private void StartSend()
  {  
   //创建一个文件对象
   FileInfo EzoneFile=new FileInfo(this.textBox1.Text);
   //打开文件流
   FileStream EzoneStream=EzoneFile.OpenRead();
   //包的大小
   int PacketSize=int.Parse(this.textBox6.Text);
   //包的数量
   int PacketCount=(int)(EzoneStream.Length/((long)PacketSize));
   this.textBox8.Text=PacketCount.ToString();
   this.progressBar1.Maximum=PacketCount;
   //最后一个包的大小
   int LastDataPacket=(int)(EzoneStream.Length-((long)(PacketSize*PacketCount)));
   this.textBox9.Text=LastDataPacket.ToString();
   //创建一个网络端点
   IPEndPoint ipep=new IPEndPoint(IPAddress.Any,int.Parse(this.textBox5.Text));
   //创建一个套接字
   Socket server=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
   //绑定套接字到端口
   server.Bind(ipep);
   //开始侦听(并堵塞该线程)
   server.Listen(10);
   //确认连接
   Socket client=server.Accept();
   //获得客户端节点对象
   IPEndPoint clientep=(IPEndPoint)client.RemoteEndPoint;
   //获得客户端的IP地址
   this.textBox7.Text=clientep.Address.ToString();
   //发送[文件名]到客户端
   CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(EzoneFile.Name));
   //发送[包的大小]到客户端
   CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(PacketSize.ToString()));
   //发送[包的总数量]到客户端
   CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(PacketCount.ToString()));
   //发送[最后一个包的大小]到客户端
   CommonModule.EzoneModule.SendVarData(client,System.Text.Encoding.Unicode.GetBytes(LastDataPacket.ToString()));

   //数据包
   byte[] data=new byte[PacketSize];
   //开始循环发送数据包
   for(int i=0;i<PacketCount;i++)
   {
    //从文件流读取数据并填充数据包
    EzoneStream.Read(data,0,data.Length);
    //发送数据包
    CommonModule.EzoneModule.SendVarData(client,data);
    //显示发送数据包的个数
    this.textBox10.Text=((int)(i+1)).ToString();
    //进度条值的显示
    this.progressBar1.PerformStep();
   }

   //如果还有多余的数据包,则应该发送完毕!
   if(LastDataPacket!=0)
   {
    data=new byte[LastDataPacket];
    EzoneStream.Read(data,0,data.Length);
    CommonModule.EzoneModule.SendVarData(client,data);
    this.progressBar1.Value=this.progressBar1.Maximum;
   }

   //关闭套接字
   client.Close();
   server.Close();
   //关闭文件流
   EzoneStream.Close();
   this.button2.Enabled=true;
   MessageBox.Show("文件传输完毕!");
  }

  private void button2_Click(object sender, System.EventArgs e)
  {
   //开启文件传输子线程
   Thread TempThread=new Thread(new ThreadStart(this.StartSend));
   TempThread.Start();
   this.button2.Enabled=false;
  }

  private void EzoneSend_Load(object sender, System.EventArgs e)
  {
   //获得本机的IP地址
   this.textBox4.Text=Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString();
  }
 }
}
//////////////////////////End-亿众国际发送端////////////////////////////////////

//////////////////////////Begin-亿众国际接收端//////////////////////////////////
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;

namespace 亿众国际接收端
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class EzoneReceive : System.Windows.Forms.Form
 {
  private System.Windows.Forms.GroupBox groupBox1;
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.GroupBox groupBox3;
  private System.Windows.Forms.GroupBox groupBox2;
  private System.Windows.Forms.TextBox textBox5;
  private System.Windows.Forms.Label label4;
  private System.Windows.Forms.TextBox textBox4;
  private System.Windows.Forms.Label label3;
  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.Label label2;
  private System.Windows.Forms.TextBox textBox2;
  private System.Windows.Forms.TextBox textBox8;
  private System.Windows.Forms.TextBox textBox9;
  private System.Windows.Forms.Label label8;
  private System.Windows.Forms.Label label10;
  private System.Windows.Forms.Label label11;
  private System.Windows.Forms.Label label12;
  private System.Windows.Forms.TextBox textBox10;
  private System.Windows.Forms.ProgressBar progressBar1;
  private System.Windows.Forms.TextBox textBox3;
  private System.Windows.Forms.Label label5;
  private System.Windows.Forms.Label label6;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public EzoneReceive()
  {
   //
   // 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()
  {
   this.groupBox1 = new System.Windows.Forms.GroupBox();
   this.button1 = new System.Windows.Forms.Button();
   this.groupBox3 = new System.Windows.Forms.GroupBox();
   this.groupBox2 = new System.Windows.Forms.GroupBox();
   this.textBox5 = new System.Windows.Forms.TextBox();
   this.label4 = new System.Windows.Forms.Label();
   this.textBox4 = new System.Windows.Forms.TextBox();
   this.label3 = new System.Windows.Forms.Label();
   this.textBox1 = new System.Windows.Forms.TextBox();
   this.label1 = new System.Windows.Forms.Label();
   this.label2 = new System.Windows.Forms.Label();
   this.textBox2 = new System.Windows.Forms.TextBox();
   this.textBox8 = new System.Windows.Forms.TextBox();
   this.textBox9 = new System.Windows.Forms.TextBox();
   this.label8 = new System.Windows.Forms.Label();
   this.label10 = new System.Windows.Forms.Label();
   this.label11 = new System.Windows.Forms.Label();
   this.label12 = new System.Windows.Forms.Label();
   this.textBox10 = new System.Windows.Forms.TextBox();
   this.progressBar1 = new System.Windows.Forms.ProgressBar();
   this.textBox3 = new System.Windows.Forms.TextBox();
   this.label5 = new System.Windows.Forms.Label();
   this.label6 = new System.Windows.Forms.Label();
   this.groupBox1.SuspendLayout();
   this.groupBox3.SuspendLayout();
   this.groupBox2.SuspendLayout();
   this.SuspendLayout();
   //
   // groupBox1
   //
   this.groupBox1.Controls.Add(this.button1);
   this.groupBox1.Location = new System.Drawing.Point(0, 256);
   this.groupBox1.Name = "groupBox1";
   this.groupBox1.Size = new System.Drawing.Size(408, 48);
   this.groupBox1.TabIndex = 0;
   this.groupBox1.TabStop = false;
   this.groupBox1.Text = "系统控制";
   //
   // button1
   //
   this.button1.Location = new System.Drawing.Point(8, 16);
   this.button1.Name = "button1";
   this.button1.TabIndex = 0;
   this.button1.Text = "开始接收";
   this.button1.Click += new System.EventHandler(this.button1_Click);
   //
   // groupBox3
   //
   this.groupBox3.Controls.Add(this.progressBar1);
   this.groupBox3.Controls.Add(this.textBox8);
   this.groupBox3.Controls.Add(this.textBox9);
   this.groupBox3.Controls.Add(this.label8);
   this.groupBox3.Controls.Add(this.label10);
   this.groupBox3.Controls.Add(this.label11);
   this.groupBox3.Controls.Add(this.label12);
   this.groupBox3.Controls.Add(this.textBox10);
   this.groupBox3.Controls.Add(this.textBox2);
   this.groupBox3.Controls.Add(this.label2);
   this.groupBox3.Controls.Add(this.textBox3);
   this.groupBox3.Controls.Add(this.label5);
   this.groupBox3.Controls.Add(this.label6);
   this.groupBox3.Location = new System.Drawing.Point(0, 72);
   this.groupBox3.Name = "groupBox3";
   this.groupBox3.Size = new System.Drawing.Size(408, 184);
   this.groupBox3.TabIndex = 4;
   this.groupBox3.TabStop = false;
   this.groupBox3.Text = "状态信息";
   //
   // groupBox2
   //
   this.groupBox2.Controls.Add(this.textBox5);
   this.groupBox2.Controls.Add(this.label4);
   this.groupBox2.Controls.Add(this.textBox4);
   this.groupBox2.Controls.Add(this.label3);
   this.groupBox2.Controls.Add(this.textBox1);
   this.groupBox2.Controls.Add(this.label1);
   this.groupBox2.Location = new System.Drawing.Point(0, 0);
   this.groupBox2.Name = "groupBox2";
   this.groupBox2.Size = new System.Drawing.Size(408, 72);
   this.groupBox2.TabIndex = 3;
   this.groupBox2.TabStop = false;
   this.groupBox2.Text = "系统设置";
   //
   // textBox5
   //
   this.textBox5.Location = new System.Drawing.Point(320, 40);
   this.textBox5.Name = "textBox5";
   this.textBox5.Size = new System.Drawing.Size(80, 21);
   this.textBox5.TabIndex = 3;
   this.textBox5.Text = "8888";
   //
   // label4
   //
   this.label4.Location = new System.Drawing.Point(280, 48);
   this.label4.Name = "label4";
   this.label4.Size = new System.Drawing.Size(100, 16);
   this.label4.TabIndex = 2;
   this.label4.Text = "端口：";
   //
   // textBox4
   //
   this.textBox4.Location = new System.Drawing.Point(104, 16);
   this.textBox4.Name = "textBox4";
   this.textBox4.ReadOnly = true;
   this.textBox4.Size = new System.Drawing.Size(160, 21);
   this.textBox4.TabIndex = 1;
   this.textBox4.Text = "";
   //
   // label3
   //
   this.label3.Location = new System.Drawing.Point(16, 24);
   this.label3.Name = "label3";
   this.label3.Size = new System.Drawing.Size(100, 16);
   this.label3.TabIndex = 0;
   this.label3.Text = "本机IP地址：";
   //
   // textBox1
   //
   this.textBox1.Location = new System.Drawing.Point(104, 40);
   this.textBox1.Name = "textBox1";
   this.textBox1.Size = new System.Drawing.Size(160, 21);
   this.textBox1.TabIndex = 1;
   this.textBox1.Text = "";
   //
   // label1
   //
   this.label1.Location = new System.Drawing.Point(16, 48);
   this.label1.Name = "label1";
   this.label1.Size = new System.Drawing.Size(100, 16);
   this.label1.TabIndex = 0;
   this.label1.Text = "服务端IP地址：";
   //
   // label2
   //
   this.label2.Location = new System.Drawing.Point(64, 24);
   this.label2.Name = "label2";
   this.label2.Size = new System.Drawing.Size(100, 16);
   this.label2.TabIndex = 0;
   this.label2.Text = "文件名：";
   //
   // textBox2
   //
   this.textBox2.Location = new System.Drawing.Point(120, 16);
   this.textBox2.Name = "textBox2";
   this.textBox2.ReadOnly = true;
   this.textBox2.Size = new System.Drawing.Size(160, 21);
   this.textBox2.TabIndex = 1;
   this.textBox2.Text = "";
   //
   // textBox8
   //
   this.textBox8.Location = new System.Drawing.Point(120, 64);
   this.textBox8.Name = "textBox8";
   this.textBox8.ReadOnly = true;
   this.textBox8.Size = new System.Drawing.Size(160, 21);
   this.textBox8.TabIndex = 5;
   this.textBox8.Text = "";
   //
   // textBox9
   //
   this.textBox9.Location = new System.Drawing.Point(120, 88);
   this.textBox9.Name = "textBox9";
   this.textBox9.ReadOnly = true;
   this.textBox9.Size = new System.Drawing.Size(80, 21);
   this.textBox9.TabIndex = 4;
   this.textBox9.Text = "";
   //
   // label8
   //
   this.label8.Location = new System.Drawing.Point(40, 72);
   this.label8.Name = "label8";
   this.label8.Size = new System.Drawing.Size(80, 16);
   this.label8.TabIndex = 8;
   this.label8.Text = "包的总数量：";
   //
   // label10
   //
   this.label10.Location = new System.Drawing.Point(8, 96);
   this.label10.Name = "label10";
   this.label10.Size = new System.Drawing.Size(120, 16);
   this.label10.TabIndex = 9;
   this.label10.Text = "最后一个包的大小：";
   //
   // label11
   //
   this.label11.Location = new System.Drawing.Point(200, 96);
   this.label11.Name = "label11";
   this.label11.Size = new System.Drawing.Size(96, 16);
   this.label11.TabIndex = 7;
   this.label11.Text = "（单位：字节）";
   //
   // label12
   //
   this.label12.Location = new System.Drawing.Point(16, 120);
   this.label12.Name = "label12";
   this.label12.Size = new System.Drawing.Size(104, 16);
   this.label12.TabIndex = 6;
   this.label12.Text = "已接收包的数量：";
   //
   // textBox10
   //
   this.textBox10.Location = new System.Drawing.Point(120, 112);
   this.textBox10.Name = "textBox10";
   this.textBox10.ReadOnly = true;
   this.textBox10.Size = new System.Drawing.Size(80, 21);
   this.textBox10.TabIndex = 3;
   this.textBox10.Text = "";
   //
   // progressBar1
   //
   this.progressBar1.Location = new System.Drawing.Point(8, 152);
   this.progressBar1.Name = "progressBar1";
   this.progressBar1.Size = new System.Drawing.Size(392, 23);
   this.progressBar1.Step = 1;
   this.progressBar1.TabIndex = 10;
   //
   // textBox3
   //
   this.textBox3.Location = new System.Drawing.Point(120, 40);
   this.textBox3.Name = "textBox3";
   this.textBox3.ReadOnly = true;
   this.textBox3.Size = new System.Drawing.Size(160, 21);
   this.textBox3.TabIndex = 5;
   this.textBox3.Text = "";
   //
   // label5
   //
   this.label5.Location = new System.Drawing.Point(48, 48);
   this.label5.Name = "label5";
   this.label5.Size = new System.Drawing.Size(72, 16);
   this.label5.TabIndex = 8;
   this.label5.Text = "包的大小：";
   //
   // label6
   //
   this.label6.Location = new System.Drawing.Point(288, 48);
   this.label6.Name = "label6";
   this.label6.Size = new System.Drawing.Size(96, 16);
   this.label6.TabIndex = 7;
   this.label6.Text = "（单位：字节）";
   //
   // EzoneReceive
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(410, 311);
   this.Controls.Add(this.groupBox3);
   this.Controls.Add(this.groupBox2);
   this.Controls.Add(this.groupBox1);
   this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
   this.MaximizeBox = false;
   this.Name = "EzoneReceive";
   this.Text = "亿众国际点对点文件传输软体接收端";
   this.Load += new System.EventHandler(this.EzoneReceive_Load);
   this.groupBox1.ResumeLayout(false);
   this.groupBox3.ResumeLayout(false);
   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 EzoneReceive());
  }

  private void button1_Click(object sender, System.EventArgs e)
  {
   //开启接收线程
   Thread TempThread=new Thread(new ThreadStart(this.StartReceive));
   TempThread.Start();
   this.button1.Enabled=false;
  }

  private void EzoneReceive_Load(object sender, System.EventArgs e)
  {
   //获得本机的IP地址
   this.textBox4.Text=Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString();
  }

  private void StartReceive()
  {
   //指向远程服务端节点
   IPEndPoint ipep=new IPEndPoint(IPAddress.Parse(this.textBox1.Text),int.Parse(this.textBox5.Text));
   //创建套接字
   Socket client=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
   //连接到发送端
   client.Connect(ipep);
   //获得[文件名]
   string SendFileName=System.Text.Encoding.Unicode.GetString(CommonModule.EzoneModule.ReceiveVarData(client));
   this.textBox2.Text=SendFileName;
   //获得[包的大小]
   this.textBox3.Text=System.Text.Encoding.Unicode.GetString(CommonModule.EzoneModule.ReceiveVarData(client));
   //获得[包的总数量]
   this.textBox8.Text=System.Text.Encoding.Unicode.GetString(CommonModule.EzoneModule.ReceiveVarData(client));
   this.progressBar1.Maximum=int.Parse(this.textBox8.Text);
   //获得[最后一个包的大小]
   this.textBox9.Text=System.Text.Encoding.Unicode.GetString(CommonModule.EzoneModule.ReceiveVarData(client));
   //创建一个新文件
   FileStream MyFileStream=new FileStream(SendFileName,FileMode.Create,FileAccess.Write);
   //已发送包的个数
   int SendedCount=0;
   while(true)
   {
    byte[] data=CommonModule.EzoneModule.ReceiveVarData(client);
    if(data.Length==0)
    {
     break;
    }
    else
    {
     SendedCount++;
     //将接收到的数据包写入到文件流对象
     MyFileStream.Write(data,0,data.Length);
     //显示已发送包的个数
     this.textBox10.Text=SendedCount.ToString();
     //进度条值的显示
     this.progressBar1.PerformStep();
    }
   }
   this.progressBar1.Value=this.progressBar1.Maximum;
   //关闭文件流
   MyFileStream.Close();
   //关闭套接字
   client.Close();
   this.button1.Enabled=true;
   MessageBox.Show("文件接收完毕!");
  }
 }
}
//////////////////////////End-亿众国际接收端////////////////////////////////////

////////////////////////////Begin-公共模块//////////////////////////////////////
using System;
using System.Net;
using System.Net.Sockets;
using System.Windows.Forms;

namespace CommonModule
{
 /// <summary>
 /// Class1 的摘要说明。
 /// </summary>
 public class EzoneModule
 {
  public EzoneModule()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }

  public static int SendData(Socket s,byte[] data)
  {
   int total=0;
   int size=data.Length;
   int dataleft=size;
   int sent;

   while(total<size)
   {
    sent=s.Send(data,total,dataleft,SocketFlags.None);
    total+=sent;
    dataleft-=sent;
   }

   return total;
  }

  public static byte[] ReceiveData(Socket s,int size)
  {
   int total=0;
   int dataleft=size;
   byte[] data=new byte[size];
   int recv;
   while(total<size)
   {
    recv=s.Receive(data,total,dataleft,SocketFlags.None);
    if(recv==0)
    {
     data=null;
     break;
    }

    total+=recv;
    dataleft-=recv;
   }
   return data;
  }

  public static int SendVarData(Socket s,byte[] data)
  {
   int total=0;
   int size=data.Length;
   int dataleft=size;
   int sent;
   byte[] datasize=new byte[4];
   datasize=BitConverter.GetBytes(size);
   sent=s.Send(datasize);

   while(total<size)
   {
    sent=s.Send(data,total,dataleft,SocketFlags.None);
    total+=sent;
    dataleft-=sent;
   }

   return total;
  }

  public static byte[] ReceiveVarData(Socket s)
  {
   int total=0;
   int recv;
   byte[] datasize=new byte[4];
   recv=s.Receive(datasize,0,4,SocketFlags.None);
   int size=BitConverter.ToInt32(datasize,0);
   int dataleft=size;
   byte[] data=new byte[size];
   while(total<size)
   {
    recv=s.Receive(data,total,dataleft,SocketFlags.None);
    if(recv==0)
    {
     data=null;
     break;
    }
    total+=recv;
    dataleft-=recv;
   }
   return data;
  }
 }
}

/////////////////////////////End-公共模块///////////////////////////////////////