稳定可靠的Socket聊天室实现
找了N久，终于找到一个真正可用的socket连接代码，而且通讯不像网上那些，通讯一次后就无法再通讯了。
辛苦。^_^
namespace WindowsApplication3
{
partial class Form1
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.GroupBox groupBox4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.TextBox textBox6;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.GroupBox groupBox3;
private System.Windows.Forms.RichTextBox richTextBox2;
private System.Windows.Forms.Button button5;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.label1 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.textBox4 = new System.Windows.Forms.TextBox();
this.button2 = new System.Windows.Forms.Button();
this.label4 = new System.Windows.Forms.Label();
this.button3 = new System.Windows.Forms.Button();
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.textBox6 = new System.Windows.Forms.TextBox();
this.label6 = new System.Windows.Forms.Label();
this.button5 = new System.Windows.Forms.Button();
this.label5 = new System.Windows.Forms.Label();
this.textBox5 = new System.Windows.Forms.TextBox();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.groupBox4 = new System.Windows.Forms.GroupBox();
this.button4 = new System.Windows.Forms.Button();
this.groupBox3 = new System.Windows.Forms.GroupBox();
this.richTextBox2 = new System.Windows.Forms.RichTextBox();
this.groupBox5 = new System.Windows.Forms.GroupBox();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.groupBox4.SuspendLayout();
this.groupBox3.SuspendLayout();
this.groupBox5.SuspendLayout();
this.SuspendLayout();
//
// label1
//
this.label1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.label1.Location = new System.Drawing.Point(8, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(64, 23);
this.label1.TabIndex = 0;
this.label1.Text = "主机名称:";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// button1
//
this.button1.Location = new System.Drawing.Point(80, 16);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(40, 23);
this.button1.TabIndex = 1;
this.button1.Text = "获取";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(8, 48);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(112, 21);
this.textBox1.TabIndex = 2;
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 72);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(64, 23);
this.label2.TabIndex = 0;
this.label2.Text = "IP地址:";
this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(8, 96);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(112, 21);
this.textBox2.TabIndex = 2;
//
// label3
//
this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.label3.Location = new System.Drawing.Point(80, 112);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(64, 23);
this.label3.TabIndex = 3;
this.label3.Text = "我的妮称:";
this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// textBox3
//
this.textBox3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.textBox3.Location = new System.Drawing.Point(136, 112);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(128, 21);
this.textBox3.TabIndex = 4;
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(8, 48);
this.textBox4.Name = "textBox4";
this.textBox4.Size = new System.Drawing.Size(120, 21);
this.textBox4.TabIndex = 5;
this.textBox4.Text = "127.0.0.1";
//
// button2
//
this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.button2.Location = new System.Drawing.Point(272, 112);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(72, 23);
this.button2.TabIndex = 6;
this.button2.Text = "发送";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// label4
//
this.label4.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.label4.Location = new System.Drawing.Point(8, 16);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(120, 23);
this.label4.TabIndex = 7;
this.label4.Text = "服务器IP:";
this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// button3
//
this.button3.Location = new System.Drawing.Point(8, 48);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(64, 23);
this.button3.TabIndex = 8;
this.button3.Text = "开始监听";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// richTextBox1
//
this.richTextBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox1.Location = new System.Drawing.Point(8, 16);
this.richTextBox1.MaxLength = 1000;
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(336, 88);
this.richTextBox1.TabIndex = 11;
this.richTextBox1.Text = "";
//
// groupBox1
//
this.groupBox1.Controls.Add(this.textBox6);
this.groupBox1.Controls.Add(this.textBox4);
this.groupBox1.Controls.Add(this.label4);
this.groupBox1.Controls.Add(this.label6);
this.groupBox1.Controls.Add(this.button5);
this.groupBox1.Location = new System.Drawing.Point(368, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(136, 152);
this.groupBox1.TabIndex = 13;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "连接服务器";
//
// textBox6
//
this.textBox6.Location = new System.Drawing.Point(80, 80);
this.textBox6.Name = "textBox6";
this.textBox6.Size = new System.Drawing.Size(48, 21);
this.textBox6.TabIndex = 5;
//
// label6
//
this.label6.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.label6.Location = new System.Drawing.Point(8, 80);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(64, 23);
this.label6.TabIndex = 7;
this.label6.Text = "目标端口:";
this.label6.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// button5
//
this.button5.Location = new System.Drawing.Point(8, 120);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(64, 23);
this.button5.TabIndex = 8;
this.button5.Text = "请求连接";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// label5
//
this.label5.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.label5.Location = new System.Drawing.Point(8, 16);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(64, 23);
this.label5.TabIndex = 7;
this.label5.Text = "监听端口:";
this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(80, 16);
this.textBox5.Name = "textBox5";
this.textBox5.Size = new System.Drawing.Size(48, 21);
this.textBox5.TabIndex = 5;
//
// groupBox2
//
this.groupBox2.Controls.Add(this.textBox1);
this.groupBox2.Controls.Add(this.textBox2);
this.groupBox2.Controls.Add(this.label1);
this.groupBox2.Controls.Add(this.button1);
this.groupBox2.Controls.Add(this.label2);
this.groupBox2.Location = new System.Drawing.Point(368, 288);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(136, 128);
this.groupBox2.TabIndex = 14;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "本机IP";
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 422);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Size = new System.Drawing.Size(512, 16);
this.statusBar1.TabIndex = 15;
this.statusBar1.TextChanged += new System.EventHandler(this.statusBar1_TextChanged);
//
// groupBox4
//
this.groupBox4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right)));
this.groupBox4.Controls.Add(this.textBox3);
this.groupBox4.Controls.Add(this.button4);
this.groupBox4.Controls.Add(this.richTextBox1);
this.groupBox4.Controls.Add(this.label3);
this.groupBox4.Controls.Add(this.button2);
this.groupBox4.Location = new System.Drawing.Point(8, 272);
this.groupBox4.Name = "groupBox4";
this.groupBox4.Size = new System.Drawing.Size(352, 144);
this.groupBox4.TabIndex = 17;
this.groupBox4.TabStop = false;
this.groupBox4.Text = "发送窗口";
//
// button4
//
this.button4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
this.button4.Location = new System.Drawing.Point(8, 112);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(64, 23);
this.button4.TabIndex = 12;
this.button4.Text = "清空消息";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// groupBox3
//
this.groupBox3.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.groupBox3.Controls.Add(this.richTextBox2);
this.groupBox3.Location = new System.Drawing.Point(8, 8);
this.groupBox3.Name = "groupBox3";
this.groupBox3.Size = new System.Drawing.Size(352, 264);
this.groupBox3.TabIndex = 18;
this.groupBox3.TabStop = false;
this.groupBox3.Text = "聊天记录";
//
// richTextBox2
//
this.richTextBox2.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBox2.Location = new System.Drawing.Point(8, 16);
this.richTextBox2.Name = "richTextBox2";
this.richTextBox2.Size = new System.Drawing.Size(336, 240);
this.richTextBox2.TabIndex = 0;
this.richTextBox2.Text = "";
//
// groupBox5
//
this.groupBox5.Controls.Add(this.label5);
this.groupBox5.Controls.Add(this.textBox5);
this.groupBox5.Controls.Add(this.button3);
this.groupBox5.Location = new System.Drawing.Point(368, 184);
this.groupBox5.Name = "groupBox5";
this.groupBox5.Size = new System.Drawing.Size(136, 80);
this.groupBox5.TabIndex = 19;
this.groupBox5.TabStop = false;
this.groupBox5.Text = "监听设置";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(512, 438);
this.Controls.Add(this.groupBox5);
this.Controls.Add(this.groupBox3);
this.Controls.Add(this.groupBox4);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.groupBox2);
this.MaximumSize = new System.Drawing.Size(520, 472);
this.MinimumSize = new System.Drawing.Size(520, 472);
this.Name = "Form1";
this.Text = "点对点聊天";
this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
this.groupBox2.ResumeLayout(false);
this.groupBox2.PerformLayout();
this.groupBox4.ResumeLayout(false);
this.groupBox4.PerformLayout();
this.groupBox3.ResumeLayout(false);
this.groupBox5.ResumeLayout(false);
this.groupBox5.PerformLayout();
this.ResumeLayout(false);
}
#endregion
}
}
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.IO;
using System.Threading;
using System.Text;
namespace WindowsApplication3
{
public partial class Form1 : Form
{
private Thread listenthread;//表示监听的线程
private string msg; //要发送的消息
private Socket socket1; //Socket类用于接收和发送信息
private IPEndPoint lep;
private System.Windows.Forms.GroupBox groupBox5; //请求连接的节点
public Form1()
{
InitializeComponent();
}
private void listenstart()//监听发入的信息
{
try
{
while (this.socket1.Connected)
{
//设置一个缓冲区
Byte[] stream = new Byte[1024];
socket1.Receive(stream);
//将获得的流转化为字符串类型
string message = Encoding.Default.GetString(stream);
//this.textBox1.Text=socket1.Available.ToString();
this.richTextBox2.AppendText(message);
this.richTextBox2.AppendText(" ");
}
}
catch//(Exception error)
{
if (!this.socket1.Connected)
{
socket1.Close();
button3.Enabled = true;
button5.Enabled = true;
}
}
}
private void button1_Click(object sender, System.EventArgs e)
{
//获取本地主机名称
string host = Dns.GetHostName();
this.textBox1.Text = host;
//获取本机IP
IPAddress[] addrs = Dns.Resolve("localhost").AddressList;
IPAddress addr = Dns.Resolve(host).AddressList[0];
//转化为标准的以点分隔的四部分格式
this.textBox2.Text = addr.ToString();
}
private void button3_Click(object sender, System.EventArgs e)
{
//获得监听端口
int hostport;
try
{
hostport = Int32.Parse(this.textBox5.Text);
if (hostport < 135 || hostport > 65400) hostport = 12800;
}
catch
{
hostport = 12800;
}
//IPAddress ipAddress = Dns.Resolve("localhost").AddressList[0];
IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
lep = new IPEndPoint(ipAddress, hostport);
socket1 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket1.Bind(lep);
socket1.Listen(10000);
this.statusBar1.Text = "等待连接...";
button3.Enabled = false;
button5.Enabled = false;
Thread watt = new Thread(new ThreadStart(waits));
watt.Start();
}
catch
{
button3.Enabled = true;
}
}
private void waits()
{
try
{
socket1 = socket1.Accept();
this.statusBar1.Text = "已建立连接";
listenthread = new Thread(new ThreadStart(listenstart));
listenthread.Start();
button3.Enabled = false;
button5.Enabled = false;
}
catch
{
button3.Enabled = true;
button5.Enabled = true;
}
}
private void statusBar1_TextChanged(object sender, System.EventArgs e)
{
}
private void button2_Click(object sender, System.EventArgs e)
{
if (socket1.Connected)
{
//将发送的字符串转换成字节数组
msg = "<" + this.textBox3.Text + ">" + this.richTextBox1.Text;
Byte[] bytes = Encoding.Default.GetBytes(msg);
//发送数组
try
{
socket1.Send(bytes, bytes.Length, SocketFlags.None);
this.richTextBox1.Text = "";
}
catch
{
}
//this.richTextBox2.AppendText(msg);
}
}
private void button4_Click(object sender, System.EventArgs e)
{
this.richTextBox2.Text = "";
}
private void button5_Click(object sender, System.EventArgs e)
{
//获得连接端口
int hostport;
try
{
hostport = Int32.Parse(this.textBox6.Text);
if (hostport < 135 || hostport > 65400) hostport = 12800;
}
catch
{
hostport = 12800;
}
try
{
//得到需连接的地址
lep = new IPEndPoint(IPAddress.Parse(this.textBox4.Text), hostport);
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
//构造socket1实例,并请求连接
socket1 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket1.Connect(lep);
if (socket1.Connected) this.statusBar1.Text = "连接成功";
//开始监听
listenthread = new Thread(new ThreadStart(listenstart));
listenthread.Start();
button5.Enabled = false;
button3.Enabled = false;
}
catch
{
button5.Enabled = true;
button3.Enabled = true;
}
}
private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
socket1.Close();
if (this.listenthread != null)
{
//如果线程还处于运行状态就关闭它
if (this.listenthread.ThreadState == ThreadState.Running)
{
this.listenthread.Abort();
}
}
}
catch
{
}
}
}
}
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