TCP Socket传输

FrmTcpClient:
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
using System.Text;

namespace TcpClient_ZT
{
 public class FrmTcpClient : System.Windows.Forms.Form
 {
  private const int PORT = 7777;
  private const string HOST_HOME = "127.0.0.1";
  private System.Windows.Forms.RichTextBox richTextBox1;
  private System.Windows.Forms.TextBox txtContent;
  private System.Windows.Forms.Button btnSend;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public FrmTcpClient()
  {
   //
   // 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.btnSend = new System.Windows.Forms.Button();
   this.richTextBox1 = new System.Windows.Forms.RichTextBox();
   this.txtContent = new System.Windows.Forms.TextBox();
   this.SuspendLayout();
   //
   // btnSend
   //
   this.btnSend.Location = new System.Drawing.Point(360, 4);
   this.btnSend.Name = "btnSend";
   this.btnSend.Size = new System.Drawing.Size(136, 23);
   this.btnSend.TabIndex = 0;
   this.btnSend.Text = "发送";
   this.btnSend.Click += new System.EventHandler(this.btnSend_Click);
   //
   // richTextBox1
   //
   this.richTextBox1.Location = new System.Drawing.Point(8, 32);
   this.richTextBox1.Name = "richTextBox1";
   this.richTextBox1.Size = new System.Drawing.Size(488, 232);
   this.richTextBox1.TabIndex = 1;
   this.richTextBox1.Text = "";
   //
   // txtContent
   //
   this.txtContent.Location = new System.Drawing.Point(8, 6);
   this.txtContent.Name = "txtContent";
   this.txtContent.Size = new System.Drawing.Size(344, 21);
   this.txtContent.TabIndex = 2;
   this.txtContent.Text = "";
   //
   // FrmTcpClient
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(504, 269);
   this.Controls.Add(this.txtContent);
   this.Controls.Add(this.richTextBox1);
   this.Controls.Add(this.btnSend);
   this.Name = "FrmTcpClient";
   this.Text = "TcpClient";
   this.Load += new System.EventHandler(this.FrmTcpClient_Load);
   this.ResumeLayout(false);

  }
  #endregion

  private void FrmTcpClient_Load(object sender, System.EventArgs e)
  {
   
  }

  private void btnSend_Click(object sender, System.EventArgs e)
  {
   TcpClient client = new TcpClient(HOST_HOME,PORT);
   NetworkStream stream = client.GetStream();
   byte[] data = UTF8Encoding.UTF8.GetBytes(txtContent.Text);
   stream.Write(data,0,data.Length);
   string responseData = String.Empty;
   byte[] dataReturn = new byte[1024];
   int numberOfBytesRead = 0;
   do
   {
    numberOfBytesRead = stream.Read(dataReturn, 0, dataReturn.Length); 
    responseData = String.Concat(responseData, Encoding.ASCII.GetString(dataReturn, 0, numberOfBytesRead)); 
   }
   while(stream.DataAvailable);
   this.richTextBox1.Text += responseData+"["+DateTime.Now.ToString()+"]"+"\r\n";
   client.Close();
  }  

 }
}


FrmTcpServer:
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Text;
using System.Net;
using System.Threading;

namespace TcpClient_ZT
{
 /// <summary>
 /// FrmTcpServer 的摘要说明。
 /// </summary>
 public class FrmTcpServer : System.Windows.Forms.Form
 {
  private const string HOST_HOME = "127.0.0.1";
  private const int PORT = 7777;
  private System.Windows.Forms.RichTextBox richTextBox1;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public FrmTcpServer()
  {
   //
   // 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.richTextBox1 = new System.Windows.Forms.RichTextBox();
   this.SuspendLayout();
   //
   // richTextBox1
   //
   this.richTextBox1.Location = new System.Drawing.Point(3, 5);
   this.richTextBox1.Name = "richTextBox1";
   this.richTextBox1.Size = new System.Drawing.Size(560, 272);
   this.richTextBox1.TabIndex = 0;
   this.richTextBox1.Text = "";
   //
   // FrmTcpServer
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(568, 277);
   this.Controls.Add(this.richTextBox1);
   this.Name = "FrmTcpServer";
   this.Text = "FrmTcpServer";
   this.Load += new System.EventHandler(this.FrmTcpServer_Load);
   this.ResumeLayout(false);

  }
  #endregion

  private void FrmTcpServer_Load(object sender, System.EventArgs e)
  {
   Thread threadServer = new Thread(new ThreadStart(receiveData));
   threadServer.IsBackground = true;
   threadServer.Start();
  }

  private void receiveData()
  {
   bool done = false;
   TcpListener listener = new TcpListener(Dns.Resolve(HOST_HOME).AddressList[0],PORT);
   listener.Start();
   
   while(!done)
   {
    TcpClient client = listener.AcceptTcpClient();
    NetworkStream stream = client.GetStream();
    byte[] data = new byte[1024];
    string result = string.Empty;
    int numberOfBytesRead = 0;
    do
    {
     numberOfBytesRead = stream.Read(data, 0, data.Length); 
     result = String.Concat(result, Encoding.ASCII.GetString(data, 0, numberOfBytesRead)); 
    }
    while(stream.DataAvailable);

    this.richTextBox1.Text += result;
    byte[] bytes = UTF8Encoding.UTF8.GetBytes("Server "+Dns.Resolve(System.Environment.MachineName).AddressList[0].ToString()+" already receive data.["+result+"]");
    stream.Write(bytes,0,bytes.Length);
    client.Close();
    stream.Close();
   }
  }
 }
}