.NET2.0实现FTP上传，下载文件(支持中文名)之三_Web开发_学习笔记★闵涛★计算机学习电脑编程软硬件技巧


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.NET2.0实现FTP上传，下载文件(支持中文名)之三

作者：闵涛文章来源：闵涛的学习笔记点击数：1189 更新时间：2009/6/9 2:35:05

#region 上传和下载
  /// <summary>
  /// 下载一批文件
  /// </summary>
  /// <param name="strFileNameMask">文件名的匹配字符串</param>
  /// <param name="strFolder">本地目录(不得以\结束)</param>
  public void Get(string strFileNameMask,string strFolder)
  {
   if(!bConnected)
   {
    Connect();
   }
   string[] strFiles = Dir(strFileNameMask);
   foreach(string strFile in strFiles)
   {
    if(!strFile.Equals(""))//一般来说strFiles的最后一个元素可能是空字符串
    {
     Get(strFile,strFolder,strFile);
    }
   }
  }

  /// <summary>
  /// 下载一个文件
  /// </summary>
  /// <param name="strRemoteFileName">要下载的文件名</param>
  /// <param name="strFolder">本地目录(不得以\结束)</param>
  /// <param name="strLocalFileName">保存在本地时的文件名</param>
  public void Get(string strRemoteFileName,string strFolder,string strLocalFileName)
  {
   if(!bConnected)
   {
    Connect();
   }
   SetTransferType(TransferType.Binary);
   if (strLocalFileName.Equals(""))
   {
    strLocalFileName = strRemoteFileName;
   }
   if(!File.Exists(strLocalFileName))
   {
    Stream st = File.Create(strLocalFileName);
    st.Close();
   }
   FileStream output = new
    FileStream(strFolder + "\\" + strLocalFileName,FileMode.Create);
   Socket socketData = CreateDataSocket();
   SendCommand("RETR " + strRemoteFileName);
   if(!(iReplyCode == 150 || iReplyCode == 125
    || iReplyCode == 226 || iReplyCode == 250))
   {
    throw new IOException(strReply.Substring(4));
   }
   while(true)
   {
    int iBytes = socketData.Receive(buffer, buffer.Length, 0);
    output.Write(buffer,0,iBytes);
    if(iBytes <= 0)
    {
     break;
    }
   }
   output.Close();
   if (socketData.Connected)
   {
    socketData.Close();
   }
   if(!(iReplyCode == 226 || iReplyCode == 250))
   {
    ReadReply();
    if(!(iReplyCode == 226 || iReplyCode == 250))
    {
     throw new IOException(strReply.Substring(4));
    }
   }
  }

  /// <summary>
  /// 上传一批文件
  /// </summary>
  /// <param name="strFolder">本地目录(不得以\结束)</param>
  /// <param name="strFileNameMask">文件名匹配字符(可以包含*和?)</param>
  public void Put(string strFolder,string strFileNameMask)
  {
   string[] strFiles = Directory.GetFiles(strFolder,strFileNameMask);
   foreach(string strFile in strFiles)
   {
    //strFile是完整的文件名(包含路径)
    Put(strFile);
   }
  }

  /// <summary>
  /// 上传一个文件
  /// </summary>
  /// <param name="strFileName">本地文件名</param>
  public void Put(string strFileName)
  {
   if(!bConnected)
   {
    Connect();
   }
   Socket socketData = CreateDataSocket();
   SendCommand("STOR "+Path.GetFileName(strFileName));
   if( !(iReplyCode == 125 || iReplyCode == 150) )
   {
    throw new IOException(strReply.Substring(4));
   }
   FileStream input = new
    FileStream(strFileName,FileMode.Open);
   int iBytes = 0;
   while ((iBytes = input.Read(buffer,0,buffer.Length)) > 0)
   {
    socketData.Send(buffer, iBytes, 0);
   }
   input.Close();
   if (socketData.Connected)
   {
    socketData.Close();
   }
   if(!(iReplyCode == 226 || iReplyCode == 250))
   {
    ReadReply();
    if(!(iReplyCode == 226 || iReplyCode == 250))
    {
     throw new IOException(strReply.Substring(4));
    }
   }
  }