Socket編程三

客戶端

using System.Windows.Forms;
using System.Net;
using System.Threading;
using System.Net.Sockets;
namespace QQ
{
    public partial class Socketclient : Form
    {
        public Socketclient()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            string str = this.textBox1.Text.ToString();
            BeginSend(str);
        }
        private void BeginSend(string str)
        {
            IPAddress serverIp = IPAddress.Parse("127.0.0.1");
            IPEndPoint iep = new IPEndPoint(serverIp,8000);
            byte[] byteMessage;
            Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
            socket.Connect(iep);
            byteMessage = Encoding.ASCII.GetBytes(str);
            socket.Send(byteMessage);
            socket.Shutdown(SocketShutdown.Both);
            socket.Close();
        }
    }
}

服務器端

using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Net.Mime;
namespace QQ
{
    public partial class SocketServer : Form
    {
        Thread myThread;
        Socket socket;
        private delegate void listbox_show(string str);
        listbox_show listboxshow;
        public SocketServer()
        {
            InitializeComponent();
            listboxshow = new listbox_show(show);
        }
        private IPAddress GetServerIp()
        {
            IPHostEntry ieh = Dns.GetHostByName(Dns.GetHostName());
            return ieh.AddressList[0];
        }
        private void BeginListen()
        {
            IPAddress ip1 = GetServerIp();
            IPEndPoint iep = new IPEndPoint(ip1, 8000);
            socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            socket.Bind(iep);
            byte[] byteMessage=new byte[1000];
            while (true)
            {
                try
                {
                    socket.Listen(5);
                    Socket clientSocket = socket.Accept();
                    clientSocket.Receive(byteMessage);
                    string sTime = DateTime.Now.ToShortDateString();
                    string msg = sTime + ":" + "Message from:";
                    msg += clientSocket.RemoteEndPoint.ToString() + Encoding.Default.GetString(byteMessage);
                    this.listBox1.Invoke(listboxshow,msg);
                }
                catch (System.Exception ex)
                {
                    MessageBox.Show(ex.Message.ToString());
                }
            }
        }
        private void show(string str)
        {
            this.listBox1.Items.Add(str);
        }
        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                myThread = new Thread(new ThreadStart(BeginListen));
                myThread.Start();
                this.button1.Enabled = false;
            }
            catch (System.Exception er)
            {
                MessageBox.Show(er.Message,"完成",MessageBoxButtons.OK,MessageBoxIcon.Stop);
            }
        }
    }
}