简易聊天室

简易网络聊天室的实现(c#)服务器端界面代码：using System;using System.Collections.Generic;using System.Collections;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using ;using .Sockets;using System.Threading;namespace聊天室服务器端{public partial class Form1 : Form{public int listenport = 8888; //服务器端监听端口private TcpListener listener; //服务器监听器private ArrayList clients; // 已连接客户端数组private Thread processor; //主线程private Socket clientsocket; //客户端套接字private Thread clientservice; //客户端线程public Form1(){InitializeComponent();textPort.Text = "8888";}private void StartListening(){listener = new TcpListener(listenport);listener.Start();while (true){try{Socket s = listener.AcceptSocket();clientsocket = s;clientservice = new Thread(new ThreadStart(Servic eClient));clientservice.Start(); //开始监听}catch (Exception e){Console.WriteLine(e.ToString());}}//listener.Stop();}private void ServiceClient(){Socket client = clientsocket;bool alive = true;while (alive){Byte[] buffer = new Byte[2048000];client.Receive(buffer);// string time = System.DateTime.Now.ToString();string clientcommand = System.Text.Encoding.Default.G etString(buffer);string[] tokens = clientcommand.Split(new Char[] { '| ' });if (tokens[0] == "CONNECT"){for (int n = 0; n < clients.Count; n++){Client cl = (Client)clients[n];SendToClient(cl, "JOIN|" + tokens[1]);}EndPoint ep = client.RemoteEndPoint;Client c = new Client(tokens[1], ep, clientservice, client);clients.Add(c);string message = "LISTEN|" + GetChatterList() + "\ r\n";SendToClient(c, message);clientlist.Items.Add(c);}if (tokens[0] == "CHAT"){for (int n = 0; n < clients.Count; n++){Client cl = (Client)clients[n];SendToClient(cl, clientcommand);}}if (tokens[0] == "PRIV"){string destclient = tokens[3];for (int n = 0; n < clients.Count; n++){Client cl = (Client)clients[n];if (pareTo(tokens[3]) == 0)SendToClient(cl, clientcommand);if (pareTo(tokens[1]) == 0)SendToClient(cl, clientcommand);}}if (tokens[0] == "LEAVE"){int remove = 0;bool found = false;int c = clients.Count;for (int n = 0; n < c; n++){Client cl = (Client)clients[n];SendToClient(cl, clientcommand);if (pareTo(tokens[1]) == 0){remove = n;found = true;clientlist.Items.Remove(cl);}}if (found)clients.RemoveAt(remove);client.Close();alive = false;}}}private void SendToClient(Client cl, string message){try{byte[] buffer = System.Text.Encoding.Default.GetBytes (message.ToCharArray());cl.Sock.Send(buffer, buffer.Length, 0);}catch (Exception){cl.Sock.Close();cl.CLThread.Abort();clients.Remove(cl);clientlist.Items.Remove( + " : " + cl.Host.ToS tring());}}private string GetChatterList(){string chatters = "";for (int n = 0; n < clients.Count; n++){Client cl = (Client)clients[n];chatters += ;chatters += "|";}chatters.Trim(new char[] { '|' });return chatters;}private void button1_Click(object sender, EventArgs e){if(textPort.Text!="8888")listenport = Convert.ToInt32( textPort.Text);Control.CheckForIllegalCrossThreadCalls = false;clients = new ArrayList(); //开始一个监听线程processor = new Thread(new ThreadStart(StartListening)); processor.Start();MessageBox.Show("开始监听！");}}}客户端界面：代码：using System;using System.Collections.Generic; using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using ;using .Sockets;using System.IO;using System.Threading;using FCG.Windows.Forms; namespace聊天室程序{public partial class Form1 : Form{private int serverport;private TcpClient clientsocket;private NetworkStream ns;private StreamReader sr;private Thread recThread = null;private string serveraddress;private string clientname;private bool connected = false;public Form1(){InitializeComponent();// btn_savemessage.Enabled = false;Control.CheckForIllegalCrossThreadCalls = false;btn_shutdown.Enabled = false;btn_stopconnect.Enabled = false;btn_send.Enabled = false;radioBtn_public.Checked = true;textBox_port.Text = "8888";textBox_ip.Text = "127.0.0.1";}protected override void OnClosed(EventArgs e){QuitChat();if (recThread != null && recThread.IsAlive)recThread.Abort();base.OnClosed(e);}private void CreateConnection(){label_show.Text = "连接到服务器";try{clientsocket = new TcpClient(serveraddress, serverpor t);ns = clientsocket.GetStream();sr = new StreamReader(ns);connected = true;}catch (Exception ){MessageBox.Show("无法连接到服务器", "ERROR", MessageBox Buttons.OK,MessageBoxIcon.Exclamation);label_show.Text = "未连接到服务器";}}private void StoreforServer(){try{string command = "CONNECT|" + textBox_username.Text; Byte[] outbytes = System.Text.Encoding.Default.GetByt es(command);ns.Write(outbytes, 0, outbytes.Length);string serverresponse = sr.ReadLine();serverresponse.Trim();string[] tokens = serverresponse.Split(new Char[] { ' |' });if (tokens[0] == "LISTEN"){label_show.Text = "连接到服务器";btn_stopconnect.Enabled = true;}for (int n = 1; n < tokens.Length - 1; n++)onlineUser.Items.Add(tokens[n].Trim(new char[] { '\r', '\n' }));// MessageBox.Show(tokens[1]);this.Text = clientname + ": 连接到服务器";}catch (Exception ){MessageBox.Show("未连接到！", "Error", MessageBoxButton s.OK,MessageBoxIcon.Exclamation);}}private void ReceiveChat(){bool alive = true;while (alive){try{Byte[] buffer = new Byte[2048000];ns.Read(buffer, 0, buffer.Length);string time = System.DateTime.Now.ToLongTimeStrin g();string chatter = System.Text.Encoding.Default.Get String(buffer);string[] tokens = chatter.Split(new Char[] { '|' });if (tokens[0] == "CHAT"){allmessage.AppendText(tokens[1].Trim());allmessage.AppendText(" " + time + " \r\n"); allmessage.AppendText(tokens[2].Trim());}if (tokens[0] == "PRIV"){allmessage.AppendText("悄悄话来自");allmessage.AppendText(tokens[1].Trim());allmessage.AppendText(" "+time + "\r\n");allmessage.AppendText(tokens[2]+ "\r\n");//不同聊天模式token格式不一样}if (tokens[0] == "JOIN"){allmessage.AppendText(time + " ");allmessage.AppendText(tokens[1].Trim());allmessage.AppendText("加入聊天室" + "\r\n");string newcomer = tokens[1].Trim(new char[]{'\ r','\n'});//string newcomer = tokens[1].Trim();//MessageBox.Show(newcomer);onlineUser.Items.Add(newcomer);}if (tokens[0] == "LEAVE"){allmessage.AppendText(time + " ");allmessage.AppendText(tokens[1].Trim());allmessage.AppendText("退出了聊天室" + "\r\n");string leaver = tokens[1].Trim(new char[]{'\r', '\n'});for (int n = 0; n < onlineUser.Items.Count ; n+ +){if(onlineUser.Items[n].ToString().CompareTo (leaver )==0){onlineUser.Items.RemoveAt(n);}}}if (tokens[0] == "QUIT"){ns.Close();clientsocket.Close();alive = false;label_show.Text="服务器断开";connected = false;btn_send.Enabled = false; btn_stopconnect.Enabled = false;btn_shutdown.Enabled = false;MessageBox.Show("服务器断开!");}}catch (Exception ) { }}}private void QuitChat(){if (connected){try{string command = "LEAVE|" + clientname;Byte[] outbytes = System.Text.Encoding.Default.Ge tBytes(command);ns.Write(outbytes, 0, outbytes.Length);clientsocket.Close();}catch (Exception ){}}if (recThread != null && recThread.IsAlive)recThread.Abort();this.Text = "聊天室客户端";}private void btn_connect_Click(object sender, EventArgs e) {if (textBox_username.Text == "" || textBox_ip.Text == "" || textBox_port.Text == ""){MessageBox.Show("请输入完整信息", "Error",MessageBoxBut tons.OK, MessageBoxIcon.Exclamation);return;}else{clientname = textBox_username.Text;serveraddress = textBox_ip.Text;serverport = int.Parse(textBox_port.Text);textBox_ip.Enabled = false;textBox_port.Enabled = false;textBox_username.Enabled = false;}CreateConnection();if (connected){StoreforServer();recThread = new Thread(new ThreadStart(ReceiveChat)); recThread.Start();btn_send.Enabled = true;btn_shutdown.Enabled = true;btn_connect.Enabled = false;// btn_savemessage.Enabled = true;richTextBox1.Text = "";}}private void btn_send_Click(object sender, EventArgs e){try{if (radioBtn_public.Checked){string pubcommand = "CHAT|" + clientname + "| " + richTextBox1.Text +"\r\n";Byte[] outbytes = System.Text.Encoding.Default.Ge tBytes(pubcommand);ns.Write(outbytes, 0, outbytes.Length);richTextBox1.Text = "";}else{if (onlineUser.SelectedIndex == -1){MessageBox.Show("请选择需要单独聊天的用户", "Error ",MessageBoxButtons.OK, MessageBoxIcon.Exclamation);return;}string destclient = onlineUser.SelectedItem.ToString();string command = "PRIV|" + clientname + "| " + ric hTextBox1.Text + "|" + destclient;Byte[] outbytes = System.Text.Encoding.Default.Ge tBytes(command);ns.Write(outbytes, 0, outbytes.Length);richTextBox1.Text = "";}}catch (Exception ){MessageBox.Show("失去与服务器的连接", "Error",MessageBoxButtons.OK, MessageBoxIcon.Exclamation); ns.Close();clientsocket.Close();if (recThread != null && recThread.IsAlive)recThread.Abort();connected = false;label_show.Text = "未连接到服务器";}}private void message_KeyPress(object sender, System.Windows. Forms.KeyPressEventArgs e){if (e.KeyChar == '\r')if (connected)btn_send_Click(sender, e);elsebtn_connect_Click(sender, e);}private void btn_stopconnect_Click(object sender, EventArgs e){QuitChat();btn_stopconnect.Enabled = false;btn_connect.Enabled = true;btn_send.Enabled = false;btn_shutdown.Enabled = false;ns.Close();clientsocket.Close();recThread.Abort();connected = false;onlineUser.Items.Clear();label_show.Text = "未连接到服务器";textBox_ip.Enabled = true;textBox_username.Enabled = true; }}}。