form1.cs

Java聊天室基于C/S模式的简单的聊天室系统

/**********************************************
 * 聊天室客户端（教学示例程序）
 * -------------------------------------------
 * 作者：孙继磊
 * 日期：2006-12-4
 * -------------------------------------------
 * 作者保留本软件所有版权。All rights reserved.
 * 你可以免费复制、传播、修改本软件，但要保留本版权信息。
 * -------------------------------------------
 * 修改纪录
 * 
 * ********************************************/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace ChatClient
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private Socket client;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.TextBox message;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ListBox history;
		private System.Windows.Forms.StatusBar statusBar1;
		private System.Windows.Forms.StatusBarPanel connectedPanel;
		private System.Windows.Forms.StatusBarPanel connectedTimePanel;
		private System.Windows.Forms.TextBox userName;
		private System.Windows.Forms.Label label2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.button1 = new System.Windows.Forms.Button();
			this.message = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.history = new System.Windows.Forms.ListBox();
			this.statusBar1 = new System.Windows.Forms.StatusBar();
			this.connectedPanel = new System.Windows.Forms.StatusBarPanel();
			this.connectedTimePanel = new System.Windows.Forms.StatusBarPanel();
			this.userName = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			((System.ComponentModel.ISupportInitialize)(this.connectedPanel)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.connectedTimePanel)).BeginInit();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem6});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem4,
																					  this.menuItem5});
			this.menuItem1.Text = "Server";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "Connect";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "Disconnect";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.Text = "-";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 3;
			this.menuItem5.Text = "Exit";
			this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 1;
			this.menuItem6.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem7,
																					  this.menuItem8});
			this.menuItem6.Text = "Message";
			this.menuItem6.Visible = false;
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 0;
			this.menuItem7.Text = "Send";
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 1;
			this.menuItem8.Text = "Receive";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(576, 504);
			this.button1.Name = "button1";
			this.button1.TabIndex = 7;
			this.button1.Text = "Send";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// message
			// 
			this.message.Location = new System.Drawing.Point(72, 504);
			this.message.Name = "message";
			this.message.Size = new System.Drawing.Size(496, 21);
			this.message.TabIndex = 6;
			this.message.Text = "textBox1";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 504);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 23);
			this.label1.TabIndex = 5;
			this.label1.Text = "Message";
			// 
			// history
			// 
			this.history.ItemHeight = 12;
			this.history.Location = new System.Drawing.Point(8, 40);
			this.history.Name = "history";
			this.history.Size = new System.Drawing.Size(656, 460);
			this.history.TabIndex = 4;
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 539);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
																						  this.connectedPanel,
																						  this.connectedTimePanel});
			this.statusBar1.ShowPanels = true;
			this.statusBar1.Size = new System.Drawing.Size(672, 22);
			this.statusBar1.TabIndex = 8;
			// 
			// connectedPanel
			// 
			this.connectedPanel.Text = "Unconnected";
			// 
			// connectedTimePanel
			// 
			this.connectedTimePanel.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Contents;
			this.connectedTimePanel.Width = 10;
			// 
			// userName
			// 
			this.userName.Location = new System.Drawing.Point(112, 8);
			this.userName.MaxLength = 10;
			this.userName.Name = "userName";
			this.userName.Size = new System.Drawing.Size(224, 21);
			this.userName.TabIndex = 11;
			this.userName.Text = "无名小卒";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 8);
			this.label2.Name = "label2";
			this.label2.TabIndex = 10;
			this.label2.Text = "User Name:";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(672, 561);
			this.Controls.Add(this.userName);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.statusBar1);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.message);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.history);
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.Text = "Chat Client";
			((System.ComponentModel.ISupportInitialize)(this.connectedPanel)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.connectedTimePanel)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void menuItem2_Click(object sender, System.EventArgs e)
		{
			IPEndPoint remote;
			if(client==null)
				client=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.IP);
			if(!client.Connected)
			{
                remote=new IPEndPoint(IPAddress.Parse("10.3.3.10"),5678);			
				client.Connect(remote);
				history.Items.Add("System : This client has connected to the server.");
				statusBar1.Panels[0].Text="Connected";
				statusBar1.Panels[1].Text="Connected at "+DateTime.Now.ToLocalTime();
				ThreadStart ts=new ThreadStart(this.receiveData);
				Thread t=new Thread(ts);
				t.Start();
			}
			else
			{
				MessageBox.Show("The socket has alreay connected to a server!","message",MessageBoxButtons.OK,MessageBoxIcon.Warning);
				return;
			}
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(message.Text.Trim()=="")
				return;
			client.Send(System.Text.Encoding.Unicode.GetBytes(userName.Text+"说:"+message.Text));//conert string to byte array and send it 
			message.Text="";
		}


		private void menuItem3_Click(object sender, System.EventArgs e)
		{
			client.Shutdown(SocketShutdown.Both);
			client.Close();
			history.Items.Add("System : This client has disconnected from the server.");
			statusBar1.Panels[0].Text="Unconnected";
			statusBar1.Panels[1].Text="";
		}

		private void menuItem5_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
		private void receiveData()
		{
			byte[] buffer=new byte[1024];		
			
			while(true)
			{
				int size=client.Receive(buffer);
				if (size==0)
				{		
					client.Shutdown(SocketShutdown.Both);
					client.Close();
					break;					
				}		
				string txt=System.Text.Encoding.Unicode.GetString(buffer,0,size);//convert byte[] to string
				history.Items.Add(txt);				
			}		
		}
	}
}