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ChattingRoom.htm
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<html>
<link REL="stylesheet" TYPE="text/css" href="/ccc.css"/>
<BODY text=#000000 bgColor=#336699 hlink="red">
<BR/>
<center style="color:white">
<a class="bigwhite" href="/ccc.htm" style="color:white">陳鍾誠</a> |
<a class="bigwhite" href="/ccc.htm#teach" style="color:white">教材</a> |
<a class="bigwhite" href="/ccc.htm#code" style="color:white">程式</a> |
<a class="bigwhite" href="/ccc.htm#article" style="color:white">文章</a> |
<a class="bigwhite" href="/ccc.htm#web" style="color:white">網站</a> |
<a class="bigwhite" href="http://blog.yam.com/msg/ccckmit" style="color:white">留言版</a>
<BR/>
<BR/>
<TABLE width="98%" border=0>
</tr>
<TR style="vertical-align:top" height="400">
<TD class=body colspan="6" style="vertical-align:top;padding-left:0.5cm;padding-right:0.5cm">
<BR/>
<META http-equiv=Content-Type content="text/html; charset=UTF-8">
<H2>自己動手設計多人聊天室程式 - 使用 C#</H2>
<BR/>
<pre>
// ---------------------------------------------------------------
// 共有四個程式檔案
//
// 程式檔 : ChatLib.cs
// 程式檔 : ChattingServer.cs
// 程式檔 : FormChatClient.cs
// 程式檔 : FormChatClient.Designer.cs
//
// 編譯方式 :
// 步驟 1 : csc ChattingServer.cs ChatLib.cs
// 會產生 ChattingServer.exe 檔
//
// 步驟 2 : csc FormChatClient.cs FormChatClilent.Designer.cs ChatLib.cs
// 會產生 FormChatClient.exe 檔
//
// 執行方式 :
// 步驟 1 : 執行 ChattingServer.exe
// 步驟 2 : 執行 FormChatClient.exe
// 步驟 3 : 執行 FormChatClient.exe
//
// 如此，兩個 FormChatClient.exe 的視窗間即可透過本機聊天
// ---------------------------------------------------------------
</pre>
<BR/>
<pre>
// ------------------------- ChatLib.cs --------------------------
using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
<BR/>
namespace ChattingRoom
{
public class ChatSetting
{
public static String serverIp = "192.168.100.172";
public static int port = 3766;
}
<BR/>
public delegate String StrHandler(String str);
<BR/>
public class ChatSocket
{
public Socket socket;
public NetworkStream stream;
public StreamReader reader;
public StreamWriter writer;
public StrHandler inHandler;
public EndPoint remoteEndPoint;
public bool isDead = false;
<BR/>
public ChatSocket(Socket s)
{
socket = s;
stream = new NetworkStream(s);
reader = new StreamReader(stream);
writer = new StreamWriter(stream);
remoteEndPoint = socket.RemoteEndPoint;
}
<BR/>
public String receive()
{
return reader.ReadLine();
}
<BR/>
public ChatSocket send(String line)
{
writer.WriteLine(line);
writer.Flush();
return this;
}
<BR/>
public static ChatSocket connect(String ip)
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(ip), ChatSetting.port);
<BR/>
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(ipep);
return new ChatSocket(socket);
}
<BR/>
public Thread newListener(StrHandler pHandler)
{
inHandler = pHandler;
<BR/>
Thread listenThread = new Thread(new ThreadStart(listen));
listenThread.Start();
return listenThread;
}
<BR/>
public void listen()
{
try
{
while (true)
{
String line = receive();
inHandler(line);
}
}
catch (Exception ex)
{
isDead = true;
Console.WriteLine(ex.Message);
}
}
}
}
</pre>
<BR/>
<pre>
// ------------------------- ChattingServer.cs -------------------
using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Collections.Generic;
<BR/>
namespace ChattingRoom
{
public class ChatServer
{
List<ChatSocket> clientList = new List<ChatSocket>();
<BR/>
public static void Main(String[] args)
{
ChatServer chatServer = new ChatServer();
chatServer.run();
}
<BR/>
public void run()
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, ChatSetting.port);
<BR/>
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
<BR/>
newsock.Bind(ipep);
newsock.Listen(10);
<BR/>
while (true)
{
Socket socket = newsock.Accept();
Console.WriteLine("接受一個新連線!");
ChatSocket client = new ChatSocket(socket);
try
{
clientList.Add(client);
client.newListener(processMsgComeIn);
}
catch
{
}
// clientList.Remove(client);
}
// newsock.Close();
}
<BR/>
public String processMsgComeIn(String msg)
{
Console.WriteLine("收到訊息："+msg);
broadCast(msg);
return "OK";
}
<BR/>
public void broadCast(String msg)
{
Console.WriteLine("廣播訊息給 " + msg+" 線上使用者共"+clientList.Count+"個人!");
foreach (ChatSocket client in clientList)
{
if (!client.isDead) {
Console.WriteLine("Send to "+client.remoteEndPoint.ToString()+":"+msg);
client.send(msg);
}
}
}
}
}
</pre>
<BR/>
<pre>
// ------------------------- FormChatClient.cs -------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
<BR/>
namespace ChattingRoom
{
public partial class FormChatClient : Form
{
ChatSocket client;
StrHandler msgHandler;
<BR/>
public FormChatClient()
{
InitializeComponent();
<BR/>
msgHandler = this.addMsg;
}
<BR/>
private void buttonSend_Click(object sender, EventArgs e)
{
sendMsg();
}
private void textBoxMsg_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == '\r')
sendMsg();
}
<BR/>
public String user() {
return textBoxUser.Text.Trim();
}
<BR/>
public String msg() {
return textBoxMsg.Text;
}
<BR/>
public void sendMsg()
{
if (user().Length == 0)
{
MessageBox.Show("請輸入使用者名稱!");
return;
}
if (client == null) {
client = ChatSocket.connect(ChatSetting.serverIp);
client.newListener(processMsgComeIn);
client.send(user() + " : 新使用者進入!");
textBoxUser.Enabled = false;
}
if (msg().Length > 0) {
client.send(user()+" : "+msg());
textBoxMsg.Text = "";
}
}
<BR/>
public String processMsgComeIn(String msg)
{
this.Invoke(msgHandler, new Object[] { msg });
return "OK";
}
<BR/>
public String addMsg(String msg)
{
richTextBoxBoard.AppendText(msg + "\n");
return "OK";
}
}
}
</pre>
<BR/>
<pre>
// ------------------------- FormChatClient.Designer.cs ----------
namespace ChattingRoom
{
partial class FormChatClient
{
/// <summary>
/// 設計工具所需的變數。
/// </summary>
private System.ComponentModel.IContainer components = null;
<BR/>
/// <summary>
/// 清除任何使用中的資源。
/// </summary>
/// <param name="disposing">如果應該公開 Managed 資源則為 true，否則為 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
<BR/>
#region Windows Form 設計工具產生的程式碼
<BR/>
/// <summary>
/// 此為設計工具支援所需的方法 - 請勿使用程式碼編輯器修改這個方法的內容。
///
/// </summary>
private void InitializeComponent()
{
this.panelInput = new System.Windows.Forms.Panel();
this.labelSaid = new System.Windows.Forms.Label();
this.textBoxUser = new System.Windows.Forms.TextBox();
this.textBoxMsg = new System.Windows.Forms.TextBox();
this.buttonSend = new System.Windows.Forms.Button();
this.panelPadding1 = new System.Windows.Forms.Panel();
this.panelMsg = new System.Windows.Forms.Panel();
this.richTextBoxBoard = new System.Windows.Forms.RichTextBox();
this.panelInput.SuspendLayout();
this.panelMsg.SuspendLayout();
this.SuspendLayout();
//
// panelInput
//
this.panelInput.Controls.Add(this.labelSaid);
this.panelInput.Controls.Add(this.textBoxUser);
this.panelInput.Controls.Add(this.textBoxMsg);
this.panelInput.Controls.Add(this.buttonSend);
this.panelInput.Controls.Add(this.panelPadding1);
this.panelInput.Dock = System.Windows.Forms.DockStyle.Bottom;
this.panelInput.Location = new System.Drawing.Point(0, 283);
this.panelInput.Name = "panelInput";
this.panelInput.Size = new System.Drawing.Size(494, 64);
this.panelInput.TabIndex = 0;
//
// labelSaid
//
this.labelSaid.AutoSize = true;
this.labelSaid.Font = new System.Drawing.Font("DFKai-SB", 15.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.labelSaid.Location = new System.Drawing.Point(94, 17);
this.labelSaid.Name = "labelSaid";
this.labelSaid.Size = new System.Drawing.Size(54, 21);
this.labelSaid.TabIndex = 4;
this.labelSaid.Text = "說：";
//
// textBoxUser
//
this.textBoxUser.Location = new System.Drawing.Point(3, 17);
this.textBoxUser.Name = "textBoxUser";
this.textBoxUser.Size = new System.Drawing.Size(88, 22);
this.textBoxUser.TabIndex = 3;
//
// textBoxMsg
//
this.textBoxMsg.Location = new System.Drawing.Point(154, 17);
this.textBoxMsg.Name = "textBoxMsg";
this.textBoxMsg.Size = new System.Drawing.Size(250, 22);
this.textBoxMsg.TabIndex = 2;
this.textBoxMsg.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBoxMsg_KeyPress);
//
// buttonSend
//
this.buttonSend.Location = new System.Drawing.Point(410, 14);
this.buttonSend.Name = "buttonSend";
this.buttonSend.Size = new System.Drawing.Size(81, 28);
this.buttonSend.TabIndex = 1;
this.buttonSend.Text = "送出";
this.buttonSend.UseVisualStyleBackColor = true;
this.buttonSend.Click += new System.EventHandler(this.buttonSend_Click);
//
// panelPadding1
//
this.panelPadding1.Dock = System.Windows.Forms.DockStyle.Bottom;
this.panelPadding1.Location = new System.Drawing.Point(0, 48);
this.panelPadding1.Name = "panelPadding1";
this.panelPadding1.Size = new System.Drawing.Size(494, 16);
this.panelPadding1.TabIndex = 0;
//
// panelMsg
//
this.panelMsg.Controls.Add(this.richTextBoxBoard);
this.panelMsg.Dock = System.Windows.Forms.DockStyle.Fill;
this.panelMsg.Location = new System.Drawing.Point(0, 0);
this.panelMsg.Name = "panelMsg";
this.panelMsg.Size = new System.Drawing.Size(494, 283);
this.panelMsg.TabIndex = 1;
//
// richTextBoxBoard
//
this.richTextBoxBoard.Dock = System.Windows.Forms.DockStyle.Fill;
this.richTextBoxBoard.Location = new System.Drawing.Point(0, 0);
this.richTextBoxBoard.Name = "richTextBoxBoard";
this.richTextBoxBoard.Size = new System.Drawing.Size(494, 283);
this.richTextBoxBoard.TabIndex = 0;
this.richTextBoxBoard.Text = "";
//
// FormChatClient
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(494, 347);
this.Controls.Add(this.panelMsg);
this.Controls.Add(this.panelInput);
this.Name = "FormChatClient";
this.Text = "C# 聊天室";
this.panelInput.ResumeLayout(false);
this.panelInput.PerformLayout();
this.panelMsg.ResumeLayout(false);
this.ResumeLayout(false);
<BR/>
}
<BR/>
#endregion
<BR/>
private System.Windows.Forms.Panel panelInput;
private System.Windows.Forms.Panel panelMsg;
private System.Windows.Forms.TextBox textBoxMsg;
private System.Windows.Forms.Button buttonSend;
private System.Windows.Forms.Panel panelPadding1;
private System.Windows.Forms.RichTextBox richTextBoxBoard;
private System.Windows.Forms.Label labelSaid;
private System.Windows.Forms.TextBox textBoxUser;
}
}
</pre>
<BR/>
<pre>
using System;
using System.Collections.Generic;
using System.Windows.Forms;
<BR/>
namespace ChattingRoom
{
static class Program
{
/// <summary>
/// 應用程式的主要進入點。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new FormChatClient());
Application.Exit();
}
}
}
</pre>
<BR/>
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<TD colspan="6">
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作者：<a style="color:white" href="/ccc/me/index.htm">陳鍾誠</a> E-mail:<a href="mailto:[email protected]" style="color:white">[email protected]</a>。
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