket編程筆記(3)

TCPClIEnt

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
namespace tcpclient
{
    /// <summary>
    /// Class1 的摘要說明。
    /// </summary>
    class client
    {
        /// <summary>
        /// 應用程序的主入口點。
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            //
            // TODO: 在此處添加代碼以啟動應用程序
            //
            byte[] data=new byte[1024];
            Socket newclient=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
            Console.Write("please input the server ip:");
            string ipadd=Console.ReadLine();
            Console.WriteLine();
            Console.Write("please input the server port:");
            int port=Convert.ToInt32(Console.ReadLine());
            IPEndPoint IE=new IPEndPoint(IPAddress.Parse(ipadd),port);//服務器的IP和端口
            try
            {
                //因為客戶端只是用來向特定的服務器發送信息，所以不需要綁定本機的IP和端口。不需要監聽。
                newclient.Connect(ie);
            }
            catch(SocketException e)
            {
                Console.WriteLine("unable to connect to server");
                Console.WriteLine(e.ToString());
                return;
            }
            int recv = newclient.Receive(data);
            string stringdata=Encoding.ASCII.GetString(data,0,recv);
            Console.WriteLine(stringdata);
            while(true)
            {
                string input=Console.ReadLine();
                if(input=="exit")
                    break;
                newclient.Send(Encoding.ASCII.GetBytes(input));
                data=new byte[1024];
                recv=newclient.Receive(data);
                stringdata=Encoding.ASCII.GetString(data,0,recv);
                Console.WriteLine(stringdata);
            }
            Console.WriteLine("disconnect from sercer");
            newclient.Shutdown(SocketShutdown.Both);
            newclIEnt.Close();
        }
    }
}