chatfrm.cs

《Csharp案例开发》源代码,希望对大家有用～

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;
using System.IO;

namespace LtsClient
{
	/// <summary>
	/// chatFrm 的摘要说明。
	/// </summary>
	public class chatFrm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.Button CloseWin;
		private System.Windows.Forms.Button ViewText;
		private System.Windows.Forms.TextBox PortStr;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Button ExitBtn;
		private System.Windows.Forms.Button OpenBtn;
		private System.Windows.Forms.Button SendBtn;
		private System.Windows.Forms.TextBox RevStr;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox SendStr;
		private System.Windows.Forms.TextBox IPStr;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public chatFrm()
		{
			//
			// 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 Form Designer generated code
		/// <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.groupBox2 = new System.Windows.Forms.GroupBox();
			this.CloseWin = new System.Windows.Forms.Button();
			this.ViewText = new System.Windows.Forms.Button();
			this.PortStr = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.ExitBtn = new System.Windows.Forms.Button();
			this.OpenBtn = new System.Windows.Forms.Button();
			this.SendBtn = new System.Windows.Forms.Button();
			this.RevStr = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.SendStr = new System.Windows.Forms.TextBox();
			this.IPStr = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.groupBox2.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.CloseWin);
			this.groupBox2.Controls.Add(this.ViewText);
			this.groupBox2.Controls.Add(this.PortStr);
			this.groupBox2.Controls.Add(this.label4);
			this.groupBox2.Controls.Add(this.ExitBtn);
			this.groupBox2.Controls.Add(this.OpenBtn);
			this.groupBox2.Controls.Add(this.SendBtn);
			this.groupBox2.Controls.Add(this.RevStr);
			this.groupBox2.Controls.Add(this.label3);
			this.groupBox2.Controls.Add(this.SendStr);
			this.groupBox2.Controls.Add(this.IPStr);
			this.groupBox2.Controls.Add(this.label2);
			this.groupBox2.Controls.Add(this.label1);
			this.groupBox2.Location = new System.Drawing.Point(0, 4);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(365, 285);
			this.groupBox2.TabIndex = 3;
			this.groupBox2.TabStop = false;
			this.groupBox2.Enter += new System.EventHandler(this.groupBox2_Enter);
			// 
			// CloseWin
			// 
			this.CloseWin.Location = new System.Drawing.Point(307, 250);
			this.CloseWin.Name = "CloseWin";
			this.CloseWin.Size = new System.Drawing.Size(58, 25);
			this.CloseWin.TabIndex = 22;
			this.CloseWin.Text = "退出";
			this.CloseWin.Click += new System.EventHandler(this.CloseWin_Click);
			// 
			// ViewText
			// 
			this.ViewText.Enabled = false;
			this.ViewText.Location = new System.Drawing.Point(96, 250);
			this.ViewText.Name = "ViewText";
			this.ViewText.Size = new System.Drawing.Size(67, 25);
			this.ViewText.TabIndex = 21;
			this.ViewText.Text = "纪录(&T)";
			this.ViewText.Click += new System.EventHandler(this.ViewText_Click);
			// 
			// PortStr
			// 
			this.PortStr.Location = new System.Drawing.Point(278, 17);
			this.PortStr.Name = "PortStr";
			this.PortStr.Size = new System.Drawing.Size(77, 21);
			this.PortStr.TabIndex = 20;
			this.PortStr.Text = "6868";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(240, 17);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(38, 17);
			this.label4.TabIndex = 19;
			this.label4.Text = "Port";
			// 
			// ExitBtn
			// 
			this.ExitBtn.Enabled = false;
			this.ExitBtn.Location = new System.Drawing.Point(240, 250);
			this.ExitBtn.Name = "ExitBtn";
			this.ExitBtn.Size = new System.Drawing.Size(67, 25);
			this.ExitBtn.TabIndex = 18;
			this.ExitBtn.Text = "停止(&E)";
			this.ExitBtn.Click += new System.EventHandler(this.ExitBtn_Click);
			// 
			// OpenBtn
			// 
			this.OpenBtn.Location = new System.Drawing.Point(163, 250);
			this.OpenBtn.Name = "OpenBtn";
			this.OpenBtn.Size = new System.Drawing.Size(77, 25);
			this.OpenBtn.TabIndex = 17;
			this.OpenBtn.Text = "启动(&O)";
			this.OpenBtn.Click += new System.EventHandler(this.OpenBtn_Click);
			// 
			// SendBtn
			// 
			this.SendBtn.Location = new System.Drawing.Point(29, 250);
			this.SendBtn.Name = "SendBtn";
			this.SendBtn.Size = new System.Drawing.Size(67, 25);
			this.SendBtn.TabIndex = 16;
			this.SendBtn.Text = "发送(&S)";
			this.SendBtn.Click += new System.EventHandler(this.SendBtn_Click);
			// 
			// RevStr
			// 
			this.RevStr.BackColor = System.Drawing.Color.White;
			this.RevStr.Location = new System.Drawing.Point(29, 146);
			this.RevStr.Multiline = true;
			this.RevStr.Name = "RevStr";
			this.RevStr.ReadOnly = true;
			this.RevStr.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.RevStr.Size = new System.Drawing.Size(326, 104);
			this.RevStr.TabIndex = 15;
			this.RevStr.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(10, 146);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(57, 25);
			this.label3.TabIndex = 14;
			this.label3.Text = "收";
			// 
			// SendStr
			// 
			this.SendStr.Location = new System.Drawing.Point(29, 43);
			this.SendStr.MaxLength = 100;
			this.SendStr.Multiline = true;
			this.SendStr.Name = "SendStr";
			this.SendStr.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.SendStr.Size = new System.Drawing.Size(326, 103);
			this.SendStr.TabIndex = 13;
			this.SendStr.Text = "";
			// 
			// IPStr
			// 
			this.IPStr.Location = new System.Drawing.Point(29, 17);
			this.IPStr.Name = "IPStr";
			this.IPStr.Size = new System.Drawing.Size(201, 21);
			this.IPStr.TabIndex = 12;
			this.IPStr.Text = "192.168.0.0";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(10, 43);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(57, 17);
			this.label2.TabIndex = 11;
			this.label2.Text = "发";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(10, 17);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(48, 17);
			this.label1.TabIndex = 10;
			this.label1.Text = "IP";
			// 
			// chatFrm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(374, 294);
			this.Controls.Add(this.groupBox2);
			this.Name = "chatFrm";
			this.Text = "chatFrm";
			this.groupBox2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void CloseBtn_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}//退出

		private string RFileName="ChatRecord.Txt";
		private void ViewText_Click(object sender, System.EventArgs e)
		{
			System.Diagnostics.Process.Start(RFileName);
		}//看纪录

		public void Wfile(string filename,string filecont)
		{
			FileStream fs=new FileStream(filename,FileMode.OpenOrCreate,FileAccess.Write);
			StreamWriter wfile=new StreamWriter(fs);
			wfile.BaseStream.Seek(0,SeekOrigin.End);
			wfile.WriteLine(filecont);
			wfile.Flush();
			wfile.Close();
		}//写纪录
		
		private TcpListener Ilistener;
		private Thread Iprocessor;
		private Socket Iclientsocket2;
		private Thread Iclientservice;
		private void ExitBtn_Click(object sender, System.EventArgs e)
		{
			if(Iprocessor.IsAlive)Iprocessor.Abort();
			Ilistener.Stop();
			RevStr.Text="["+System.DateTime.Now+"]：终止服务\n";
			OpenBtn.Enabled=true;//启动键有效
			ExitBtn.Enabled=false;//停止键无效
			ViewText.Enabled=false;//纪录有效
			SendBtn.Enabled=false;//发送有效
		}//停止

		private void OpenBtn_Click(object sender, System.EventArgs e)
		{
			Iprocessor = new Thread(new ThreadStart(IStartListening));
			Iprocessor.Start();
			RevStr.Text="["+System.DateTime.Now+"]：启动服务\n";
			if(File.Exists(RFileName))File.Delete(RFileName);
			Wfile(RFileName,RevStr.Text);
			OpenBtn.Enabled=false;//启动键无效
			ExitBtn.Enabled=true;//停止键有效
			ViewText.Enabled=true;//纪录有效
			SendBtn.Enabled=true;//发送有效
		}//启动

		private void IStartListening()
		{
			int PortNumber=6868;
			if(PortStr.Text.ToString().Trim()!="")PortNumber=int.Parse(PortStr.Text.ToString());
			Ilistener = new TcpListener(PortNumber);
			try
			{
				Ilistener.Start();
			}
			catch(Exception e)
			{
				if(e!=null)
				{
					MessageBox.Show("无法打开端口","Error",MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
					ExitBtn_Click(null,null);
				}
			}
			while (Iprocessor.IsAlive)
			{
				try
				{
					Iclientsocket2 = Ilistener.AcceptSocket();
					Iclientservice = new Thread(new ThreadStart(IServiceClient));
					Iclientservice.Start();
				}
				catch(Exception e)
				{
					if(e!=null)
					{
						MessageBox.Show("无法建立端口服务,服务终止","Error",MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
						if(Iclientservice.IsAlive)Iclientservice.Abort();
						break;
					}
				}
			}
		}//启动服务

		private void IServiceClient()
		{
			bool Ikeepalive=true;
			int RCharNum=256;
			string ReceiveMsg ="";
			if ((Iclientsocket2.Connected)&&(Ikeepalive))
			{
				try
				{
					Byte[] buffer = new Byte[RCharNum];
					Iclientsocket2.Receive(buffer,0,RCharNum,SocketFlags.None);
					string Iclientcommand = System.Text.Encoding.Unicode.GetString(buffer);
					ReceiveMsg = Iclientcommand;

				}
				catch(Exception e)
				{
					if(e!=null)MessageBox.Show("传输出错"+e.ToString());
					Ikeepalive=false;
				}
			}
			RevStr.Text = "["+System.DateTime.Now+"]收："+ReceiveMsg;
			Wfile(RFileName,RevStr.Text);
			Iclientsocket2.Shutdown(SocketShutdown.Both);
			Iclientsocket2.Close();
		}//接收

		private NetworkStream ns;
		private TcpClient clientsocket;
		private System.Net.IPAddress UserIP=new System.Net.IPAddress(System.Net.Dns.GetHostByName(System.Net.Dns.GetHostName()).AddressList[0].Address); 
		private void SendBtn_Click(object sender, System.EventArgs e)
		{
			int ToPortStr=6868;
			if(PortStr.Text.ToString().Trim()!="")ToPortStr=int.Parse(PortStr.Text.ToString());
			string ToIpStr=IPStr.Text;
			string ToCont=SendStr.Text.ToString();
			string ToContentStr=UserIP.ToString()+ToCont;
			SendStr.Text="";
			try
			{
				clientsocket = new TcpClient(ToIpStr,ToPortStr);
				clientsocket.SendTimeout=1000;
				clientsocket.ReceiveTimeout=1000;
				clientsocket.ReceiveBufferSize=256;
				ns = clientsocket.GetStream();
				//
				Byte[] outbytes = System.Text.Encoding.Unicode.GetBytes(ToContentStr.ToCharArray());
				int WriteLength=(int)clientsocket.ReceiveBufferSize;
				if(outbytes.Length<WriteLength)WriteLength=outbytes.Length;
				ns.Write(outbytes,0,outbytes.Length);
				RevStr.Text = "["+System.DateTime.Now+"]发："+ToContentStr;
				Wfile(RFileName,RevStr.Text);
				clientsocket.Close();
			}
			catch(Exception ex)
			{
				if(ex!=null)MessageBox.Show("无法连接对方机器或者未启动服务","Error",MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
			}
		}//发送

		private void CloseWin_Click(object sender, System.EventArgs e)
		{
			CloseBtn_Click(sender,e);
		}

		private void groupBox2_Enter(object sender, System.EventArgs e)
		{
		
		}//退出

	}
}