请大家详细介绍一下关于Socket传送文件的方法，给个简单完整的例子！巨分相送！

Question

如题！

Answer 1

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Threading;
using System.Text;
using System.Net.Sockets;namespace icu
{
/// <summary>
/// Form1 的摘要描述。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBoxName;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBoxPort;
private System.Windows.Forms.ListBox listBoxState;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.ListBox listBox2;
private System.Windows.Forms.GroupBox groupBox3;
private System.Windows.Forms.RichTextBox richTextBoxReceive;
private System.Windows.Forms.Button buttonStart;
private System.Windows.Forms.Button buttonStop; private Socket serverSocket,clientSocket;
private const int dataSize=1024;
private byte [] data=new byte[dataSize];
// private System.ComponentModel.Container components=null;
/// <summary>
/// 設計工具所需的變數。
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Windows Form 設計工具支援的必要項
//
InitializeComponent();
this.textBoxName.Text=Dns.GetHostName();
this.textBoxPort.Text="6788";
this.listBoxState.Items.Clear();
this.richTextBoxReceive.Text=""; //
// TODO: 在 InitializeComponent 呼叫之後加入任何建構函式程式碼
//
} /// <summary>
/// 清除任何使用中的資源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null) 
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form 設計工具產生的程式碼
/// <summary>
/// 此為設計工具支援所必須的方法 - 請勿使用程式碼編輯器修改
/// 這個方法的內容。
/// </summary>
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.textBoxName = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBoxPort = new System.Windows.Forms.TextBox();
this.listBoxState = new System.Windows.Forms.ListBox();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.listBox2 = new System.Windows.Forms.ListBox();
this.groupBox3 = new System.Windows.Forms.GroupBox();
this.richTextBoxReceive = new System.Windows.Forms.RichTextBox();
this.buttonStart = new System.Windows.Forms.Button();
this.buttonStop = new System.Windows.Forms.Button();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.groupBox3.SuspendLayout();
this.SuspendLayout();
// 
// label1
// 
this.label1.Location = new System.Drawing.Point(16, 32);
this.label1.Name = "label1";
this.label1.TabIndex = 0;
this.label1.Text = "服務器名稱:";
// 
// textBoxName
// 
this.textBoxName.Location = new System.Drawing.Point(80, 32);
this.textBoxName.Name = "textBoxName";
this.textBoxName.TabIndex = 1;
this.textBoxName.Text = "";
// 
// label2
// 
this.label2.Location = new System.Drawing.Point(16, 56);
this.label2.Name = "label2";
this.label2.TabIndex = 2;
this.label2.Text = "監聽端口:";
// 
// textBoxPort
// 
this.textBoxPort.Location = new System.Drawing.Point(80, 56);
this.textBoxPort.Name = "textBoxPort";
this.textBoxPort.TabIndex = 3;
this.textBoxPort.Text = "";
// 
// listBoxState
// 
this.listBoxState.Location = new System.Drawing.Point(16, 16);
this.listBoxState.Name = "listBoxState";
this.listBoxState.Size = new System.Drawing.Size(280, 95);
this.listBoxState.TabIndex = 4;
// 
// groupBox1
// 
this.groupBox1.Controls.Add(this.groupBox2);
this.groupBox1.Controls.Add(this.listBoxState);
this.groupBox1.Location = new System.Drawing.Point(192, 16);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(312, 120);
this.groupBox1.TabIndex = 5;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "服務器狀態";
// 
// groupBox2
// 
this.groupBox2.Controls.Add(this.listBox2);
this.groupBox2.Location = new System.Drawing.Point(8, 184);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(312, 136);
this.groupBox2.TabIndex = 6;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "服務器狀態";
// 
// listBox2
// 
this.listBox2.Location = new System.Drawing.Point(16, 16);
this.listBox2.Name = "listBox2";
this.listBox2.Size = new System.Drawing.Size(280, 108);
this.listBox2.TabIndex = 4;
// 
// groupBox3
// 
this.groupBox3.Controls.Add(this.richTextBoxReceive);
this.groupBox3.Location = new System.Drawing.Point(24, 144);
this.groupBox3.Name = "groupBox3";
this.groupBox3.Size = new System.Drawing.Size(456, 128);
this.groupBox3.TabIndex = 6;
this.groupBox3.TabStop = false;
this.groupBox3.Text = "接收信息";
// 
// richTextBoxReceive
// 
this.richTextBoxReceive.Location = new System.Drawing.Point(24, 24);
this.richTextBoxReceive.Name = "richTextBoxReceive";
this.richTextBoxReceive.Size = new System.Drawing.Size(400, 96);
this.richTextBoxReceive.TabIndex = 0;
this.richTextBoxReceive.Text = "";
// 
// buttonStart
// 
this.buttonStart.Location = new System.Drawing.Point(64, 304);
this.buttonStart.Name = "buttonStart";
this.buttonStart.TabIndex = 7;
this.buttonStart.Text = "開始監聽";
this.buttonStart.Click += new System.EventHandler(this.buttonStart_Click);
// 
// buttonStop
// 
this.buttonStop.Location = new System.Drawing.Point(304, 304);
this.buttonStop.Name = "buttonStop";
this.buttonStop.TabIndex = 8;
this.buttonStop.Text = "停止監聽";
this.buttonStop.Click += new System.EventHandler(this.buttonStop_Click);
// 
// Form1
// 
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(512, 342);
this.Controls.Add(this.buttonStop);
this.Controls.Add(this.buttonStart);
this.Controls.Add(this.groupBox3);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.textBoxPort);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBoxName);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.groupBox3.ResumeLayout(false);
this.ResumeLayout(false); }
#endregion

Answer 2

/// <summary>
/// 應用程式的主進入點。
/// </summary>
[STAThread]
static void Main() 
{
Application.Run(new Form1());
} private void Form1_Load(object sender, System.EventArgs e)
{

} private void buttonStart_Click(object sender, System.EventArgs e)
{
IPAddress myIP;
IPEndPoint iep;
try
{
IPHostEntry myHost=new IPHostEntry();
myHost=Dns.GetHostByName(this.textBoxName.Text);
myIP=IPAddress.Parse(myHost.AddressList[0].ToString());
iep=new IPEndPoint(myIP,Int32.Parse(this.textBoxPort.Text));
}
catch
{
MessageBox.Show("輸入的服務器名或端口號不正確,請重新輸入!");
return;
}
this.listBoxState.Items.Add("開始監聽.....");
this.buttonStart.Enabled=false;
serverSocket=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
serverSocket.Bind(iep);
serverSocket.Listen(10);
serverSocket.BeginAccept(new AsyncCallback(AcceptConnection),serverSocket);
}
private void AcceptConnection(IAsyncResult ar)
{
Socket oldServer=(Socket)ar.AsyncState;
clientSocket=oldServer.EndAccept(ar);
this.listBoxState.Items.Add("與客戶"+clientSocket.RemoteEndPoint.ToString()+"建立連接.");
byte[] message=System.Text.Encoding.Unicode.GetBytes("客戶,你好!");
clientSocket.BeginSend(message,0,message.Length,SocketFlags.None,new AsyncCallback(SendData),clientSocket);
}
private void SendData(IAsyncResult ar)
{
Socket client=(Socket)ar.AsyncState;
try
{
clientSocket.EndSend(ar);
client.BeginReceive(data,0,dataSize,SocketFlags.None,new AsyncCallback(ReceiveData),client);
}
catch
{
client.Close();
this.listBoxState.Items.Add("客戶已關閉連接,等待新客戶......");
serverSocket.BeginAccept(new AsyncCallback(AcceptConnection),serverSocket);
}
}
private void ReceiveData(IAsyncResult ar)
{
Socket client=(Socket)ar.AsyncState;
try
{ int receiveDataLength=client.EndReceive(ar);
string str=System.Text.Encoding.Unicode.GetString(data,0,receiveDataLength);
this.richTextBoxReceive.Text=str;
byte[] message=System.Text.Encoding.Unicode.GetBytes("服務器收到信息:"+str);
clientSocket.BeginSend(message,0,message.Length,SocketFlags.None,new AsyncCallback(SendData),clientSocket);
}
catch
{
client.Close();
this.listBoxState.Items.Add("客戶已關閉連接,等待新客戶......");
serverSocket.BeginAccept(new AsyncCallback(AcceptConnection),serverSocket);
}
} private void buttonStop_Click(object sender, System.EventArgs e)
{ try
{
serverSocket.Close();
this.listBoxState.Items.Add("停止監聽!");
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"錯誤");
}
}// private void buttonSend_Click(object sender, System.EventArgs e)
// {
// string str=this.richTextBoxSend.Rtf;
// int i=str.Length;
// if(i==0)
// {
// return ;
//
// }
// else
// {
// i*=2;
// }
// byte[] datasize=new byte[4];
// datasize=System.BitConverter.GetBytes(i);
// byte [] sendbytes=System.Text.Encoding.Unicode.GetBytes(str);
// try
// {
// NetworkStream netStream=new NetworkStream(clientSocket);
// netStream.Write(datasize,0,4);
// netStream.Write(sendbytes,0,sendbytes.Length);
// netStream.Flush();
// this.richTextBoxSend.Rtf="";
// }
// catch
// {
// MessageBox.Show("無法發送!");
// }
// }
}
}

Answer 3

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.Threading;
using System.Text;
namespace uci
{
/// <summary>
/// Form1 的摘要描述。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBoxName;
private System.Windows.Forms.TextBox textBoxPort;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.ListBox listBoxState;
private System.Windows.Forms.RichTextBox richTextBoxReceive;
private System.Windows.Forms.RichTextBox richTextBoxSend;
private System.Windows.Forms.Button buttonRequest;
private System.Windows.Forms.Button buttonSend;
private System.Windows.Forms.Button buttonStop; private Socket clientSocket;
private const int dataSize=1024;
private byte[] data=new byte[dataSize]; /// <summary>
/// 設計工具所需的變數。
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Windows Form 設計工具支援的必要項
//
InitializeComponent();
this.textBoxName.Text=Dns.GetHostName();
this.textBoxPort.Text="6788";
this.listBoxState.Items.Clear();
this.richTextBoxReceive.Text="";
this.richTextBoxSend.Text="";
//
// TODO: 在 InitializeComponent 呼叫之後加入任何建構函式程式碼
//
} /// <summary>
/// 清除任何使用中的資源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null) 
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form 設計工具產生的程式碼
/// <summary>
/// 此為設計工具支援所必須的方法 - 請勿使用程式碼編輯器修改
/// 這個方法的內容。
/// </summary>
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.textBoxName = new System.Windows.Forms.TextBox();
this.textBoxPort = new System.Windows.Forms.TextBox();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.listBoxState = new System.Windows.Forms.ListBox();
this.richTextBoxReceive = new System.Windows.Forms.RichTextBox();
this.richTextBoxSend = new System.Windows.Forms.RichTextBox();
this.buttonRequest = new System.Windows.Forms.Button();
this.buttonSend = new System.Windows.Forms.Button();
this.buttonStop = new System.Windows.Forms.Button();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
// 
// label1
// 
this.label1.Location = new System.Drawing.Point(8, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 23);
this.label1.TabIndex = 0;
this.label1.Text = "服務器名稱:";
// 
// label2
// 
this.label2.Location = new System.Drawing.Point(8, 56);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(80, 23);
this.label2.TabIndex = 1;
this.label2.Text = "請求端口";
// 
// label3
// 
this.label3.Location = new System.Drawing.Point(8, 176);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(72, 23);
this.label3.TabIndex = 2;
this.label3.Text = "接收信息";
// 
// label4
// 
this.label4.Location = new System.Drawing.Point(8, 280);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(64, 23);
this.label4.TabIndex = 3;
this.label4.Text = "發送信息";
// 
// textBoxName
// 
this.textBoxName.Location = new System.Drawing.Point(96, 24);
this.textBoxName.Name = "textBoxName";
this.textBoxName.TabIndex = 4;
this.textBoxName.Text = "";
// 
// textBoxPort
// 
this.textBoxPort.Location = new System.Drawing.Point(96, 56);
this.textBoxPort.Name = "textBoxPort";
this.textBoxPort.TabIndex = 5;
this.textBoxPort.Text = "";
// 
// groupBox1
// 
this.groupBox1.Controls.Add(this.listBoxState);
this.groupBox1.Location = new System.Drawing.Point(232, 24);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(304, 120);
this.groupBox1.TabIndex = 6;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "程序狀態";
// 
// listBoxState
// 
this.listBoxState.Location = new System.Drawing.Point(16, 16);
this.listBoxState.Name = "listBoxState";
this.listBoxState.Size = new System.Drawing.Size(280, 95);
this.listBoxState.TabIndex = 7;
// 
// richTextBoxReceive
// 
this.richTextBoxReceive.Location = new System.Drawing.Point(120, 168);
this.richTextBoxReceive.Name = "richTextBoxReceive";
this.richTextBoxReceive.Size = new System.Drawing.Size(416, 96);
this.richTextBoxReceive.TabIndex = 7;
this.richTextBoxReceive.Text = "";
// 
// richTextBoxSend
// 
this.richTextBoxSend.Location = new System.Drawing.Point(120, 280);
this.richTextBoxSend.Name = "richTextBoxSend";
this.richTextBoxSend.Size = new System.Drawing.Size(416, 96);
this.richTextBoxSend.TabIndex = 8;
this.richTextBoxSend.Text = "";
// 
// buttonRequest
// 
this.buttonRequest.Location = new System.Drawing.Point(136, 400);
this.buttonRequest.Name = "buttonRequest";
this.buttonRequest.TabIndex = 9;
this.buttonRequest.Text = "請求連接";
this.buttonRequest.Click += new System.EventHandler(this.buttonRequest_Click);
// 
// buttonSend
// 
this.buttonSend.Location = new System.Drawing.Point(288, 400);
this.buttonSend.Name = "buttonSend";
this.buttonSend.TabIndex = 10;
this.buttonSend.Text = "發送消息";
this.buttonSend.Click += new System.EventHandler(this.buttonSend_Click);
// 
// buttonStop
// 
this.buttonStop.Location = new System.Drawing.Point(448, 400);
this.buttonStop.Name = "buttonStop";
this.buttonStop.TabIndex = 11;
this.buttonStop.Text = "關閉連接";
this.buttonStop.Click += new System.EventHandler(this.buttonStop_Click);
// 
// Form1
// 
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(584, 438);
this.Controls.Add(this.buttonStop);
this.Controls.Add(this.buttonSend);
this.Controls.Add(this.buttonRequest);
this.Controls.Add(this.richTextBoxSend);
this.Controls.Add(this.richTextBoxReceive);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.textBoxPort);
this.Controls.Add(this.textBoxName);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.groupBox1.ResumeLayout(false);
this.ResumeLayout(false); }
#endregion

Answer 4

http://www.baidu.com/s?ie=gb2312&bs=Socket%B4%AB%CB%CD%CE%C4%BC%FE+%C0%FD%D7%D3+%B4%FA%C2%EB+C%23&sr=&z=&wd=Socket+%CE%C4%BC%FE+%C0%FD%D7%D3+%B4%FA%C2%EB+C%23&ct=0&cl=3&f=8

Answer 5

[STAThread]
static void Main() 
{
Application.Run(new Form1());
} private void Form1_Load(object sender, System.EventArgs e)
{

} private void buttonRequest_Click(object sender, System.EventArgs e)
{
IPAddress myIP;
IPEndPoint iep;
try
{
IPHostEntry myHost=new IPHostEntry();
myHost=Dns.GetHostByName(this.textBoxName.Text);
myIP=IPAddress.Parse(myHost.AddressList[0].ToString());
iep=new IPEndPoint(myIP,Int32.Parse(this.textBoxPort.Text));
}
catch
{
MessageBox.Show("輸入的服務器名稱或端口號不正確,請重新輸入!");
return;
}
Socket socket=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
socket.BeginConnect(iep,new AsyncCallback(ConnectServer),socket);
}
private void ConnectServer(IAsyncResult ar)
{
clientSocket=(Socket)ar.AsyncState;
try
{ clientSocket.EndConnect(ar);
this.listBoxState.Items.Add("與服務器"+clientSocket.RemoteEndPoint.ToString()+"連接成功!");
clientSocket.BeginReceive(data,0,dataSize,SocketFlags.None,new AsyncCallback(ReceiveData),clientSocket);
}
catch
{
MessageBox.Show("與服務器連接失敗!");
}
}
private void ReceiveData(IAsyncResult ar)
{
try
{
Socket server=(Socket)ar.AsyncState;
int receiveDataLength=server.EndReceive(ar);
string str=System.Text.Encoding.Unicode.GetString(data,0,receiveDataLength);
this.richTextBoxReceive.Text=str;
}
catch
{}
} private void buttonSend_Click(object sender, System.EventArgs e)
{
try
{
byte[] message=System.Text.Encoding.Unicode.GetBytes(this.richTextBoxSend.Text);
this.richTextBoxSend.Clear();
clientSocket.BeginSend(message,0,message.Length,SocketFlags.None,new AsyncCallback(SendData),clientSocket); }
catch
{
MessageBox.Show("尚未與服務器建立連接,發送失敗!");
}
}
private void SendData(IAsyncResult ar)
{
Socket socket=(Socket)ar.AsyncState;
int send=socket.EndSend(ar);
socket.BeginReceive(data,0,dataSize,SocketFlags.None,new AsyncCallback(ReceiveData),socket); } private void buttonStop_Click(object sender, System.EventArgs e)
{
try
{
clientSocket.Close();
this.listBoxState.Items.Add("與服務器斷開連接!"); }
catch
{
MessageBox.Show("尚未開始,斷開無效!");
}
}


}
}