c#局域网聊天软件的实现

本软件是基于大学寝室局域网聊天的思路。c#源代码如下：

  using System;

 using System.Drawing;

 using System.Collections;

 using System.ComponentModel;

 using System.Windows.Forms;

 using System.Data;

 using System.Threading;

 using System.Net.Sockets;

 using System.IO;

 //Download by http://www.codefans.net

 namespace SimpleChat

 {

     /// <summary>

     /// Form1 的摘要说明。

     /// </summary>

     public class MainForm : System.Windows.Forms.Form

     {

         /// <summary>

         /// 必需的设计器变量。

         /// </summary>

         private System.ComponentModel.Container components = null;

         private Thread Listener;

         private System.Windows.Forms.Label label1;

         private System.Windows.Forms.RichTextBox richTextBox1;

         private System.Windows.Forms.Label label2;

         private System.Windows.Forms.Button button1;

         private System.Windows.Forms.RichTextBox richTextBox2;

         private System.Windows.Forms.Label label3;

         private System.Windows.Forms.GroupBox groupBox1;

         private System.Windows.Forms.TextBox IP;

         private System.Windows.Forms.Label label4;

         private System.Windows.Forms.TextBox NickName;

         private System.Windows.Forms.GroupBox groupBox2;

         private System.Windows.Forms.Splitter splitter1;

         private System.Windows.Forms.GroupBox groupBox3;

         private System.Windows.Forms.Splitter splitter2;

         private System.Windows.Forms.Button button2;

         private TcpListener TcpListener;

         private Label label5;

         private ComboBox comboBox1;

         private Label label6;

         private ComboBox comboBox2;

         private Thread sends;

         public MainForm()

         {

             //

             // 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()

         {

             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));

             this.label1 = new System.Windows.Forms.Label();

             this.richTextBox1 = new System.Windows.Forms.RichTextBox();

             this.label2 = new System.Windows.Forms.Label();

             this.button1 = new System.Windows.Forms.Button();

             this.richTextBox2 = new System.Windows.Forms.RichTextBox();

             this.label3 = new System.Windows.Forms.Label();

             this.groupBox1 = new System.Windows.Forms.GroupBox();

             this.NickName = new System.Windows.Forms.TextBox();

             this.label4 = new System.Windows.Forms.Label();

             this.IP = new System.Windows.Forms.TextBox();

             this.groupBox2 = new System.Windows.Forms.GroupBox();

             this.splitter1 = new System.Windows.Forms.Splitter();

             this.groupBox3 = new System.Windows.Forms.GroupBox();

             this.label5 = new System.Windows.Forms.Label();

             this.comboBox1 = new System.Windows.Forms.ComboBox();

             this.splitter2 = new System.Windows.Forms.Splitter();

             this.button2 = new System.Windows.Forms.Button();

             this.label6 = new System.Windows.Forms.Label();

             this.comboBox2 = new System.Windows.Forms.ComboBox();

             this.groupBox1.SuspendLayout();

             this.groupBox2.SuspendLayout();

             this.groupBox3.SuspendLayout();

             this.SuspendLayout();

             //

             // label1

             //

             this.label1.Location = new System.Drawing.Point(, );

             this.label1.Name = "label1";

             this.label1.Size = new System.Drawing.Size(, );

             this.label1.TabIndex = ;

             this.label1.Text = "对方IP地址：";

             //

             // richTextBox1

             //

             this.richTextBox1.BackColor = System.Drawing.SystemColors.HighlightText;

             this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Fill;

             this.richTextBox1.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.richTextBox1.Location = new System.Drawing.Point(, );

             this.richTextBox1.Name = "richTextBox1";

             this.richTextBox1.Size = new System.Drawing.Size(, );

             this.richTextBox1.TabIndex = ;

             this.richTextBox1.Text = "";

             //

             // label2

             //

             this.label2.Dock = System.Windows.Forms.DockStyle.Top;

             this.label2.Location = new System.Drawing.Point(, );

             this.label2.Name = "label2";

             this.label2.Size = new System.Drawing.Size(, );

             this.label2.TabIndex = ;

             this.label2.Text = "输入框：";

             //

             // button1

             //

             this.button1.Location = new System.Drawing.Point(, );

             this.button1.Name = "button1";

             this.button1.Size = new System.Drawing.Size(, );

             this.button1.TabIndex = ;

             this.button1.Text = "发送";

             this.button1.Click += new System.EventHandler(this.button1_Click);

             //

             // richTextBox2

             //

             this.richTextBox2.BackColor = System.Drawing.SystemColors.HighlightText;

             this.richTextBox2.Dock = System.Windows.Forms.DockStyle.Fill;

             this.richTextBox2.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.richTextBox2.Location = new System.Drawing.Point(, );

             this.richTextBox2.Name = "richTextBox2";

             this.richTextBox2.Size = new System.Drawing.Size(, );

             this.richTextBox2.TabIndex = ;

             this.richTextBox2.Text = "";

             //

             // label3

             //

             this.label3.Dock = System.Windows.Forms.DockStyle.Top;

             this.label3.Location = new System.Drawing.Point(, );

             this.label3.Name = "label3";

             this.label3.Size = new System.Drawing.Size(, );

             this.label3.TabIndex = ;

             this.label3.Text = "聊天信息：";

             //

             // groupBox1

             //

             this.groupBox1.Controls.Add(this.NickName);

             this.groupBox1.Controls.Add(this.label4);

             this.groupBox1.Controls.Add(this.IP);

             this.groupBox1.Controls.Add(this.label1);

             this.groupBox1.Dock = System.Windows.Forms.DockStyle.Top;

             this.groupBox1.Location = new System.Drawing.Point(, );

             this.groupBox1.Name = "groupBox1";

             this.groupBox1.Size = new System.Drawing.Size(, );

             this.groupBox1.TabIndex = ;

             this.groupBox1.TabStop = false;

             //

             // NickName

             //

             this.NickName.Location = new System.Drawing.Point(, );

             this.NickName.Name = "NickName";

             this.NickName.Size = new System.Drawing.Size(, );

             this.NickName.TabIndex = ;

             //

             // label4

             //

             this.label4.Location = new System.Drawing.Point(, );

             this.label4.Name = "label4";

             this.label4.Size = new System.Drawing.Size(, );

             this.label4.TabIndex = ;

             this.label4.Text = "你的昵称：";

             //

             // IP

             //

             this.IP.Location = new System.Drawing.Point(, );

             this.IP.Name = "IP";

             this.IP.Size = new System.Drawing.Size(, );

             this.IP.TabIndex = ;

             //

             // groupBox2

             //

             this.groupBox2.Controls.Add(this.richTextBox2);

             this.groupBox2.Controls.Add(this.splitter1);

             this.groupBox2.Controls.Add(this.label3);

             this.groupBox2.Dock = System.Windows.Forms.DockStyle.Top;

             this.groupBox2.Location = new System.Drawing.Point(, );

             this.groupBox2.Name = "groupBox2";

             this.groupBox2.Size = new System.Drawing.Size(, );

             this.groupBox2.TabIndex = ;

             this.groupBox2.TabStop = false;

             //

             // splitter1

             //

             this.splitter1.Dock = System.Windows.Forms.DockStyle.Top;

             this.splitter1.Location = new System.Drawing.Point(, );

             this.splitter1.Name = "splitter1";

             this.splitter1.Size = new System.Drawing.Size(, );

             this.splitter1.TabIndex = ;

             this.splitter1.TabStop = false;

             //

             // groupBox3

             //

             this.groupBox3.Controls.Add(this.label5);

             this.groupBox3.Controls.Add(this.comboBox1);

             this.groupBox3.Controls.Add(this.richTextBox1);

             this.groupBox3.Controls.Add(this.splitter2);

             this.groupBox3.Controls.Add(this.label2);

             this.groupBox3.Dock = System.Windows.Forms.DockStyle.Top;

             this.groupBox3.Location = new System.Drawing.Point(, );

             this.groupBox3.Name = "groupBox3";

             this.groupBox3.Size = new System.Drawing.Size(, );

             this.groupBox3.TabIndex = ;

             this.groupBox3.TabStop = false;

             //

             // label5

             //

             this.label5.AutoSize = true;

             this.label5.Location = new System.Drawing.Point(, );

             this.label5.Name = "label5";

             this.label5.Size = new System.Drawing.Size(, );

             this.label5.TabIndex = ;

             this.label5.Text = "常用短语：";

             //

             // comboBox1

             //

             this.comboBox1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.comboBox1.Font = new System.Drawing.Font("华文新魏", 8.999999F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)()));

             this.comboBox1.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.comboBox1.FormattingEnabled = true;

             this.comboBox1.Items.AddRange(new object[] {

             "你好，逗比 >=<",

             "我在忙，等会回复你。",

             "额心情不好，表惹我！！！",

             "F-U-C-K !",

             "贱人，且行且珍惜。。。。",

             "因为你长的太丑，系统拒绝发送你的信息＾-＾",

             "不是我不说话，我一说话就把我的智商暴露了。~(*^__^*) 嘻嘻…"});

             this.comboBox1.Location = new System.Drawing.Point(, );

             this.comboBox1.Name = "comboBox1";

             this.comboBox1.Size = new System.Drawing.Size(, );

             this.comboBox1.TabIndex = ;

             this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);

             //

             // splitter2

             //

             this.splitter2.Dock = System.Windows.Forms.DockStyle.Top;

             this.splitter2.Location = new System.Drawing.Point(, );

             this.splitter2.Name = "splitter2";

             this.splitter2.Size = new System.Drawing.Size(, );

             this.splitter2.TabIndex = ;

             this.splitter2.TabStop = false;

             //

             // button2

             //

             this.button2.Location = new System.Drawing.Point(, );

             this.button2.Name = "button2";

             this.button2.Size = new System.Drawing.Size(, );

             this.button2.TabIndex = ;

             this.button2.Text = "关于";

             this.button2.Click += new System.EventHandler(this.button2_Click);

             //

             // label6

             //

             this.label6.AutoSize = true;

             this.label6.Location = new System.Drawing.Point(, );

             this.label6.Name = "label6";

             this.label6.Size = new System.Drawing.Size(, );

             this.label6.TabIndex = ;

             this.label6.Text = "常用表情：";

             //

             // comboBox2

             //

             this.comboBox2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.comboBox2.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.comboBox2.FormattingEnabled = true;

             this.comboBox2.Items.AddRange(new object[] {

             "\\^o^/ 欢呼",

             "",

             "*^?^* 笑，打",

             "",

             "::>_<:: 哭 ",

             "",

             "@x@ 生气",

             "",

             "( ^_^ )? 什麼意思??",

             "",

             "O_o 惊讶~~~",

             "",

             "^◎- 爱你呦~~",

             "",

             "得意 <(￣︶￣)>",

             "",

             " 乾杯 []~(￣▽￣)~*",

             "",

             "滿足 (￣ˇ￣)　 ",

             "",

             "沒睡醒 (￣﹏￣)　 ",

             "",

             "狡猾(‵﹏′) ",

             "",

             "被打一巴掌 (￣ε(#￣)",

             "　 ",

             "無言 (￣.￣)　 ",

             "",

             "無奈 ╮(￣▽￣)╭　 ",

             "",

             "裝傻 (￣▽￣)~* ",

             "",

             "驚訝 (⊙ˍ⊙)",

             "",

             "發現(￣.￣)+　",

             " ",

             "驚嚇 Σ( ° △ °|||)︴　 ",

             "",

             "冷 (￣▽￣)\"　 ",

             "",

             "沒辦法 ╮(╯▽╰)╭ ",

             "",

             "貓咪臉 (=￣ω￣=)　 ",

             "",

             "疑惑 (￣３￣)a　 ",

             "",

             "阿達 (￣0 ￣)y　 ",

             "",

             "重創 (。_。)　 ",

             "",

             "不 (＞﹏＜) ",

             "",

             "懷疑 (→_→)　 ",

             "",

             "睏 (￣o￣) . z Z　 ",

             "",

             "崇拜 m( _　_ )m　 ",

             "",

             "我想想 (ˇˍˇ)　 ",

             "",

             "生氣 <(￣ ﹌ ￣)> "});

             this.comboBox2.Location = new System.Drawing.Point(, );

             this.comboBox2.Name = "comboBox2";

             this.comboBox2.Size = new System.Drawing.Size(, );

             this.comboBox2.TabIndex = ;

             this.comboBox2.SelectedIndexChanged += new System.EventHandler(this.comboBox2_SelectedIndexChanged);

             //

             // MainForm

             //

             this.AutoScaleBaseSize = new System.Drawing.Size(, );

             this.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));

             this.ClientSize = new System.Drawing.Size(, );

             this.Controls.Add(this.comboBox2);

             this.Controls.Add(this.label6);

             this.Controls.Add(this.button2);

             this.Controls.Add(this.groupBox3);

             this.Controls.Add(this.groupBox2);

             this.Controls.Add(this.groupBox1);

             this.Controls.Add(this.button1);

             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));

             this.MaximumSize = new System.Drawing.Size(, );

             this.Name = "MainForm";

             this.RightToLeftLayout = true;

             this.Text = "HPU-计算机11-4 局域网聊天";

             this.Closed += new System.EventHandler(this.MainForm_Closed);

             this.Load += new System.EventHandler(this.MainForm_Load);

             this.groupBox1.ResumeLayout(false);

             this.groupBox1.PerformLayout();

             this.groupBox2.ResumeLayout(false);

             this.groupBox3.ResumeLayout(false);

             this.groupBox3.PerformLayout();

             this.ResumeLayout(false);

             this.PerformLayout();

         }

         #endregion

         /// <summary>

         /// 应用程序的主入口点。

         /// </summary>

         [STAThread]

         static void Main()

         {

             Application.Run(new MainForm());

         }

         private void StartListen()

         {

             this.TcpListener = new TcpListener();

             this.TcpListener.Start();

             while( true )

             {

                 TcpClient TcpClient = this.TcpListener.AcceptTcpClient();

                 NetworkStream MyStream = TcpClient.GetStream();

                 byte [] bytes = new byte[];

                 int bytesRead = MyStream.Read(bytes,,bytes.Length);

                 string message = System.Text.Encoding.UTF8.GetString(bytes,,bytesRead);

                 this.richTextBox2.Text += message + "\n";

             }

         }

         private void MainForm_Load(object sender, System.EventArgs e)

         {

             this.Listener = new Thread(new ThreadStart(StartListen));

             this.Listener.Start();

         }

         private void MainForm_Closed(object sender, System.EventArgs e)

         {

             if ( this.Listener != null )

                 this.Listener.Abort();

             if ( this.TcpListener != null )

                 this.TcpListener.Stop();

         }

         private void button1_Click(object sender, System.EventArgs e)

         {

             if ( sends == null || !sends.IsAlive)

             {

                 sends = new Thread(new ThreadStart(send));

                 sends.Start();

             }

             else

                 MessageBox.Show("发送过快!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);

         }

         private void button2_Click(object sender, System.EventArgs e)

         {

             MessageBox.Show("制作：HPU 计算机11-4 魏春生\n输入对方IP地址，只要双方都打开本程序即可聊天...\n HpuChat v1.0");

         }

         private void send()

         {

             if (this.IP.Text.Length <  )

             {

                 MessageBox.Show("IP地址错误!","错误信息：",MessageBoxButtons.OK,MessageBoxIcon.Information);

                 return;

             }

             if ( this.richTextBox1.Text.Length <  )

             {

                 return;

             }

             try

             {

                 string Message = this.NickName.Text + ":" + "   " + DateTime.Now.ToString() + "\n" + "   " + this.richTextBox1.Text + "\n";

                 TcpClient TcpClient = new TcpClient(this.IP.Text, );

                 NetworkStream tcpStream = TcpClient.GetStream();

                 StreamWriter stream = new StreamWriter(tcpStream);

                 stream.Flush();

                 stream.Write(Message);

                 stream.Close();

                 TcpClient.Close();

                 this.richTextBox2.AppendText( Message + "\n");

                 richTextBox1.Text = string.Empty;

             }

             catch ( Exception Err)

             {

                 MessageBox.Show(Err.Message,"错误信息：",MessageBoxButtons.OK,MessageBoxIcon.Information);

             }

             finally

             {

                 sends.Abort();

             }

     }

         private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)

         {

             this.richTextBox1.Text = comboBox1.SelectedItem.ToString();

         }

         private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)

         {

             this.richTextBox1.Text = comboBox2.SelectedItem.ToString();

         }

     }

 }

功能比较简单。只能文本聊天，没有表情。有待改善。
软件截图：：：：：：

使用说明书地址：：

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