form1.cs

c#写的聊天程序

			// 
			this.label8.Location = new System.Drawing.Point(32, 56);
			this.label8.Name = "label8";
			this.label8.Size = new System.Drawing.Size(48, 16);
			this.label8.TabIndex = 3;
			this.label8.Text = "目标：";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(256, 16);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(56, 23);
			this.button2.TabIndex = 2;
			this.button2.Text = "浏览";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// textBox4
			// 
			this.textBox4.Location = new System.Drawing.Point(88, 16);
			this.textBox4.Name = "textBox4";
			this.textBox4.Size = new System.Drawing.Size(144, 21);
			this.textBox4.TabIndex = 1;
			this.textBox4.Text = "";
			// 
			// label7
			// 
			this.label7.Location = new System.Drawing.Point(24, 24);
			this.label7.Name = "label7";
			this.label7.Size = new System.Drawing.Size(56, 16);
			this.label7.TabIndex = 0;
			this.label7.Text = "源文件：";
			// 
			// label10
			// 
			this.label10.Location = new System.Drawing.Point(8, 88);
			this.label10.Name = "label10";
			this.label10.Size = new System.Drawing.Size(80, 16);
			this.label10.TabIndex = 26;
			this.label10.Text = "文件传送端口";
			// 
			// listBox1
			// 
			this.listBox1.ItemHeight = 12;
			this.listBox1.Location = new System.Drawing.Point(8, 24);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(224, 424);
			this.listBox1.TabIndex = 24;
			this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
			// 
			// label9
			// 
			this.label9.Location = new System.Drawing.Point(8, 0);
			this.label9.Name = "label9";
			this.label9.Size = new System.Drawing.Size(72, 16);
			this.label9.TabIndex = 25;
			this.label9.Text = "远程主机：";
			// 
			// Form1
			// 
			this.AcceptButton = this.button1;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(720, 461);
			this.Controls.Add(this.label9);
			this.Controls.Add(this.listBox1);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.linkLabel1);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.richTextBox1);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.MaximizeBox = false;
			this.Name = "Form1";
			this.Text = "Form1";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
			this.Load += new System.EventHandler(this.Form1_Load);
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).EndInit();
			this.groupBox2.ResumeLayout(false);
			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 Form1_Load(object sender, System.EventArgs e)
		{			
//			Random rm=new Random();
			PortS=7485;
			IP=Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString();
			this.Text="本地IP："+IP+"  开放端口："+PortS;

			//获得IP地址对象
			IPAddress ipAdd=IPAddress.Parse(IP);
			//封装IP地址端
			IPEndPoint endPoint=new IPEndPoint(ipAdd,PortS);
			//创建服务器端Socket
			socketS=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
			//绑定端口
			socketS.Bind(endPoint);

			td1=new Thread(new ThreadStart(Start));
			td1.Start();
		}

		#region Start()
		void Start()
		{
			while(true)
			{
				//打开端口监听
				socketS.Listen(10);
				//接受远程连接
				socketR=socketS.Accept();
				//创建缓存数组
				byte[] dataC=new byte[1024];
				//接收数据
				socketR.Receive(dataC,0,dataC.Length,SocketFlags.None);
				//将数据转换为字符
				text=Encoding.UTF8.GetString(dataC);
				if(text.LastIndexOf("&")>0) //含有&字符则代表着有主机连上来了
				{
					listBox1.Items.Add(text);
				}
				else
				{			
					//显示所接收的内容
					richTextBox1.AppendText(text);
					richTextBox1.AppendText("\r");	
				}
			}
		}
		#endregion

		#region 发送消息
		private void button1_Click(object sender, System.EventArgs e)
		{	
			Send(textBox3.Text);	
		}
		void Send(string message)
		{
			try
			{
				//远程主机IP及端口
				ip=IPAddress.Parse(textBox1.Text);
				PortC=int.Parse(textBox2.Text);

				//封装服务器的IP，端口
				IPEndPoint endPoint=new IPEndPoint(ip,PortC);
				//创建客户端Socket
				socketC=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
				//连接服务器端
				socketC.Connect(endPoint);
				//将发送的聊天内容显示出来
				richTextBox1.AppendText("发送："+IP+"-"+message+"-"+PortS+"\r");
				//把聊天内容转换为数据流发送给服务器端
				byte[] dataS=Encoding.UTF8.GetBytes(IP+"-"+message+"-"+PortS);
				socketC.Send(dataS,0,dataS.Length,SocketFlags.None);	
			}
			catch
			{
				MessageBox.Show("IP地址或端口号不正确！","？？错误！",MessageBoxButtons.OK,MessageBoxIcon.Error);
				//跳出Catch结构继续下面的代码
				return ;
			}			
		}
		#endregion

		private void linkLabel1_Click(object sender, System.EventArgs e)
		{
			Form2 f2=new Form2();
			f2.Show();
		}

		private void button3_Click(object sender, System.EventArgs e) //扫描远程主机的端口
		{
			richTextBox1.AppendText("\r");
			//起用线程
			td2=new Thread(new ThreadStart(ScenProcess));
			td2.Start();
		}

		#region ScenProcess()
		void ScenProcess()
		{
			int i,j;
			i=Convert.ToInt32(numericUpDown1.Value);
			j=Convert.ToInt32(numericUpDown2.Value);
			for(;i<=j;i++)
			{
				try
				{ 
					//创建Tcp连接对象
					TcpClient tcp=new TcpClient();
					//创建IP地址对象
					ip=IPAddress.Parse(textBox1.Text);
					//连接到服务器
					tcp.Connect(ip,i);
					//关闭连接
					tcp.Close();
					richTextBox1.AppendText("          "+"端口"+i+"连接成功！"+"\r");			
				}
				catch
				{					
					richTextBox1.AppendText("端口"+i+"连接失败！"+"\r");
				}
			}
		}
		#endregion

		private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{	
			//在监听端口时会启用一个线程一直挂着socketS
			//所以就算关掉了窗口，但进程仍然还在
			//我们就需要先关掉socketS
			socketS.Close();		
			//然后关掉窗体的同时停掉所有的进程
			Application.Exit();
		}

		private void button2_Click(object sender, System.EventArgs e) //获得源文件路径
		{
			if(openFileDialog1.ShowDialog()==DialogResult.OK)
			{
				textBox4.Text=openFileDialog1.FileName;
			}
		}
		
		string FilePath;
		private void button4_Click(object sender, System.EventArgs e) //获得目标文件路径
		{	
			FilePath=textBox5.Text;
			PathFile();
//			new Thread(new ThreadStart(PathFile)).Start();			
		}
		void PathFile()
		{			
			try
			{
//				//远程主机IP及端口
//				ip=IPAddress.Parse(textBox1.Text);
//				PortC=int.Parse(textBox2.Text);
//
//				//封装服务器的IP，端口
//				IPEndPoint endPoint=new IPEndPoint(ip,PortC);
//				//创建客户端Socket
//				socketC=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
//				//连接服务器端
//				socketC.Connect(endPoint);
//				//将发送的聊天内容显示出来
//				richTextBox1.AppendText("目标文件夹已确定为："+FilePath+"\r");
//				//把聊天内容转换为数据流发送给服务器端
//				byte[] dataS=Encoding.UTF8.GetBytes("ClientFilePath"+"-"+FilePath);
//				socketC.Send(dataS,0,dataS.Length,SocketFlags.None);

				Send("ClientFilePath"+"-"+FilePath);
			}
			catch
			{
				MessageBox.Show("IP地址或端口号不正确！","？？错误！",MessageBoxButtons.OK,MessageBoxIcon.Error);
				//跳出Catch结构继续下面的代码
				return ;
			}
				
		}					


		#region 流传输
		private void button5_Click(object sender, System.EventArgs e) //发送文件
		{			
			IPAddress ip=IPAddress.Parse(textBox1.Text);
			int PortFile=Convert.ToInt32(textBox6.Text);
			//封装服务器的IP，端口
			IPEndPoint endPoint=new IPEndPoint(ip,PortFile);
			//创建客户端Socket
			socketC=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
			//连接服务器端
			socketC.Connect(endPoint);
			//把聊天内容转换为数据流发送给服务器端

			FileStream fsSource =new FileStream(textBox4.Text,FileMode.Open,FileAccess.Read);
			byte[] buffer =new byte[255];
			int read=fsSource.Read(buffer,0,buffer.Length);
			while(read>0)
			{
				read=fsSource.Read(buffer,0,buffer.Length);
			}
			fsSource.Close();
			socketC.Send(buffer,0,buffer.Length,SocketFlags.None);
		}

		#endregion
            
		#region 下面的代码是转送文件夹的
			//下面的代码是转送文件夹的！！
//			DirectoryInfo dif1=new DirectoryInfo(textBox1.Text);
//			DirectoryInfo dif2=new DirectoryInfo(textBox2.Text);
//
//			FileInfo[] inputs=dif1.GetFiles();
//			FileInfo[] outputs=dif2.GetFiles();
//            
//			System.IO.Stream inputStream=null;
//			System.IO.Stream outputStream=null;
//			foreach(FileInfo k in inputs)
//			{
//				//inputStream目录一定要和outputStream目录一致，不能有丝毫的差错；
//				inputStream = File.OpenRead(textBox1.Text+@"\"+k.ToString());
//				//这个只允许一个文件夹中包含多个文件，但不允许一个文件夹中还有文件夹！
//				outputStream = File.OpenWrite(textBox2.Text+@"\"+k.ToString()); 
//
//				const int SizeBuff = 255;
//				byte[] buffer = new Byte[SizeBuff];
//
//				int bytesRead;
//				bytesRead = inputStream.Read(buffer,0,SizeBuff);
//				while( bytesRead>0 )
//				{
//					outputStream.Write(buffer,0,bytesRead);
//					Console.WriteLine("Bytes read: {0}", bytesRead);
//					bytesRead = inputStream.Read(buffer,0,SizeBuff);
//				}
//				
//			}
//			inputStream.Close();
//			outputStream.Close();
			#endregion		


		private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			string item=listBox1.SelectedItem.ToString();
			string[] str=text.Split('&');
            textBox1.Text=str[0];
			textBox2.Text=str[1];
			textBox6.Text=str[2];

		}

	}
}