C# SOCKET通信 客戶端 服務器端代碼

C/S結構的通信：

客戶端：

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Windows.Forms; 
using System.Net; 
using System.Net.Sockets; 
 
namespace TcpClient 
{ 
    public partial class Form1 : Form 
    { 
        public string serverIP = "127.0.0.1"; 
        public int serverPort = 8888; 
        public IPAddress serverIPAddress; 
        public System.Net.Sockets.TcpClient tcpClient; 
 
        public Form1() 
        { 
            InitializeComponent(); 
        } 
 
        private void button1_Click(object sender, EventArgs e) 
        { 
            serverIP = ipbox.Text; 
            serverIPAddress = IPAddress.Parse(serverIP); 
            serverPort = int.Parse(portbox.Text); 
            tcpClient = new System.Net.Sockets.TcpClient(); 
            tcpClient.Connect(serverIPAddress,serverPort); 
 
            if (tcpClient == null) 
            { 
                MessageBox.Show("無法連接到服務器，請重試！", 
                                "錯誤", 
                                MessageBoxButtons.OK, 
                                MessageBoxIcon.Exclamation); 
            } 
            else 
            { 
                // 獲取一個和服務器關聯的網絡流 
                NetworkStream networkStream = tcpClient.GetStream(); 
                // 給服務器發送用戶名 
                byte[] userName_byte = Encoding.Unicode.GetBytes(userNameBox.Text.Trim()); 
                networkStream.Write(userName_byte,0,userName_byte.Length); 
                networkStream.Flush(); 
 
                // 讀取服務器返回的信息 
                byte[] inforBuffer = new byte[100]; 
                networkStream.Read(inforBuffer,0,inforBuffer.Length); 
                networkStream.Flush(); 
                string resultFromServer = Encoding.Unicode.GetString(inforBuffer); 
                this.statusbox.Text = resultFromServer; 
            } 
 
        } 
    } 
}  
服務器端：

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using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
using System.Net.Sockets; 
using System.Net; 
using System.Threading; 
 
namespace TcpServer 
{ 
    class Listener 
    { 
        public TcpListener tcpListener; 
        public int port = 8888; 
        public IPAddress ipAddress = IPAddress.Parse("10.108.13.27"); 
 
        public void Start() 
        { 
            tcpListener = new TcpListener(ipAddress,port); 
            tcpListener.Start(); 
            Console.WriteLine("begin listen port {0}",port); 
 
            while (true) 
            { 
                byte[] buffer = new byte[100]; 
 
                Socket newClient = tcpListener.AcceptSocket(); 
                newClient.Receive(buffer); 
                string userName = Encoding.Unicode.GetString(buffer).TrimEnd('\0'); 
                Console.WriteLine("user :{0} login",userName); 
 
                newClient.Send(Encoding.Unicode.GetBytes("success")); 
 
                Thread threadClient = new Thread(new ParameterizedThreadStart(clientProcess)); 
                threadClient.Start(newClient); 
            } 
        } 
 
        public void clientProcess(object info) 
        { 
            Socket socket = info as Socket; 
        } 
    } 
}