c sharp 聊天工具源代码以及截图.doc

服务器编程：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Net;using System.Net.Sockets;using System.Threading;namespace client public partial class Form1 : Form public Form1() InitializeComponent(); this.ListBoxState.Items.Clear(); this.richTextBoxAccept.Text = ; this.richTextBoxSend.Text = ; private Socket socket; private Socket clientSocket; private Thread thread1; private void buttonStart_Click(object sender, EventArgs e) this.buttonStart.Enabled = false; IPAddress ip = IPAddress.Parse(this.textBoxIP.Text); IPEndPoint server1 = new IPEndPoint(ip, Int32.Parse(this.textBoxPort.Text); socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); socket.Bind(server1); socket.Listen(10); clientSocket = socket.Accept(); this.ListBoxState.Items.Add(与客户 + clientSocket.RemoteEndPoint.ToString() + 建立链接); thread1 = new Thread(new ThreadStart(AcceptMessage); thread1.Start(); private void AcceptMessage() while (true) try NetworkStream netStream = new NetworkStream(clientSocket); byte datasize = new byte4; netStream.Read(datasize, 0, 4); int size = System.BitConverter.ToInt32(datasize, 0); Byte message = new bytesize; int dataleft = size; int start = 0; while (dataleft0) int recv = netStream.Read(message, start, dataleft); start += recv; dataleft -= recv; this.richTextBoxAccept.Rtf = System.Text.Encoding.Unicode.GetString(message); catch this.ListBoxState.Items.Add(与客户断开连接); break; private void buttonSend_Click(object sender, EventArgs e) string str = this.richTextBoxSend.Rtf; int i = str.Length; if(i=0) return; else i *= 2; byte datasize = new byte4; datasize = System.BitConverter.GetBytes(i); byte sendbytes = System.Text.Encoding.Unicode.GetBytes(str); try / MessageBox.Show(clientSocket.RemoteEndPoint.ToString(); NetworkStream netStream = new NetworkStream(clientSocket); netStream.Write(datasize, 0, 4); netStream.Write(sendbytes, 0, sendbytes.Length); netStream.Flush(); this.richTextBoxSend.Text = ; catch MessageBox.Show(无法发送!); private void buttonStop_Click(object sender, EventArgs e) this.buttonStart.Enabled = true; try /socket.Shutdown(SocketShutdown.); 这个为什么不用呢? socket.Close(); if(clientSocket.Connected) clientSocket.Close(); thread1.Abort(); catch(Exception e1) MessageBox.Show(e1.ToString(); MessageBox.Show(监听尚未开始，关闭无效); private void Form1_Load(object sender, EventArgs e) private void Form1_FormClosing(object sender, FormClosingEventArgs e) try / socket.Shutdown(SocketShutdown.Both); socket.Close(); if (clientSocket.Connected) clientSocket.Close(); thread1.Abort(); catch 客户端编程：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Net;using System.Net.Sockets;using System.Threading;namespace server_反过来了_ public partial class Form1 : Form public Form1() InitializeComponent(); this.ListBoxState.Items.Clear(); this.richTextBoxReceive.Text = ; this.richTextBoxSend.Text = ; private void Form1_Load(object sender, EventArgs e) private void buttonRequest_Click(object sender, EventArgs e) IPAddress ip = IPAddress.Parse(this.textBoxIP.Text); IPEndPoint server1 = new IPEndPoint(ip, Int32.Parse(this.textBoxPort.Text); socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); try socket.Connect(server1); catch MessageBox.Show(与服务器连接失败); return; this.buttonRequest.Enabled = false; this.ListBoxState.Items.Add(与服务器连接成功); thread1 = new Thread(new ThreadStart(AcceptMessage); thread1.Start(); private void AcceptMessage() while (true) try NetworkStream netStream = new NetworkStream(socket); byte datasize = new byte4; netStream.Read(datasize, 0, 4); int size = System.BitConverter.ToInt32(datasize, 0); Byte message = new bytesize; int dataleft = size; int start = 0; while (dataleft 0) int recv = netStream.Read(message, start, dataleft); start += recv; dataleft -= recv; this.richTextBoxReceive.Rtf = System.Text.Encoding.Unicode.GetString(message); catch this.ListBoxState.Items.Add(与服务器断开连接); break; private Socket socket; private Thread thread1; private void buttonClose_Click(object sender, EventArgs e) try socket.Shutdown(SocketShutdown.Both); socket.Close(); this.ListBoxState.Items.Add(与主机断开连接); thread1.Abort(); catch MessageBox.Show(尚未与主机连接，断开无效！); this.buttonRequest.Enabled = true; private void Form1_FormClosing(object sender, FormClosingEventArgs e) try socket.Shutdown(SocketShutdown.Both); socket.Close(); catch private void buttonSend_Click(object sender, EventArgs e) string str = this.richTextBoxSend.Rtf; int i = str.Length; if(i=0) return; else i *= 2; byte datasize = new byte4; datasize = System.BitConverter.GetBytes(i); byte sendbytes = System.Text.Encoding.Unicode.GetBytes