客户端部门，一个选择文件的按钮
一个提示lable
一个时钟控件：
代码部门如下，
using System;
using System.Collections.Generic;
using
System.ComponentModel;
using System.Data;
using System.Drawing;
using
System.Text;
using System.Windows.Forms;
using System.Net;
using
System.Net.Sockets;
using System.IO;
//That code is written by Suman Biswas, Calcutta, India (Email: sumanbiswas@aol.in,Website:
sumanbiswas.xm.com).
//That code is running to transfer small file to client
to server. by using and after doing modification any one
//can able to make
a large file transfer application in C#.Net. This is Client code.
namespace
FTClientCode
{
public partial class Form1 :
Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object
sender, EventArgs e)
{
FileDialog fDg = new
OpenFileDialog();
if (fDg.ShowDialog() ==
DialogResult.OK)
{
FTClientCode.SendFile(fDg.FileName);
}
}
private void timer1_Tick(object
sender, EventArgs e)
{
label3.Text = FTClientCode.curMsg;
}
}
//FILE TRANSFER USING C#.NET SOCKET -
CLIENT
class FTClientCode
{
public static string curMsg =
"Idle";
public static void
SendFile(string fileName)
{
try
{
IPAddress[] ipAddress =
Dns.GetHostAddresses("localhost");
IPEndPoint ipEnd = new IPEndPoint(ipAddress[0],
5656);
Socket clientSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.IP);
string filePath = "";
fileName = fileName.Replace("\\",
"/");
while (fileName.IndexOf("/") >
-1)
{
filePath += fileName.Substring(0, fileName.IndexOf("/") +
1);
fileName = fileName.Substring(fileName.IndexOf("/") +
1);
}
//byte[] fileNameByte =
Encoding.ASCII.GetBytes(fileName);
byte[] fileNameByte =
Encoding.GetEncoding("GB2312").GetBytes(fileName);
if (fileNameByte.Length > 850 *
1024)
{
curMsg = "File size is more than 850kb, please try with small
file.";
return;
}
curMsg = "Buffering
...";
byte[] fileData = File.ReadAllBytes(filePath +
fileName);
byte[] clientData = new byte[4 + fileNameByte.Length +
fileData.Length];
byte[] fileNameLen = BitConverter.GetBytes(fileNameByte.Length);
fileNameLen.CopyTo(clientData,
0);
fileNameByte.CopyTo(clientData,
4);
fileData.CopyTo(clientData, 4 + fileNameByte.Length);
curMsg = "Connection to server
...";
clientSock.Connect(ipEnd);//建立与远程主机的连接
curMsg = "File
sending...";
clientSock.Send(clientData);
curMsg =
"Disconnecting...";
clientSock.Close();
curMsg = "File
transferred.";
}
catch
(Exception
ex)
{
if(ex.Message=="No connection could be made because the target machine actively
refused
it")
curMsg="File Sending fail. Because server not running."
;
else
curMsg = "File Sending fail." +
ex.Message;
}
}
}
}
服务器端：
一个选择存放接收到文件的路径按钮，
一个开始接收文件的按钮
一个时钟
一个backgroundWorker1控件
解决了传输文件不能是汉语的问题。
using System;
using System.Collections.Generic;
using
System.ComponentModel;
using System.Data;
using System.Drawing;
using
System.Text;
using System.Windows.Forms;
using System.Net;
using
System.Net.Sockets;
using System.IO;
//That code is written by Suman Biswas, Calcutta, India (Email: sumanbiswas@aol.in,Website:
sumanbiswas.xm.com).
//That code is running to transfer small file to client
to server. by using and after doing modification any one
//can able to make
a large file transfer application in C#.Net. This is Server code.
namespace FTServerCode
{
public partial class Form1
: Form
{
public Form1()
{
InitializeComponent();
FTServerCode.receivedPath = "";
}
private void button1_Click(object
sender, EventArgs e)
{
if
(FTServerCode.receivedPath.Length >
0)
backgroundWorker1.RunWorkerAsync();//开始执行后台操作
else
MessageBox.Show("Please select file receiving
path");
}
private void timer1_Tick(object
sender, EventArgs e)
{
label5.Text =
FTServerCode.receivedPath;
label3.Text = FTServerCode.curMsg;
}
FTServerCode obj = new
FTServerCode();
private void
backgroundWorker1_DoWork(object sender, DoWorkEventArgs
e)
{
obj.StartServer();
}
private void button2_Click(object
sender, EventArgs e)
{
FolderBrowserDialog fd = new
FolderBrowserDialog();
if (fd.ShowDialog() ==
DialogResult.OK)
{
FTServerCode.receivedPath =
fd.SelectedPath;
}
}
}
//FILE TRANSFER USING C#.NET SOCKET -
SERVER
class FTServerCode
{
IPEndPoint
ipEnd;
Socket
sock;
public
FTServerCode()
{
ipEnd = new
IPEndPoint(IPAddress.Any, 5656);//提供一个IP
地址，指示服务器应监听网络接口上的客户端活动
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.IP);
sock.Bind(ipEnd);//sock与本地的一个终结点相关联
}
public static string
receivedPath;
public static string
curMsg = "Stopped";
public
void StartServer()
{
try
{
curMsg =
"Starting...";
sock.Listen(100);
curMsg = "Running and waiting to receive
file.";
Socket clientSock = sock.Accept();
byte[] clientData = new byte[1024 *
5000];
int receivedBytesLen =
clientSock.Receive(clientData);
curMsg = "Receiving data...";
int fileNameLen = BitConverter.ToInt32(clientData,
0);//返回字节数组中指定位置的四个字节转化成32位有符号整数
//string fileName = Encoding.ASCII.GetString(clientData, 4,
fileNameLen);//
string fileName = Encoding.GetEncoding("GB2312").GetString(clientData, 4,
fileNameLen);
BinaryWriter bWrite = new BinaryWriter(File.Open(receivedPath +"/"+ fileName,
FileMode.Append));
;
bWrite.Write(clientData, 4 + fileNameLen, receivedBytesLen - 4 -
fileNameLen);
curMsg = "Saving file...";
bWrite.Close();
clientSock.Close();
curMsg = "Reeived & Saved file; Server
Stopped.";
}
catch
(Exception
ex)
{
curMsg = "File Receving
error.";
}
}
}
}
客户机给服务器发送文件，通过SOCKE通信,布布扣,bubuko.com
原文：http://www.cnblogs.com/liujicai/p/3584469.html