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FTP断点续传

發布時間：2025/7/14 编程问答 22 豆豆

生活随笔收集整理的這篇文章主要介紹了 FTP断点续传小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

一個類...??? 包括應用方法...

/*
?*
?* 功能說明:客戶端FTP的操作類
?*
?* FTP Command:
?*
?* 1.用戶名...................(USER)
?* 2.口令.....................(PASS)
?* 3.認證.....................(ACCT)
?* 4.改變工作目錄.............(CWD)
?* 5.回到上一層目錄...........(CDUP)
?* 6.結構加載.................(SMNT)
?* 7.重新登錄.................(REIN)
?* 8.退出登錄.................(QUIT)
?* 9.數據端口.................(PORT)
?* 10.被動....................(PASV)
?* 11.類型....................(TYPE)
?* 12.文件結構................(STRU)
?* 13.傳輸模式................(MODE)
?* 14.獲得文件................(RETR)
?* 15.上傳文件................(STOR)
?* 16.唯一保存................(STOU)
?* 17.附加....................(APPE)
?* 18.分配....................(ALLO)
?* 19.重新開始................(REST)
?* 20.重命名..................(RNFR)
?* 21.重命名為................(RNTO)
?* 22.放棄....................(ABOR)
?* 23.刪除....................(DELE)
?* 24.刪除目錄................(RMD)
?* 25.創建目錄................(MKD)
?* 26.打印工作目錄............(PWD)
?* 27.列目錄..................(LIST)
?* 28.站點參數................(SITE)
?* 29.系統....................(SYST)
?* 30.狀態....................(STAT)
?* 31.幫助....................(HELP)
?* 32.等待....................(NOOP)
?* */

using System;
using System.Net;
using System.IO;
using System.Text;
using System.Collections;
using System.Net.Sockets;

?/// <summary>
?/// FtpUtil 的摘要說明。
?/// </summary>
?public class FtpUtil
?{
??private Int32??_RemotePort;
??private String??_RemoteHost;
??private String??_RemoteAccounts;
??private String??_RemotePassword;
??private Boolean??_Logined;
??private String??_RemotePath;

??private Socket??mClientSocket;
??private String??mRemoteMessage;
??private Int32??mBytes;
??private Byte[]??mBuffer;
??private Encoding?ASCII;

??private String??mReply;
??private Int32??mRetValue;

??/// <summary>
??/// 設置緩沖塊的大小
??/// </summary>
??private static Int32 BLOCK_SIZE = 512;

??public FtpUtil()
??{
???_RemotePort???= 21;
???_RemoteAccounts??= "Anonymous";
???_RemotePassword??= "mack_zhu@hotmail.com";
???_RemotePath???= ".";
???_Logined???= false;

???ASCII????= Encoding.GetEncoding("gb2312");
???mReply????= String.Empty;
???mBuffer????= new Byte[BLOCK_SIZE];
???mRemoteMessage??= String.Empty;
??}

??/// <summary>
??/// 目前狀態是否登錄成功了
??/// </summary>
??public Boolean Logined
??{
???get
???{
????return _Logined;
???}
???set
???{
????_Logined = value;
???}
??}

??/// <summary>
??/// 路徑
??/// </summary>
??public String RemotePath
??{
???get
???{
????return _RemotePath;
???}
???set
???{
????_RemotePath = value;
???}
??}

??/// <summary>
??/// 地址
??/// </summary>
??public String RemoteHost
??{
???get
???{
????return _RemoteHost;
???}
???set
???{
????_RemoteHost = value;
???}
??}

??/// <summary>
??/// 端口
??/// </summary>
??public Int32 RemotePort
??{
???get
???{
????return _RemotePort;
???}
???set
???{
????_RemotePort = value;
???}
??}

??/// <summary>
??/// 帳號
??/// </summary>
??public String RemoteAccounts
??{
???get
???{
????return _RemoteAccounts;
???}
???set
???{
????_RemoteAccounts = value;
???}
??}

??/// <summary>
??/// 密碼
??/// </summary>
??public String RemotePassword
??{
???get
???{
????return _RemotePassword;
???}
???set
???{
????_RemotePassword = value;
???}
??}

??/// <summary>
??/// 登錄指定的地址
??/// </summary>
??public void Login()
??{
???mClientSocket??= new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
???IPEndPoint mEPoint?= new IPEndPoint(Dns.Resolve(this.RemoteHost).AddressList[0], this.RemotePort);
???try
???{
????mClientSocket.Connect(mEPoint);
???}
???catch(Exception)
???{
????throw new IOException("無法聯接到指定的IP地址");
???}

???ReadReply();

???if(mRetValue != 220)
???{
????Close();
????throw new IOException(mReply.Substring(4));
???}

???SendCommand("USER "+this.RemoteAccounts);

???if(!(mRetValue == 331 || mRetValue == 230))
???{
????Cleanup();
????throw new IOException(mReply.Substring(4));
???}

???if(mRetValue != 230)
???{
????SendCommand("PASS "+this.RemotePassword);
????if(!(mRetValue == 230 || mRetValue == 202))
????{
?????Cleanup();
?????throw new IOException(mReply.Substring(4));
????}
???}

???Logined = true;

???Chdir(RemotePath);
??}

??/// <summary>
??/// 獲取目錄下的所有文件名
??/// </summary>
??/// <param name="iMask">文件格式，例如 *.* , *.txt , mack.*</param>
??/// <returns></returns>
??public ArrayList GetFileList(string iMask)
??{
???if(!Logined)
???{
????Login();
???}

???Socket iSocket = CreateDataSocket();

???SendCommand("NLST " + iMask);

???if(!(mRetValue == 150 || mRetValue == 125))
???{
????throw new IOException(mReply.Substring(4));
???}

???mRemoteMessage = String.Empty;
???

???while(true)
???{
????Int32 iBytes = iSocket.Receive(mBuffer, mBuffer.Length, 0);
????mRemoteMessage += ASCII.GetString(mBuffer, 0, iBytes);

????if(iBytes < mBuffer.Length)
????{
?????break;
????}
???}

???Char[] iSeperator = {'\n'};

???ArrayList FileNameList = new ArrayList();

???foreach(String iFileName in mRemoteMessage.Split(iSeperator))
???{
????if(iFileName.Trim() != "")
????{
??????????????????? FileNameList.Add(ChangeUTP8(iFileName));
????}
???}

???iSocket.Close();

???ReadReply();

???if(mRetValue != 226)
???{

????throw new IOException(mReply.Substring(4));
???}

???return FileNameList;
??}

??/// <summary>
??/// 獲取服務器端的文件大小
??/// </summary>
??/// <param name="iFileName"></param>
??/// <returns></returns>
??public long GetFileSize(String iFileName)
??{
?
???if(!Logined)
???{
????Login();
???}
?
???SendCommand("SIZE " + iFileName);

???long iSize=0;
?
???if(mRetValue == 213)
???{
????iSize = Int64.Parse(mReply.Substring(4));
???}
???else
???{
????throw new IOException(mReply.Substring(4));
???}
?
???return iSize;
??}

??/// <summary>
??/// 設置是否需要二進值傳輸模式
??/// </summary>
??/// <param name="iMode"></param>
??public void SetBinaryMode(Boolean iMode)
??{
?
???if(iMode)
???{
????SendCommand("TYPE I");
???}
???else
???{
????SendCommand("TYPE A");
???}
???if (mRetValue != 200)
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 下載服務器端的文件
??/// </summary>
??/// <param name="iRemoteFileName">服務端的文件名</param>
??/// <param name="iLocationFileName">保存在本地的文件名</param>
??public void Download(String iRemoteFileName,String iLocationFileName)
??{
???Download(iRemoteFileName,iLocationFileName,false);
??}

??/// <summary>
??/// 下載服務器端的文件
??/// </summary>
??/// <param name="iRemoteFileName">服務端的文件名</param>
??/// <param name="iLocationFileName">保存在本地的文件名</param>
??/// <param name="iResume">是否需要斷點續傳</param>
??public void Download(String iRemoteFileName,String iLocationFileName,Boolean iResume)
??{
???if(!Logined)
???{
????Login();
???}

???SetBinaryMode(true);

???/* Download File RemoteFileName From RemoteHost/RemotePath */
?
???if (iLocationFileName.Trim() == String.Empty)
???{
????iLocationFileName = iRemoteFileName;
???}

???if(!File.Exists(iLocationFileName))
???{
????Stream iSt = File.Create(iLocationFileName);
????iSt.Close();
???}

???FileStream iOutPut = new FileStream(iLocationFileName,FileMode.Open);
???Socket iSocket = CreateDataSocket();
???long iOffset = 0;
?
???if(iResume)
???{
????iOffset = iOutPut.Length;
?
????if(iOffset > 0 )
????{
?????SendCommand("REST "+iOffset);
?????if(mRetValue != 350)
?????{
??????//throw new IOException(reply.Substring(4));
??????//有些FTP服務器端可能不支持斷點續傳的功能，從0位置開始傳輸
??????iOffset = 0;
?????}
????}
?
????if(iOffset > 0)
????{
?????//如果支持斷點續傳的就從新設置流的起始值
?????long iNPos = iOutPut.Seek(iOffset,SeekOrigin.Begin);
?????/*Console.WriteLine("new pos="+npos);*/
????}
???}
???SendCommand("RETR " + iRemoteFileName);
???if(!(mRetValue == 150 || mRetValue == 125))
???{
????throw new IOException(mReply.Substring(4));
???}

???while(true)
???{
????mBytes = iSocket.Receive(mBuffer, mBuffer.Length, 0);
????iOutPut.Write(mBuffer,0,mBytes);
?
????if(mBytes <= 0)
????{
?????break;
????}
???}

???iOutPut.Close();

???if (iSocket.Connected)
???{
????iSocket.Close();
???}

???ReadReply();

???if(!(mRetValue == 226 || mRetValue == 250))
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 將文件上傳到服務端器
??/// </summary>
??/// <param name="iFileName">本地的文件名</param>
??public void Upload(String iFileName)
??{
???Upload(iFileName,false);
??}

??/// <summary>
??/// 將文件上傳到服務端器
??/// </summary>
??/// <param name="iFileName">本地的文件名</param>
??/// <param name="iResume">是否需要斷點續傳</param>
??public void Upload(String iFileName,Boolean iResume)
??{
???if(!Logined)
???{
????Login();
???}
?
???Socket iSocket = CreateDataSocket();

???long iOffset=0;
?
???if(iResume)
???{
????try
????{
?????SetBinaryMode(true);
?????iOffset = GetFileSize(iFileName);
?
????}
????catch(Exception)
????{
?????iOffset = 0;
????}
???}
?
???if(iOffset > 0 )
???{
????SendCommand("REST " + iOffset);

????if(mRetValue != 350)
????{
?????//throw new IOException(reply.Substring(4));
?????//有些服務器端是不支持斷點續傳的

?????iOffset = 0;
????}
???}
?
???SendCommand("STOR "+Path.GetFileName(iFileName));
?
???if(!(mRetValue == 125 || mRetValue == 150))
???{
????throw new IOException(mReply.Substring(4));
???}
?
???FileStream iInput = new FileStream(iFileName,FileMode.Open);
?
???if(iOffset != 0)
???{
????iInput.Seek(iOffset,SeekOrigin.Begin);
???}
?
???while((mBytes = iInput.Read(mBuffer,0,mBuffer.Length)) > 0)
???{
????iSocket.Send(mBuffer, mBytes, 0);
???}

???iInput.Close();
?
???if (iSocket.Connected)
???{
????iSocket.Close();
???}
?
???ReadReply();

???if(!(mRetValue == 226 || mRetValue == 250))
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 刪除服務器端的文件名
??/// </summary>
??/// <param name="iFileName">文件名</param>
??public void DeleteRemoteFile(String iFileName)
??{
???if(!Logined)
???{
????Login();
???}
?
???SendCommand("DELE "+iFileName);
?
???if(mRetValue != 250)
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 對服務器端的文件重命名
??/// </summary>
??/// <param name="iOldFileName">現在的文件名</param>
??/// <param name="iNewFileName">新的文件名</param>
??public void RenameRemoteFile(String iOldFileName,String iNewFileName)
??{
???if(!Logined)
???{
????Login();
???}
?
???SendCommand("RNFR "+iOldFileName);
?
???if(mRetValue != 350)
???{
????throw new IOException(mReply.Substring(4));
???}
?
???//提示:FTP服務器端的命令RNTO不會提示你新的文件名是否已重復，它將直接復蓋原來那個相同的文件

???SendCommand("RNTO "+iNewFileName);

???if(mRetValue != 250)
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 創建一個服務器端的目錄
??/// </summary>
??/// <param name="iDirName">目錄名</param>
??public void MakeDir(String iDirName)
??{
???if(!Logined)
???{
????Login();
???}
?
???SendCommand("MKD "+iDirName);
?
???if(mRetValue != 250)
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 移除服務器端的目錄
??/// </summary>
??/// <param name="iDirName">目錄名</param>
??public void RemoveDir(String iDirName)
??{
???if(!Logined)
???{
????Login();
???}
?
???SendCommand("RMD "+iDirName);
?
???if(mRetValue != 250)
???{
????throw new IOException(mReply.Substring(4));
???}
??}

??/// <summary>
??/// 創建連接接口
??/// </summary>
??/// <returns></returns>
??private Socket CreateDataSocket()
??{
???SendCommand("PASV");

???if(mRetValue != 227)
???{
????throw new IOException(mReply.Substring(4));
???}

???Int32 index1??= mReply.IndexOf('(');
???Int32 index2??= mReply.IndexOf(')');
???String iPData??= mReply.Substring(index1+1,index2-index1-1);
???Int32[] iParts??= new Int32[6];
???Int32 iLen???= iPData.Length;
???String iBuf???= String.Empty;
???Int32 iPartCount?= 0;

???for (int i = 0; i < iLen && iPartCount <= 6; i++)
???{
????Char iCh = Char.Parse(iPData.Substring(i,1));
????if (Char.IsDigit(iCh))
????{
?????iBuf += iCh;
????}
????else if (iCh != ',')
????{
?????throw new IOException("Malformed PASV Reply: " + mReply);
????}

????if (iCh == ',' || i+1 == iLen)
????{
?????try
?????{
??????iParts[iPartCount++] = Int32.Parse(iBuf);
??????iBuf = String.Empty;
?????}
?????catch (Exception)
?????{
??????throw new IOException("Malformed PASV Reply: " + mReply);
?????}
????}
???}

???string IPAddress = iParts[0] + "."+ iParts[1]+ "." + iParts[2] + "." + iParts[3];

???int iPort = (iParts[4] << 8) + iParts[5];

???Socket iSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
???IPEndPoint iEPoint = new IPEndPoint(Dns.Resolve(IPAddress).AddressList[0], iPort);

???try
???{
????iSocket.Connect(iEPoint);
???}
???catch(Exception)
???{
????throw new IOException("無法聯接到指定的IP地址");
???}

???return iSocket;
??}

??/// <summary>
??/// 更新當前操作目錄
??/// </summary>
??/// <param name="iDirName">目錄名</param>
??public void Chdir(String iDirName)
??{
???if(iDirName.Equals("."))
???{
????return;
???}

???if(!Logined)
???{
????Login();
???}

???SendCommand("CWD "+iDirName);

???if(mRetValue != 250)
???{
????throw new IOException(mReply.Substring(4));
???}

???this.RemotePath = iDirName;
??}

??void ReadReply()
??{
???mRemoteMessage = String.Empty;
???mReply = ReadLine();
???mRetValue = Int32.Parse(mReply.Substring(0,3));
??}

??String ReadLine()
??{
???while(true)
???{
????mBytes???=? mClientSocket.Receive(mBuffer, mBuffer.Length, 0);
????mRemoteMessage?+= ASCII.GetString(mBuffer, 0, mBytes);
????if(mBytes < mBuffer.Length)
????{
?????break;
????}
???}

???Char[] iSeperator = {'\n'};

???String[] iMess = mRemoteMessage.Split(iSeperator);

???if(iMess.Length > 2)
???{
????mRemoteMessage = iMess[iMess.Length-2];
???}
???else
???{
????mRemoteMessage = iMess[0];
???}

???if(!mRemoteMessage.Substring(3,1).Equals(" "))
???{
????return ReadLine();
???}
???/*
??????if(debug)
??????{
???????for(int i=0; i < iMess.Length-1 ; i++)
???????{
????????Console.WriteLine(iMess[i]);
???????}
??????}
???*/
???return mRemoteMessage;
??}

??/// <summary>
??/// FTP中的退出命令
??/// </summary>
??public void Quit()
??{
???if(mClientSocket != null)
???{
????SendCommand("QUIT");
???}
???Cleanup();
??}

??/// <summary>
??/// 關閉方法,和QUIT一樣
??/// </summary>
??public void Close()
??{
???if(mClientSocket != null)
???{
????SendCommand("QUIT");
???}
???Cleanup();
??}

??/// <summary>
??/// 斷開聯接,資源釋放
??/// </summary>
??private void Cleanup()
??{
???if(mClientSocket!=null)
???{
????mClientSocket.Close();
????mClientSocket = null;
???}
???Logined = false;
??}

??/// <summary>
??/// 向FTP服務器端發送FTP指令
??/// </summary>
??/// <param name="iCommand">指令名稱</param>
??private void SendCommand(String iCommand)
??{
??
???Byte[] iCmdBytes = ASCII.GetBytes((iCommand+"\r\n").ToCharArray());
???mClientSocket.Send(iCmdBytes, iCmdBytes.Length, 0);
???ReadReply();
??}

??????? private string ChangeUTP8(string str)
??????? {
??????????? byte[] btCN = System.Text.Encoding.Default.GetBytes(str);
??????????? string strUTF8 = System.Text.Encoding.UTF8.GetString(btCN);
??????????? return strUTF8;
??????? }
?}

下面是應用的方法...

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Collections;

namespace UploadTest
{
??? public partial class Form1 : Form
??? {
??????? public Form1()
??????? {
??????????? InitializeComponent();
??????? }

??????? private string ErrorFile;
??????? private string RootPath;
??????? private string ErrorFileName;
??????? private string User;
??????? private string Pwd ;
??????? private int Port;
??????? private string FTPAddress;
??????? private string RemoteFile;
??????? private const int STime = 1000 * 10;
??????? private const string strDe = "*.*";

??????? #region 寫文件
??????? /// <summary>
??????? /// 寫文件
??????? /// </summary>
??????? /// <param name="Log"></param>
??????? private void WriteLog(string filename, string filecontent)
??????? {
??????????? string path = filename;?
??????????? try
??????????? {
??????????????? if (!File.Exists(path))
??????????????? {
??????????????????? Stream ifile = File.Create(filename);
??????????????????? ifile.Close();
??????????????? }
??????????????? StreamWriter sw = new StreamWriter(filename, true);
??????????????? sw.Write("\r\n" + filecontent);
??????????????? sw.Flush();
??????????????? sw.Close();
??????????? }

??????????? catch (IOException ex)
??????????? {
??????????????? throw new IOException("WriteLog Has Error");
??????????? }

??????? }
??????? #endregion

??????? #region? 下載文件
??????? /// <summary>
??????? /// 下載文件
??????? /// </summary>
??????? /// <param name="PathList"></param>
??????? private void? DownFTPFile(ArrayList PathList)
??????? {
???????????
??????????? //這里好像貼出來有錯誤... 大家一看便知哈..??FTP地址必須是IP地址
??????????? FtpUtil ftp = new FtpUtil();
???????????? ftp= User;
??????????? ftp = FTPAddress;
??????????? ftp= Pwd;
??????????? ftp= RemoteFile;
??????????? ftp= Port;

??????????? Char[] iSeperator = { '\r' };

?????????
??????????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.login/();

??????????????? if (http://www.cnblogs.com/z2002m/admin/ftp://ftp.logined/)
??????????????? {
????????????????? //? ArrayList PathList = http://www.cnblogs.com/z2002m/admin/ftp://ftp.getfilelist(%22*.txt/");
??????????????????? if (PathList != null || PathList.Count > 0)
??????????????????? {
??????????????????????? for (int i=0;i< PathList.Count;i++)
??????????????????????? {
??????????????????????????? string FileName = PathList[i].ToString().Split(iSeperator)[0];
??????????????????????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.download(filename/, Path.Combine(RootPath, FileName), true);
??????????????????????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.close/();
??????????????????????? }
??????????????????? }
??????????????? }
??????????????? else
??????????????? {

??????????????????? WriteLog(ErrorFileName, string.Format(ErrorFileName, "{1}-{2}登錄未成功? {0}", DateTime.Now.ToString(), http://www.cnblogs.com/z2002m/admin/ftp://ftp.remoteaccounts/, http://www.cnblogs.com/z2002m/admin/ftp://ftp.remotepassword/));
???????????????????
??????????????? }
??????????
??????? }

??????? #endregion

??????? #region 本地文件名與FTP上面的相比較
??????? /// <summary>
??????? /// 本地文件名與FTP上面的相比較,返回未下載的文件名
??????? /// </summary>
??????? /// <param name="FtpFiles">FTP文件。。多個</param>
??????? /// <param name="LocalFiles">本地多個</param>
??????? /// <returns></returns>
??????? private ArrayList UndownFiles(ArrayList FtpFiles, string[] LocalFiles)
??????? {

??????????? try
??????????? {
??????????????? ArrayList NoDownFiles = new ArrayList();
??????????????? ArrayList DownFiles = new ArrayList();

??????????????? for (int i = 0; i < FtpFiles.Count; i++)
??????????????? {
??????????????????? bool IsInclude = false;

??????????????????? if (LocalFiles.Length == 0 || LocalFiles == null)
??????????????????? {
??????????????????????? DownFiles.Add(FtpFiles[i]);
??????????????????????? continue;
??????????????????? }
??????????????????? for (int p = 0; p < LocalFiles.Length; p++)
??????????????????? {

??????????????????????? if (FtpFiles[i].ToString() == LocalFiles[p])
??????????????????????? {
??????????????????????????? IsInclude = true;
??????????????????????? }
???????????????????? }

???????????????????? if ( !IsInclude )
??????????????????? {
??????????????????????? DownFiles.Add(FtpFiles[i]);
??????????????????? }
??????????????? }

??????????????? for (int i = 0; i < DownFiles.Count; i++ )
???????????????? {
???????????????????
???????????????????? NoDownFiles.Add(DownFiles[i]);
???????????????? }
???????????????? return NoDownFiles;

??????????? }
??????????? catch (Exception ex)
??????????? {

??????????????? WriteLog(ErrorFileName,string.Format("Position:LookFiles . ErrorMessage: {0} . Time; {1}", ex.Message, DateTime.Now.ToString()));
??????????????? return null;
??????????? }

??????? }

??????? #endregion

??????? #region 查看一個目錄下有多少個文件. 取出它的文件名..
??????? /// <summary>
??????? /// 查看一個目錄下有多少個文件. 取出它的文件名.. 格式是 test.txt, cc.txt
??????? /// </summary>
??????? /// <param name="LocalPath"></param>
??????? /// <returns></returns>
??????? private string[] LookFiles(string LocalPath)
??????? {
??????????? if (!Directory.Exists(LocalPath))
??????????? {
??????????????? return null;
??????????? }
???????????
??????????? string[] Files = Directory.GetFiles(LocalPath);
??????????? string[] RerurnFile = Files;
??????????? if? (Files !=? null? &&? Files.Length>0)
??????????? {
??????????????? for (int i = 0; i < Files.Length;i++ )
??????????????? {
??????????????????? RerurnFile[i] = System.IO.Path.GetFileName(Files[i]);
??????????????? }
??????????? }
??????????? return RerurnFile;
??????? }

??????? #endregion

??????? #region 查看FTP下有多少個文件
??????? /// <summary>
??????? /// 查看FTP下有多少個文件
??????? /// </summary>
??????? /// <param name="dir"></param>
??????? /// <returns></returns>
??????? private ArrayList LookFTPfIle(string dir)
??????? {
??????????? FtpUtil ftp = new FtpUtil();
??????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.remoteaccounts/ = User;
??????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.remotehost/ = FTPAddress;
??????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.remotepassword/ = Pwd;
??????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.remotepath/ = RemoteFile;
??????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.remoteport/ = Port;

??????????? Char[] iSeperator = { '\r' };

?????????
??????????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.login/();

??????????????? if (http://www.cnblogs.com/z2002m/admin/ftp://ftp.logined/)
??????????????? {
???????????????????? ArrayList PathList = http://www.cnblogs.com/z2002m/admin/ftp://ftp.getfilelist(strde/);

???????????????????? for (int i = 0; i < PathList.Count; i++ )
???????????????????? {
???????????????????????? string StrName = PathList[i].ToString().Split(iSeperator)[0];
???????????????????????? PathList[i] =? StrName;
???????????????????? }
???????????????????? http://www.cnblogs.com/z2002m/admin/ftp://ftp.close/();
???????????????????? return PathList;
??????????????? }
??????????????? else
??????????????? {

?????
??????? #endregion

??????? #region 初始化
??????? /// <summary>
??????? /// 初始化
??????? /// </summary>
??????? private void LoadWinform()
??????? {
????????? ErrorFile = "Error.txt";
????????? RootPath = Path.Combine(this.txtLocal.Text.Trim(), DateTime.Now.ToShortDateString().Replace("-", ""));
????????? ErrorFileName = Path.Combine(this.txtError.Text.Trim(), ErrorFile);
????????? User = this.txtUser.Text.Trim();
????????? Pwd = this.txtPwd.Text.Trim();
????????? int i=21;
????????? bool IsOK= int.TryParse(this.txtPort.Text.Trim(),out i);

????????? Port = IsOK ? i : 21;
????????? FTPAddress = this.txtFTP.Text.Trim();
????????? RemoteFile = this.txtRemote.Text.Trim();

????????? this.timerClick.Interval = string.IsNullOrEmpty(this.txtInt.Text.Trim()) ? STime : int.Parse(this.txtInt.Text.Trim()) * 1000 * 3600 ;
????? }

??????? #endregion

????
??????? private void Form1_Load(object sender, EventArgs e)
???????? {
???????????? this.timerClick.Stop();
??????? }

??????? private void timer1_Tick(object sender, EventArgs e)
??????? {
??????????? try
??????????? {
??????????????? if (!Directory.Exists(RootPath))
??????????????? {
??????????????????? Directory.CreateDirectory(RootPath);
??????????????? }

??????????????? if (!File.Exists(ErrorFileName))
??????????????? {
??????????????????? File.Create(ErrorFileName);
??????????????? }

??????????????? ArrayList list = LookFTPfIle("dd");
??????????????? if (list != null)
??????????????? {

??????????????????? // 取到未下載的文件..

??????????????????? string[] LocalPaths = LookFiles(RootPath);
??????????????????? ArrayList unPathList = UndownFiles(list, LocalPaths);

??????????????????? if (unPathList != null)
??????????????????? {
??????????????????????? //? 開始下載
??????????????????????? DownFTPFile(unPathList);
??????????????????? }
??????????????? }
??????????? }

??????????? catch(IOException ex)
??????????? {
??????????????? WriteLog(ErrorFileName, ex.Message+"; time: "+DateTime.Now.ToString());
??????????????? this.timerClick.Stop();
??????????????? this.timerClick.Start();
??????????? }
??????????
??????? }

??????? private void btnSave_Click(object sender, EventArgs e)
??????? {
????????? this.timerClick.Stop();
????????? LoadWinform();
????????? this.timerClick.Start();
????????? this.btnSave.Enabled = false;
??????? }

??????? private void btnStop_Click(object sender, EventArgs e)
??????? {
??????????? this.timerClick.Stop();
??????????? this.btnSave.Enabled = true;
??????? }

??? }
}

轉載于:https://www.cnblogs.com/z2002m/archive/2008/12/24/1361088.html

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