• c# winform socket网络编程，点对点传输文件，socket文件传输，监听端口

    http://www.cnblogs.com/vhtt/
    服务器用来接收文件，不停的监听端口，有发送文件就马上开始接收文件 
    服务端代码： 
    C#代码 
    1. using System;  
    2. using System.Collections.Generic;  
    3. using System.ComponentModel;  
    4. using System.Data;  
    5. using System.Drawing;  
    6. using System.Text;  
    7. using System.Windows.Forms;  
    8.   
    9.   
    10. using System.Net;  
    11. using System.Threading;  
    12. using System.Net.Sockets;  
    13.   
    14. using System.IO;  
    15.   
    16. namespace TestSocketServerHSTF  
    17. {  
    18.     public partial class Form1 : Form  
    19.     {  
    20.         public Form1()  
    21.         {  
    22.             InitializeComponent();  
    23.   
    24.   
    25.             //不显示出dataGridView1的最后一行空白  
    26.             dataGridView1.AllowUserToAddRows = false;  
    27.         }  
    28.  
    29.  
    30.         #region 定义变量  
    31.  
    32.  
    33.         #endregion  
    34.  
    35.  
    36.  
    37.         #region 进入窗体即启动服务  
    38.   
    39.         private void Form1_Load(object sender, EventArgs e)  
    40.         {  
    41.             //开启接收线程  
    42.             Thread TempThread = new Thread(new ThreadStart(this.StartReceive));  
    43.             TempThread.Start();  
    44.         }  
    45.  
    46.          
    47.         #endregion  
    48.  
    49.  
    50.  
    51.         #region 功能函数  
    52.   
    53.         private void StartReceive()  
    54.         {  
    55.             //创建一个网络端点  
    56.             IPEndPoint ipep = new IPEndPoint(IPAddress.Any, int.Parse("2005"));  
    57.   
    58.             //MessageBox.Show(IPAddress.Any);  
    59.   
    60.             //创建一个套接字  
    61.             Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);  
    62.   
    63.             //绑定套接字到端口  
    64.             server.Bind(ipep);  
    65.   
    66.             //开始侦听(并堵塞该线程)  
    67.             server.Listen(10);  
    68.   
    69.             //确认连接  
    70.             Socket client = server.Accept();  
    71.   
    72.             //获得客户端节点对象  
    73.             IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;  
    74.               
    75.   
    76.   
    77.             //获得[文件名]  
    78.             string SendFileName = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));  
    79.             //MessageBox.Show("文件名" + SendFileName);  
    80.   
    81.             //获得[包的大小]  
    82.             string bagSize = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));  
    83.             //MessageBox.Show("包大小" + bagSize);  
    84.   
    85.             //获得[包的总数量]  
    86.             int bagCount = int.Parse(System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client)));  
    87.             //MessageBox.Show("包的总数量" + bagCount);  
    88.   
    89.             //获得[最后一个包的大小]  
    90.             string bagLast = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));  
    91.             //MessageBox.Show("最后一个包的大小" + bagLast);  
    92.   
    93.             //创建一个新文件  
    94.             FileStream MyFileStream = new FileStream(SendFileName, FileMode.Create, FileAccess.Write);  
    95.   
    96.             //已发送包的个数  
    97.             int SendedCount = 0;  
    98.   
    99.             while (true)  
    100.             {  
    101.                 byte[] data = TransferFiles.ReceiveVarData(client);  
    102.                 if (data.Length == 0)  
    103.                 {  
    104.                     break;  
    105.                 }  
    106.                 else  
    107.                 {  
    108.                     SendedCount++;  
    109.                     //将接收到的数据包写入到文件流对象  
    110.                     MyFileStream.Write(data, 0, data.Length);  
    111.                     //显示已发送包的个数  
    112.                     //MessageBox.Show("已发送包个数"+SendedCount.ToString());  
    113.                 }  
    114.             }  
    115.   
    116.             //关闭文件流  
    117.             MyFileStream.Close();  
    118.             //关闭套接字  
    119.             client.Close();  
    120.   
    121.             //填加到dgv里  
    122.             //文件大小，IP，已发送包的个数，文件名，包的总量，最后一个包的大小  
    123.             this.dataGridView1.Rows.Add(bagSize, clientep.Address, SendedCount, SendFileName, bagCount, bagLast);  
    124.   
    125.             //MessageBox.Show("文件接收完毕!");  
    126.   
    127.         }  
    128.  
    129.  
    130.         #endregion  
    131.  
    132.  
    133.  
    134.         #region   拦截Windows消息,关闭窗体时执行  
    135.         protected override void WndProc(ref   Message m)  
    136.         {  
    137.             const int WM_SYSCOMMAND = 0x0112;  
    138.             const int SC_CLOSE = 0xF060;  
    139.             if (m.Msg == WM_SYSCOMMAND && (int)m.WParam == SC_CLOSE)  
    140.             {//捕捉关闭窗体消息     
    141.                 //   User   clicked   close   button     
    142.                 //this.WindowState = FormWindowState.Minimized;//把右上角红叉关闭按钮变最小化  
    143.   
    144.                 ServiceStop();  
    145.             }  
    146.             base.WndProc(ref   m);  
    147.         }  
    148.         #endregion  
    149.  
    150.  
    151.         #region 停止服务  
    152.   
    153.         //停止服务  
    154.         private void ServiceStop()  
    155.         {  
    156.             try  
    157.             {  
    158.   
    159.             }  
    160.             catch { }  
    161.   
    162.             try  
    163.             {  
    164.   
    165.             }  
    166.             catch { }  
    167.         }  
    168.  
    169.         #endregion  
    170.   
    171.     }  
    172. }  


    客户端用来发送文件，选择文件后点发送按钮发送文件 
    客户端代码： 
    C#代码 
    1. ////////////////////////////////////////////////////////////////////////////////  
    2. //title: 点对点文件传输程序                                           //  
    3. ////////////////////////////////////////////////////////////////////////////////  
    4.   
    5. //////////////////////////Begin-发送端//////////////////////////////////  
    6. using System;  
    7. using System.Drawing;  
    8. using System.Collections;  
    9. using System.ComponentModel;  
    10. using System.Windows.Forms;  
    11. using System.Data;  
    12. using System.IO;  
    13. using System.Net;  
    14. using System.Net.Sockets;  
    15. using System.Threading;  
    16.   
    17. namespace 发送端  
    18. {  
    19.     /// <summary>  
    20.     /// Form1 的摘要说明。  
    21.     /// </summary>  
    22.     public class Form1 : System.Windows.Forms.Form  
    23.     {  
    24.         private System.Windows.Forms.GroupBox groupBox1;  
    25.         private System.Windows.Forms.OpenFileDialog openFileDialog1;  
    26.         private System.Windows.Forms.TextBox textBox1;  
    27.         private System.Windows.Forms.Button button1;  
    28.         private System.Windows.Forms.Label label1;  
    29.         private System.Windows.Forms.TextBox textBox2;  
    30.         private System.Windows.Forms.Label label2;  
    31.         private System.Windows.Forms.TextBox textBox3;  
    32.         private System.Windows.Forms.GroupBox groupBox2;  
    33.         private System.Windows.Forms.Label label3;  
    34.         private System.Windows.Forms.TextBox textBox4;  
    35.         private System.Windows.Forms.Label label4;  
    36.         private System.Windows.Forms.TextBox textBox5;  
    37.         private System.Windows.Forms.GroupBox groupBox3;  
    38.         private System.Windows.Forms.GroupBox groupBox4;  
    39.         private System.Windows.Forms.Button button2;  
    40.         private System.Windows.Forms.Label label5;  
    41.         private System.Windows.Forms.TextBox textBox6;  
    42.         private System.Windows.Forms.Label label6;  
    43.         private System.Windows.Forms.Label label7;  
    44.         private System.Windows.Forms.ProgressBar progressBar1;  
    45.         private System.Windows.Forms.TextBox textBox7;  
    46.         private System.Windows.Forms.Label label8;  
    47.         private System.Windows.Forms.Label label9;  
    48.         private System.Windows.Forms.TextBox textBox8;  
    49.         private System.Windows.Forms.Label label10;  
    50.         private System.Windows.Forms.TextBox textBox9;  
    51.         private System.Windows.Forms.Label label11;  
    52.         private System.Windows.Forms.Label label12;  
    53.         private System.Windows.Forms.TextBox textBox10;  
    54.         /// <summary>  
    55.         /// 必需的设计器变量。  
    56.         /// </summary>  
    57.         private System.ComponentModel.Container components = null;  
    58.   
    59.         public Form1()  
    60.         {  
    61.             //  
    62.             // Windows 窗体设计器支持所必需的  
    63.             //  
    64.             InitializeComponent();  
    65.   
    66.             //  
    67.             // TODO: 在 InitializeComponent 调用后添加任何构造函数代码  
    68.             //  
    69.         }  
    70.   
    71.         /// <summary>  
    72.         /// 清理所有正在使用的资源。  
    73.         /// </summary>  
    74.         protected override void Dispose( bool disposing )  
    75.         {  
    76.             if( disposing )  
    77.             {  
    78.                 if (components != null)   
    79.                 {  
    80.                     components.Dispose();  
    81.                 }  
    82.             }  
    83.             base.Dispose( disposing );  
    84.         }  
    85.  
    86.         #region Windows 窗体设计器生成的代码  
    87.         /// <summary>  
    88.         /// 设计器支持所需的方法 - 不要使用代码编辑器修改  
    89.         /// 此方法的内容。  
    90.         /// </summary>  
    91.         private void InitializeComponent()  
    92.         {  
    93.             this.groupBox1 = new System.Windows.Forms.GroupBox();  
    94.             this.textBox2 = new System.Windows.Forms.TextBox();  
    95.             this.textBox3 = new System.Windows.Forms.TextBox();  
    96.             this.label2 = new System.Windows.Forms.Label();  
    97.             this.label1 = new System.Windows.Forms.Label();  
    98.             this.button1 = new System.Windows.Forms.Button();  
    99.             this.textBox1 = new System.Windows.Forms.TextBox();  
    100.             this.label6 = new System.Windows.Forms.Label();  
    101.             this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();  
    102.             this.groupBox2 = new System.Windows.Forms.GroupBox();  
    103.             this.textBox6 = new System.Windows.Forms.TextBox();  
    104.             this.textBox5 = new System.Windows.Forms.TextBox();  
    105.             this.label4 = new System.Windows.Forms.Label();  
    106.             this.textBox4 = new System.Windows.Forms.TextBox();  
    107.             this.label3 = new System.Windows.Forms.Label();  
    108.             this.label5 = new System.Windows.Forms.Label();  
    109.             this.label9 = new System.Windows.Forms.Label();  
    110.             this.groupBox3 = new System.Windows.Forms.GroupBox();  
    111.             this.textBox8 = new System.Windows.Forms.TextBox();  
    112.             this.textBox9 = new System.Windows.Forms.TextBox();  
    113.             this.textBox7 = new System.Windows.Forms.TextBox();  
    114.             this.progressBar1 = new System.Windows.Forms.ProgressBar();  
    115.             this.label7 = new System.Windows.Forms.Label();  
    116.             this.label8 = new System.Windows.Forms.Label();  
    117.             this.label10 = new System.Windows.Forms.Label();  
    118.             this.label11 = new System.Windows.Forms.Label();  
    119.             this.label12 = new System.Windows.Forms.Label();  
    120.             this.textBox10 = new System.Windows.Forms.TextBox();  
    121.             this.groupBox4 = new System.Windows.Forms.GroupBox();  
    122.             this.button2 = new System.Windows.Forms.Button();  
    123.             this.groupBox1.SuspendLayout();  
    124.             this.groupBox2.SuspendLayout();  
    125.             this.groupBox3.SuspendLayout();  
    126.             this.groupBox4.SuspendLayout();  
    127.             this.SuspendLayout();  
    128.             //   
    129.             // groupBox1  
    130.             //   
    131.             this.groupBox1.Controls.Add(this.textBox2);  
    132.             this.groupBox1.Controls.Add(this.textBox3);  
    133.             this.groupBox1.Controls.Add(this.label2);  
    134.             this.groupBox1.Controls.Add(this.label1);  
    135.             this.groupBox1.Controls.Add(this.button1);  
    136.             this.groupBox1.Controls.Add(this.textBox1);  
    137.             this.groupBox1.Controls.Add(this.label6);  
    138.             this.groupBox1.Location = new System.Drawing.Point(0, 0);  
    139.             this.groupBox1.Name = "groupBox1";  
    140.             this.groupBox1.Size = new System.Drawing.Size(416, 96);  
    141.             this.groupBox1.TabIndex = 0;  
    142.             this.groupBox1.TabStop = false;  
    143.             this.groupBox1.Text = "文件信息";  
    144.             //   
    145.             // textBox2  
    146.             //   
    147.             this.textBox2.Location = new System.Drawing.Point(80, 40);  
    148.             this.textBox2.Name = "textBox2";  
    149.             this.textBox2.ReadOnly = true;  
    150.             this.textBox2.Size = new System.Drawing.Size(232, 21);  
    151.             this.textBox2.TabIndex = 3;  
    152.             //   
    153.             // textBox3  
    154.             //   
    155.             this.textBox3.Location = new System.Drawing.Point(80, 64);  
    156.             this.textBox3.Name = "textBox3";  
    157.             this.textBox3.ReadOnly = true;  
    158.             this.textBox3.Size = new System.Drawing.Size(136, 21);  
    159.             this.textBox3.TabIndex = 3;  
    160.             //   
    161.             // label2  
    162.             //   
    163.             this.label2.Location = new System.Drawing.Point(8, 72);  
    164.             this.label2.Name = "label2";  
    165.             this.label2.Size = new System.Drawing.Size(100, 16);  
    166.             this.label2.TabIndex = 4;  
    167.             this.label2.Text = "文件大小：";  
    168.             //   
    169.             // label1  
    170.             //   
    171.             this.label1.Location = new System.Drawing.Point(16, 48);  
    172.             this.label1.Name = "label1";  
    173.             this.label1.Size = new System.Drawing.Size(96, 16);  
    174.             this.label1.TabIndex = 2;  
    175.             this.label1.Text = "文件名：";  
    176.             //   
    177.             // button1  
    178.             //   
    179.             this.button1.Location = new System.Drawing.Point(320, 16);  
    180.             this.button1.Name = "button1";  
    181.             this.button1.Size = new System.Drawing.Size(88, 23);  
    182.             this.button1.TabIndex = 1;  
    183.             this.button1.Text = "浏览";  
    184.             this.button1.Click += new System.EventHandler(this.button1_Click);  
    185.             //   
    186.             // textBox1  
    187.             //   
    188.             this.textBox1.Location = new System.Drawing.Point(8, 16);  
    189.             this.textBox1.Name = "textBox1";  
    190.             this.textBox1.ReadOnly = true;  
    191.             this.textBox1.Size = new System.Drawing.Size(304, 21);  
    192.             this.textBox1.TabIndex = 0;  
    193.             //   
    194.             // label6  
    195.             //   
    196.             this.label6.Location = new System.Drawing.Point(224, 72);  
    197.             this.label6.Name = "label6";  
    198.             this.label6.Size = new System.Drawing.Size(96, 16);  
    199.             this.label6.TabIndex = 2;  
    200.             this.label6.Text = "（单位：字节）";  
    201.             //   
    202.             // openFileDialog1  
    203.             //   
    204.             this.openFileDialog1.Filter = "所有文件|*.*";  
    205.             //   
    206.             // groupBox2  
    207.             //   
    208.             this.groupBox2.Controls.Add(this.textBox6);  
    209.             this.groupBox2.Controls.Add(this.textBox5);  
    210.             this.groupBox2.Controls.Add(this.label4);  
    211.             this.groupBox2.Controls.Add(this.textBox4);  
    212.             this.groupBox2.Controls.Add(this.label3);  
    213.             this.groupBox2.Controls.Add(this.label5);  
    214.             this.groupBox2.Controls.Add(this.label9);  
    215.             this.groupBox2.Location = new System.Drawing.Point(0, 96);  
    216.             this.groupBox2.Name = "groupBox2";  
    217.             this.groupBox2.Size = new System.Drawing.Size(416, 72);  
    218.             this.groupBox2.TabIndex = 1;  
    219.             this.groupBox2.TabStop = false;  
    220.             this.groupBox2.Text = "系统设置";  
    221.             //   
    222.             // textBox6  
    223.             //   
    224.             this.textBox6.Location = new System.Drawing.Point(96, 40);  
    225.             this.textBox6.Name = "textBox6";  
    226.             this.textBox6.Size = new System.Drawing.Size(72, 21);  
    227.             this.textBox6.TabIndex = 3;  
    228.             this.textBox6.Text = "50000";  
    229.             //   
    230.             // textBox5  
    231.             //   
    232.             this.textBox5.Location = new System.Drawing.Point(320, 16);  
    233.             this.textBox5.Name = "textBox5";  
    234.             this.textBox5.Size = new System.Drawing.Size(80, 21);  
    235.             this.textBox5.TabIndex = 3;  
    236.             this.textBox5.Text = "2005";  
    237.             //   
    238.             // label4  
    239.             //   
    240.             this.label4.Location = new System.Drawing.Point(256, 24);  
    241.             this.label4.Name = "label4";  
    242.             this.label4.Size = new System.Drawing.Size(100, 16);  
    243.             this.label4.TabIndex = 2;  
    244.             this.label4.Text = "传输端口：";  
    245.             //   
    246.             // textBox4  
    247.             //   
    248.             this.textBox4.Location = new System.Drawing.Point(96, 16);  
    249.             this.textBox4.Name = "textBox4";  
    250.             this.textBox4.ReadOnly = true;  
    251.             this.textBox4.Size = new System.Drawing.Size(144, 21);  
    252.             this.textBox4.TabIndex = 1;  
    253.             //   
    254.             // label3  
    255.             //   
    256.             this.label3.Location = new System.Drawing.Point(16, 24);  
    257.             this.label3.Name = "label3";  
    258.             this.label3.Size = new System.Drawing.Size(100, 16);  
    259.             this.label3.TabIndex = 0;  
    260.             this.label3.Text = "本机IP地址：";  
    261.             //   
    262.             // label5  
    263.             //   
    264.             this.label5.Location = new System.Drawing.Point(24, 48);  
    265.             this.label5.Name = "label5";  
    266.             this.label5.Size = new System.Drawing.Size(88, 16);  
    267.             this.label5.TabIndex = 2;  
    268.             this.label5.Text = "包的大小：";  
    269.             //   
    270.             // label9  
    271.             //   
    272.             this.label9.Location = new System.Drawing.Point(176, 48);  
    273.             this.label9.Name = "label9";  
    274.             this.label9.Size = new System.Drawing.Size(224, 16);  
    275.             this.label9.TabIndex = 2;  
    276.             this.label9.Text = "（范围：10000 - 60000 单位：字节）";  
    277.             //   
    278.             // groupBox3  
    279.             //   
    280.             this.groupBox3.Controls.Add(this.textBox8);  
    281.             this.groupBox3.Controls.Add(this.textBox9);  
    282.             this.groupBox3.Controls.Add(this.textBox7);  
    283.             this.groupBox3.Controls.Add(this.progressBar1);  
    284.             this.groupBox3.Controls.Add(this.label7);  
    285.             this.groupBox3.Controls.Add(this.label8);  
    286.             this.groupBox3.Controls.Add(this.label10);  
    287.             this.groupBox3.Controls.Add(this.label11);  
    288.             this.groupBox3.Controls.Add(this.label12);  
    289.             this.groupBox3.Controls.Add(this.textBox10);  
    290.             this.groupBox3.Location = new System.Drawing.Point(0, 168);  
    291.             this.groupBox3.Name = "groupBox3";  
    292.             this.groupBox3.Size = new System.Drawing.Size(416, 168);  
    293.             this.groupBox3.TabIndex = 2;  
    294.             this.groupBox3.TabStop = false;  
    295.             this.groupBox3.Text = "状态信息";  
    296.             //   
    297.             // textBox8  
    298.             //   
    299.             this.textBox8.Location = new System.Drawing.Point(120, 40);  
    300.             this.textBox8.Name = "textBox8";  
    301.             this.textBox8.ReadOnly = true;  
    302.             this.textBox8.Size = new System.Drawing.Size(160, 21);  
    303.             this.textBox8.TabIndex = 1;  
    304.             //   
    305.             // textBox9  
    306.             //   
    307.             this.textBox9.Location = new System.Drawing.Point(120, 64);  
    308.             this.textBox9.Name = "textBox9";  
    309.             this.textBox9.ReadOnly = true;  
    310.             this.textBox9.Size = new System.Drawing.Size(80, 21);  
    311.             this.textBox9.TabIndex = 1;  
    312.             //   
    313.             // textBox7  
    314.             //   
    315.             this.textBox7.Location = new System.Drawing.Point(120, 16);  
    316.             this.textBox7.Name = "textBox7";  
    317.             this.textBox7.ReadOnly = true;  
    318.             this.textBox7.Size = new System.Drawing.Size(160, 21);  
    319.             this.textBox7.TabIndex = 1;  
    320.             //   
    321.             // progressBar1  
    322.             //   
    323.             this.progressBar1.Location = new System.Drawing.Point(8, 136);  
    324.             this.progressBar1.Name = "progressBar1";  
    325.             this.progressBar1.Size = new System.Drawing.Size(400, 23);  
    326.             this.progressBar1.Step = 1;  
    327.             this.progressBar1.TabIndex = 3;  
    328.             //   
    329.             // label7  
    330.             //   
    331.             this.label7.Location = new System.Drawing.Point(32, 24);  
    332.             this.label7.Name = "label7";  
    333.             this.label7.Size = new System.Drawing.Size(96, 16);  
    334.             this.label7.TabIndex = 2;  
    335.             this.label7.Text = "接收端IP地址：";  
    336.             //   
    337.             // label8  
    338.             //   
    339.             this.label8.Location = new System.Drawing.Point(40, 48);  
    340.             this.label8.Name = "label8";  
    341.             this.label8.Size = new System.Drawing.Size(80, 16);  
    342.             this.label8.TabIndex = 2;  
    343.             this.label8.Text = "包的总数量：";  
    344.             //   
    345.             // label10  
    346.             //   
    347.             this.label10.Location = new System.Drawing.Point(8, 72);  
    348.             this.label10.Name = "label10";  
    349.             this.label10.Size = new System.Drawing.Size(120, 16);  
    350.             this.label10.TabIndex = 2;  
    351.             this.label10.Text = "最后一个包的大小：";  
    352.             //   
    353.             // label11  
    354.             //   
    355.             this.label11.Location = new System.Drawing.Point(200, 72);  
    356.             this.label11.Name = "label11";  
    357.             this.label11.Size = new System.Drawing.Size(96, 16);  
    358.             this.label11.TabIndex = 2;  
    359.             this.label11.Text = "（单位：字节）";  
    360.             //   
    361.             // label12  
    362.             //   
    363.             this.label12.Location = new System.Drawing.Point(16, 96);  
    364.             this.label12.Name = "label12";  
    365.             this.label12.Size = new System.Drawing.Size(104, 16);  
    366.             this.label12.TabIndex = 2;  
    367.             this.label12.Text = "已发送包的数量：";  
    368.             //   
    369.             // textBox10  
    370.             //   
    371.             this.textBox10.Location = new System.Drawing.Point(120, 88);  
    372.             this.textBox10.Name = "textBox10";  
    373.             this.textBox10.ReadOnly = true;  
    374.             this.textBox10.Size = new System.Drawing.Size(80, 21);  
    375.             this.textBox10.TabIndex = 1;  
    376.             //   
    377.             // groupBox4  
    378.             //   
    379.             this.groupBox4.Controls.Add(this.button2);  
    380.             this.groupBox4.Location = new System.Drawing.Point(0, 336);  
    381.             this.groupBox4.Name = "groupBox4";  
    382.             this.groupBox4.Size = new System.Drawing.Size(416, 48);  
    383.             this.groupBox4.TabIndex = 3;  
    384.             this.groupBox4.TabStop = false;  
    385.             this.groupBox4.Text = "系统控制";  
    386.             //   
    387.             // button2  
    388.             //   
    389.             this.button2.Location = new System.Drawing.Point(16, 16);  
    390.             this.button2.Name = "button2";  
    391.             this.button2.Size = new System.Drawing.Size(75, 23);  
    392.             this.button2.TabIndex = 0;  
    393.             this.button2.Text = "开始发送";  
    394.             this.button2.Click += new System.EventHandler(this.button2_Click);  
    395.             //   
    396.             // Form1  
    397.             //   
    398.             this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);  
    399.             this.ClientSize = new System.Drawing.Size(416, 389);  
    400.             this.Controls.Add(this.groupBox4);  
    401.             this.Controls.Add(this.groupBox3);  
    402.             this.Controls.Add(this.groupBox2);  
    403.             this.Controls.Add(this.groupBox1);  
    404.             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;  
    405.             this.MaximizeBox = false;  
    406.             this.Name = "Form1";  
    407.             this.Text = "点对点文件传输软体发送端";  
    408.             this.Load += new System.EventHandler(this.EzoneSend_Load);  
    409.             this.groupBox1.ResumeLayout(false);  
    410.             this.groupBox1.PerformLayout();  
    411.             this.groupBox2.ResumeLayout(false);  
    412.             this.groupBox2.PerformLayout();  
    413.             this.groupBox3.ResumeLayout(false);  
    414.             this.groupBox3.PerformLayout();  
    415.             this.groupBox4.ResumeLayout(false);  
    416.             this.ResumeLayout(false);  
    417.   
    418.         }  
    419.         #endregion  
    420.   
    421.         /// <summary>  
    422.         /// 应用程序的主入口点。  
    423.         /// </summary>  
    424.         [STAThread]  
    425.         static void Main()   
    426.         {  
    427.             Application.Run(new Form1());  
    428.         }  
    429.   
    430.         private void button1_Click(object sender, System.EventArgs e)  
    431.         {  
    432.             //选择要进行传输的文件  
    433.             if(this.openFileDialog1.ShowDialog()==DialogResult.OK)  
    434.             {  
    435.                 FileInfo EzoneFile=new FileInfo(this.openFileDialog1.FileName);  
    436.                 this.textBox1.Text=EzoneFile.FullName;  
    437.                 this.textBox2.Text=EzoneFile.Name;  
    438.                 this.textBox3.Text=EzoneFile.Length.ToString();  
    439.                   
    440.             }  
    441.         }  
    442.   
    443.   
    444.         private void StartSend()  
    445.         {             
    446.             //创建一个文件对象  
    447.             FileInfo EzoneFile=new FileInfo(this.textBox1.Text);  
    448.             //打开文件流  
    449.             FileStream EzoneStream=EzoneFile.OpenRead();  
    450.             //包的大小  
    451.             int PacketSize=int.Parse(this.textBox6.Text);  
    452.             //包的数量  
    453.             int PacketCount=(int)(EzoneStream.Length/((long)PacketSize));  
    454.             this.textBox8.Text=PacketCount.ToString();  
    455.             this.progressBar1.Maximum=PacketCount;  
    456.             //最后一个包的大小  
    457.             int LastDataPacket=(int)(EzoneStream.Length-((long)(PacketSize*PacketCount)));  
    458.             this.textBox9.Text=LastDataPacket.ToString();  
    459.               
    460.             ////创建一个网络端点  
    461.             //IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("192.168.1.136"), int.Parse(this.textBox5.Text));  
    462.   
    463.             ////MessageBox.Show(IPAddress.Any);  
    464.   
    465.             ////创建一个套接字  
    466.             //Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);  
    467.   
    468.             //MessageBox.Show(server.ToString());  
    469.   
    470.   
    471.   
    472.             //指向远程服务端节点  
    473.             IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("192.168.1.136"), int.Parse(this.textBox5.Text));  
    474.             //创建套接字  
    475.             Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);  
    476.             //连接到发送端  
    477.             client.Connect(ipep);  
    478.   
    479.   
    480.   
    481.   
    482.   
    483.             ////绑定套接字到端口  
    484.             //client.Bind(ipep);  
    485.   
    486.             //MessageBox.Show(ipep.ToString());  
    487.   
    488.             ////开始侦听(并堵塞该线程)  
    489.             //server.Listen(10);  
    490.             //确认连接  
    491.             //Socket client = server.Accept();  
    492.   
    493.             //MessageBox.Show(client.ToString());  
    494.   
    495.               
    496.   
    497.               
    498.   
    499.   
    500.   
    501.             //获得客户端节点对象  
    502.             IPEndPoint clientep=(IPEndPoint)client.RemoteEndPoint;  
    503.             //获得客户端的IP地址  
    504.             //this.textBox7.Text=clientep.Address.ToString();  
    505.             //发送[文件名]到客户端  
    506.             CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(EzoneFile.Name));  
    507.             //发送[包的大小]到客户端  
    508.             CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(PacketSize.ToString()));  
    509.             //发送[包的总数量]到客户端  
    510.             CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(PacketCount.ToString()));  
    511.             //发送[最后一个包的大小]到客户端  
    512.             CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(LastDataPacket.ToString()));  
    513.   
    514.             //数据包  
    515.             byte[] data=new byte[PacketSize];  
    516.             //开始循环发送数据包  
    517.             for(int i=0;i<PacketCount;i++)  
    518.             {  
    519.                 //从文件流读取数据并填充数据包  
    520.                 EzoneStream.Read(data,0,data.Length);  
    521.                 //发送数据包  
    522.                 CommonModule.EzoneModule.SendVarData(client,data);  
    523.                 //显示发送数据包的个数  
    524.                 this.textBox10.Text=((int)(i+1)).ToString();  
    525.                 //进度条值的显示  
    526.                 this.progressBar1.PerformStep();  
    527.             }  
    528.   
    529.             //如果还有多余的数据包,则应该发送完毕!  
    530.             if(LastDataPacket!=0)  
    531.             {  
    532.                 data=new byte[LastDataPacket];  
    533.                 EzoneStream.Read(data,0,data.Length);  
    534.                 CommonModule.EzoneModule.SendVarData(client,data);  
    535.                 this.progressBar1.Value=this.progressBar1.Maximum;  
    536.             }  
    537.   
    538.             //关闭套接字  
    539.             client.Close();  
    540.             //server.Close();  
    541.             //关闭文件流  
    542.             EzoneStream.Close();  
    543.             this.button2.Enabled=true;  
    544.             MessageBox.Show("文件传输完毕!");  
    545.         }  
    546.   
    547.   
    548.         private void button2_Click(object sender, System.EventArgs e)  
    549.         {  
    550.             //开启文件传输子线程  
    551.             Thread TempThread=new Thread(new ThreadStart(this.StartSend));  
    552.             TempThread.Start();  
    553.             this.button2.Enabled=false;  
    554.         }  
    555.   
    556.         private void EzoneSend_Load(object sender, System.EventArgs e)  
    557.         {  
    558.             //获得本机的IP地址  
    559.             this.textBox4.Text=Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString();  
    560.         }  
    561.     }  
    562. }  


    公共类，服务端客户端都需要用到 

    C#代码 
    1. ////////////////////////////Begin-公共模块//////////////////////////////////////  
    2.   
    3.   
    4. using System;  
    5. using System.Collections.Generic;  
    6. using System.Text;  
    7.   
    8. using System.Net;  
    9. using System.Net.Sockets;  
    10. using System.Windows.Forms;  
    11.   
    12. namespace TestSocketServerHSTF  
    13. {  
    14.     class TransferFiles  
    15.     {  
    16.         public TransferFiles()  
    17.         {  
    18.             //  
    19.             // TODO: 在此处添加构造函数逻辑  
    20.             //  
    21.         }  
    22.   
    23.   
    24.   
    25.         public static int SendData(Socket s, byte[] data)  
    26.         {  
    27.             int total = 0;  
    28.             int size = data.Length;  
    29.             int dataleft = size;  
    30.             int sent;  
    31.   
    32.             while (total < size)  
    33.             {  
    34.                 sent = s.Send(data, total, dataleft, SocketFlags.None);  
    35.                 total += sent;  
    36.                 dataleft -= sent;  
    37.             }  
    38.   
    39.             return total;  
    40.         }  
    41.   
    42.         public static byte[] ReceiveData(Socket s, int size)  
    43.         {  
    44.             int total = 0;  
    45.             int dataleft = size;  
    46.             byte[] data = new byte[size];  
    47.             int recv;  
    48.             while (total < size)  
    49.             {  
    50.                 recv = s.Receive(data, total, dataleft, SocketFlags.None);  
    51.                 if (recv == 0)  
    52.                 {  
    53.                     data = null;  
    54.                     break;  
    55.                 }  
    56.   
    57.                 total += recv;  
    58.                 dataleft -= recv;  
    59.             }  
    60.             return data;  
    61.         }  
    62.   
    63.         public static int SendVarData(Socket s, byte[] data)  
    64.         {  
    65.             int total = 0;  
    66.             int size = data.Length;  
    67.             int dataleft = size;  
    68.             int sent;  
    69.             byte[] datasize = new byte[4];  
    70.             datasize = BitConverter.GetBytes(size);  
    71.             sent = s.Send(datasize);  
    72.   
    73.             while (total < size)  
    74.             {  
    75.                 sent = s.Send(data, total, dataleft, SocketFlags.None);  
    76.                 total += sent;  
    77.                 dataleft -= sent;  
    78.             }  
    79.   
    80.             return total;  
    81.         }  
    82.   
    83.         public static byte[] ReceiveVarData(Socket s)  
    84.         {  
    85.             int total = 0;  
    86.             int recv;  
    87.             byte[] datasize = new byte[4];  
    88.             recv = s.Receive(datasize, 0, 4, SocketFlags.None);  
    89.             int size = BitConverter.ToInt32(datasize, 0);  
    90.             int dataleft = size;  
    91.             byte[] data = new byte[size];  
    92.             while (total < size)  
    93.             {  
    94.                 recv = s.Receive(data, total, dataleft, SocketFlags.None);  
    95.                 if (recv == 0)  
    96.                 {  
    97.                     data = null;  
    98.                     break;  
    99.                 }  
    100.                 total += recv;  
    101.                 dataleft -= recv;  
    102.             }  
    103.             return data;  
    104.         }  
    105.     }  
    106. }  
    107.   
    108.   
    109.   
    110.   
    111. /////////////////////////////End-公共模块///////////////////////////////////////  
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  • 原文地址：https://www.cnblogs.com/liufei88866/p/1769742.html
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