用Remoting 實作一個檔案傳輸元件

為了傳送檔案，用remoting 實作很簡單容易，有工程源碼和示範程式下載下傳，是從我寫的一個網絡庫的一個子子產品；有注解，不加以文字說明了。

/**//*

作者：S.F.

blog:www.cnblogs.com/chinasf

*/

using System;

using System.ComponentModel;

using System.Runtime.Remoting;

using System.Runtime.Remoting.Channels;

using System.Runtime.Remoting.Channels.Tcp;

using System.IO;

using System.Text;

using System.Net;

namespace SocketLibrary

{

/**//// <summary>

/// NetFileTransfer 的摘要說明。

/// 用Remoting 實作檔案傳輸管理

/// </summary>

public class NetFileTransfer: MarshalByRefObject

public NetFileTransfer() : base()

}

/// 擷取檔案的數組

/// <param name="filePath">檔案路徑</param>

/// <returns>數組（預設null）</returns>

public byte[] GetFileBytes(string filePath)

if(File.Exists(filePath))

try

FileStream fs =new FileStream(filePath,FileMode.Open,FileAccess.Read,FileShare.Read);

byte[] buffer = new byte[fs.Length];

fs.Read(buffer,0,buffer.Length);

fs.Close();

return buffer;

}catch

return null;

}else

/// 發送資料

/// <param name="savePath">儲存路徑</param>

/// <returns>狀态</returns>

public bool SendFileBytes(byte[] fileBytes,string savePath)

if(fileBytes==null)return false;

FileStream fs = new FileStream(savePath,FileMode.OpenOrCreate,FileAccess.Write,FileShare.Write);

fs.Write(fileBytes,0,fileBytes.Length);

return true;

return false;

public class NetFileTransferServer : Component

private TcpChannel chan =null;

private int _Port = 8085;

private string _RegisterMethod = "FileService";

private bool _Active =false;

/// 構造

public NetFileTransferServer() : base()

/// 綁定端口

public int Port

get

return this._Port;

set

this._Port = value;

/// 綁定注冊方法名

public string RegisterMethod

return this._RegisterMethod;

this._RegisterMethod = value;

/// 擷取激活狀态

public bool Active

return this._Active;

/// 啟動服務

public void Start()

chan = new TcpChannel(this._Port);

ChannelServices.RegisterChannel(chan);

RemotingConfiguration.RegisterWellKnownServiceType(typeof(NetFileTransfer),this._RegisterMethod,WellKnownObjectMode.SingleCall);

this._Active = true;

}catch(Exception e)

Console.WriteLine(e.Message);

this._Active = false;

/// 停止服務

public void Stop()

if(chan!=null)

ChannelServices.UnregisterChannel(chan);

/// 擷取注冊的方法協定全稱

/// <param name="IpAddressIndex">IP位址索引号（支援多IP）</param>

/// <returns>協定全稱</returns>

public string NoticeRegisterMethodName(int IpAddressIndex)

//tcp://localhost:8085/FileService

IPHostEntry heserver = Dns.Resolve("localhost");

IPAddress currAddr = heserver.AddressList[IpAddressIndex];

return String.Format("tcp://{0}:{1}/{2}",currAddr.ToString(),this._Port.ToString(),this._RegisterMethod);

return e.Message;

public class NetFileTransferClient : Component

private NetFileTransfer nft = null;

private string _NoticeRegisterMethodName = "tcp://localhost:8085/FileService";

public NetFileTransferClient() : base()

public string NoticeRegisterMethodName

return this._NoticeRegisterMethodName;

this._NoticeRegisterMethodName = value;

/// 連接配接器

public NetFileTransfer NetFileTransferObject

return this.nft;

/// 連接配接到伺服器

public bool Connect()

nft = (NetFileTransfer)Activator.GetObject(typeof(SocketLibrary.NetFileTransfer),_NoticeRegisterMethodName);

if(nft!=null && nft.ToString().Length>1)

this._Active =false;

/// 停止連接配接

public void Disconnection()

nft = null;

_Active =false;

/// 擷取檔案

/// <param name="RemoteFilePath">檔案路徑</param>

/// <returns>檔案數組</returns>

public byte[] GetFileBytes(string RemoteFilePath)

if(!_Active)return null;

return nft.GetFileBytes(RemoteFilePath);

/// 擷取檔案，并儲存

/// <param name="RemoteFilePath">遠端檔案路徑</param>

/// <param name="LocalSavePath">本地儲存路徑</param>

public bool GetFile(string RemoteFilePath,string LocalSavePath)

if(!_Active)return true;

byte[] filebytes = nft.GetFileBytes(RemoteFilePath);

if(filebytes!=null)

FileStream fs = new FileStream(LocalSavePath,FileMode.CreateNew,FileAccess.Write,FileShare.Write);

fs.Write(filebytes,0,filebytes.Length);

/// 發送檔案

/// <param name="fileBytes">檔案數組</param>

/// <param name="RemoteSavePath">儲存路徑</param>

/// <returns>儲存狀态</returns>

public bool SendFileBytes(byte[] fileBytes,string RemoteSavePath)

if(!_Active)return false;

return nft.SendFileBytes(fileBytes,RemoteSavePath);

/// 發送檔案，并儲存到主機

/// <param name="LocalFilePath">本地檔案</param>

/// <param name="RemoteSavePath">遠端儲存路徑</param>

/// <returns>是否成功</returns>

public bool SendFile(string LocalFilePath,string RemoteSavePath)

if(!File.Exists(LocalFilePath))return false;

FileStream fs = new FileStream(LocalFilePath,FileMode.Open,FileAccess.Read,FileShare.Read);

return nft.SendFileBytes(buffer,RemoteSavePath);

本文轉自suifei部落格園部落格，原文連結：http://www.cnblogs.com/Chinasf/archive/2005/04/30/148284.html，如需轉載請自行聯系原作者