C#FTP操作
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Text.RegularExpressions;
namespace Discuz.Common
{
///
/// FTP類
///
public class FTP
{
#region 變數宣告
///
/// 伺服器連線地址
///
public string server;
///
/// 登陸帳號
///
public string user;
///
/// 登陸口令
///
public string pass;
///
/// 埠號
///
public int port;
///
/// 無響應時間（FTP在指定時間內無響應）
///
public int timeout;
///
/// 伺服器錯誤狀態資訊
///
public string errormessage;
///
/// 伺服器狀態返回資訊
///
private string messages;
///
/// 伺服器的響應資訊
///
private string responseStr;
///
/// 連結模式（主動或被動，預設為被動）
///
private bool passive_mode;
///
/// 上傳或下載資訊位元組數
///
private long bytes_total;
///
/// 上傳或下載的檔案大小
///
private long file_size;
///
/// 主套接字
///
private Socket main_sock;
///
/// 要連結的網路地址終結點
///
private IPEndPoint main_ipEndPoint;
///
/// 偵聽套接字
///
private Socket listening_sock;
///
/// 資料套接字
///
private Socket data_sock;
///
/// 要連結的網路資料地址終結點
///
private IPEndPoint data_ipEndPoint;
///
/// 用於上傳或下載的檔案流物件
///
private FileStream file;
///
/// 與FTP伺服器互動的狀態值
///
private int response;
///
/// 讀取並儲存當前命令執行後從FTP伺服器端返回的資料資訊
///
private string bucket;
#endregion
#region 建構函式
///
/// 建構函式
///
public FTP()
{
server = null;
user = null;
pass = null;
port = 21;
passive_mode = true;
main_sock = null;
main_ipEndPoint = null;
listening_sock = null;
data_sock = null;
data_ipEndPoint = null;
file = null;
bucket = "";
bytes_total = 0;
timeout = 10000; //無響應時間為10秒
messages = "";
errormessage = "";
}
///
/// 建構函式
///
/// 伺服器IP或名稱
/// 登陸帳號
/// 登陸口令
public FTP(string server, string user, string pass)
{
this.server = server;
this.user = user;
this.pass = pass;
port = 21;
passive_mode = true;
main_sock = null;
main_ipEndPoint = null;
listening_sock = null;
data_sock = null;
data_ipEndPoint = null;
file = null;
bucket = "";
bytes_total = 0;
timeout = 10000; //無響應時間為10秒
messages = "";
errormessage = "";
}
///
/// 建構函式
///
/// 伺服器IP或名稱
/// 埠號
/// 登陸帳號
/// 登陸口令
public FTP(string server, int port, string user, string pass)
{
this.server = server;
this.user = user;
this.pass = pass;
this.port = port;
passive_mode = true;
main_sock = null;
main_ipEndPoint = null;
listening_sock = null;
data_sock = null;
data_ipEndPoint = null;
file = null;
bucket = "";
bytes_total = 0;
timeout = 10000; //無響應時間為10秒
messages = "";
errormessage = "";
}
///
/// 建構函式
///
/// 伺服器IP或名稱
/// 埠號
/// 登陸帳號
/// 登陸口令
/// 連結方式
public FTP(string server, int port, string user, string pass, int mode)
{
this.server = server;
this.user = user;
this.pass = pass;
this.port = port;
passive_mode = mode <= 1 ? true : false;
main_sock = null;
main_ipEndPoint = null;
listening_sock = null;
data_sock = null;
data_ipEndPoint = null;
file = null;
bucket = "";
bytes_total = 0;
this.timeout = 10000; //無響應時間為10秒
messages = "";
errormessage = "";
}
///
/// 建構函式
///
/// 伺服器IP或名稱
/// 埠號
/// 登陸帳號
/// 登陸口令
/// 連結方式
/// 無響應時間(限時),單位:秒 (小於或等於0為不受時間限制)
public FTP(string server, int port, string user, string pass, int mode, int timeout_sec)
{
this.server = server;
this.user = user;
this.pass = pass;
this.port = port;
passive_mode = mode <= 1 ? true : false;
main_sock = null;
main_ipEndPoint = null;
listening_sock = null;
data_sock = null;
data_ipEndPoint = null;
file = null;
bucket = "";
bytes_total = 0;
this.timeout = (timeout_sec <= 0) ? int.MaxValue : (timeout_sec * 1000); //無響應時間
messages = "";
errormessage = "";
}
#endregion
#region 屬性
///
/// 當前是否已連線
///
public bool IsConnected
{
get
{
if (main_sock != null)
return main_sock.Connected;
return false;
}
}
///
/// 當message緩衝區有資料則返回
///
public bool MessagesAvailable
{
get
{
if (messages.Length > 0)
return true;
return false;
}
}
///
/// 獲取伺服器狀態返回資訊, 並清空messages變數
///
public string Messages
{
get
{
string tmp = messages;
messages = "";
return tmp;
}
}
///
/// 最新指令發出後伺服器的響應
///
public string ResponseString
{
get
{
return responseStr;
}
}
///
///在一次傳輸中,傳送或接收的位元組數
///
public long BytesTotal
{
get
{
return bytes_total;
}
}
///
///被下載或上傳的檔案大小,當檔案大小無效時為0
///
public long FileSize
{
get
{
return file_size;
}
}
///
/// 連結模式:
/// true 被動模式 [預設]
/// false: 主動模式
///
public bool PassiveMode
{
get
{
return passive_mode;
}
set
{
passive_mode = value;
}
}
#endregion
#region 操作
///
/// 操作失敗
///
private void Fail()
{
Disconnect();
errormessage += responseStr;
//throw new Exception(responseStr);
}
///
/// 下載檔案型別
///
/// true:二進位制檔案 false:字元檔案
private void SetBinaryMode(bool mode)
{
if (mode)
SendCommand("TYPE I");
else
SendCommand("TYPE A");
ReadResponse();
if (response != 200)
Fail();
}
///
/// 傳送命令
///
///
private void SendCommand(string command)
{
Byte[] cmd = Encoding.ASCII.GetBytes((command + "\r\n").ToCharArray());
if (command.Length > 3 && command.Substring(0, 4) == "PASS")
{
messages = "\rPASS xxx";
}
else
{
messages = "\r" + command;
}
try
{
main_sock.Send(cmd, cmd.Length, 0);
}
catch (Exception ex)
{
try
{
Disconnect();
errormessage += ex.Message;
return;
}
catch
{
main_sock.Close();
file.Close();
main_sock = null;
main_ipEndPoint = null;
file = null;
}
}
}
private void FillBucket()
{
Byte[] bytes = new Byte[512];
long bytesgot;
int msecs_passed = 0;
while (main_sock.Available < 1)
{
System.Threading.Thread.Sleep(50);
msecs_passed += 50;
//當等待時間到,則斷開連結
if (msecs_passed > timeout)
{
Disconnect();
errormessage += "Timed out waiting on server to respond.";
return;
}
}
while (main_sock.Available > 0)
{
bytesgot = main_sock.Receive(bytes, 512, 0);
bucket += Encoding.ASCII.GetString(bytes, 0, (int) bytesgot);
System.Threading.Thread.Sleep(50);
}
}
private string GetLineFromBucket()
{
int i;
string buf = "";
if ((i = bucket.IndexOf('\n')) < 0)
{
while (i < 0)
{
FillBucket();
i = bucket.IndexOf('\n');
}
}
buf = bucket.Substring(0, i);
bucket = bucket.Substring(i + 1);
return buf;
}
///
/// 返回伺服器端返回資訊
///
private void ReadResponse()
{
string buf;
messages = "";
while (true)
{
buf = GetLineFromBucket();
if (Regex.Match(buf, "^[0-9]+ ").Success)
{
responseStr = buf;
response = int.Parse(buf.Substring(0, 3));
break;
}
else
messages += Regex.Replace(buf, "^[0-9]+-", "") + "\n";
}
}
///
/// 開啟資料套接字
///
private void OpenDataSocket()
{
if (passive_mode)
{
string[] pasv;
string server;
int port;
Connect();
SendCommand("PASV");
ReadResponse();
if (response != 227)
Fail();
try
{
int i1, i2;
i1 = responseStr.IndexOf('(') + 1;
i2 = responseStr.IndexOf(')') - i1;
pasv = responseStr.Substring(i1, i2).Split(',');
}
catch (Exception)
{
Disconnect();
errormessage += "Malformed PASV response: " + responseStr;
return;
}
if (pasv.Length < 6)
{
Disconnect();
errormessage += "Malformed PASV response: " + responseStr;
return;
}
server = String.Format("{0}.{1}.{2}.{3}", pasv[0], pasv[1], pasv[2], pasv[3]);
port = (int.Parse(pasv[4]) << 8) + int.Parse(pasv[5]);
try
{
CloseDataSocket();
data_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
#if NET1
data_ipEndPoint = new IPEndPoint(Dns.GetHostByName(server).AddressList[0], port);
#else
data_ipEndPoint = new IPEndPoint(System.Net.Dns.GetHostEntry(server).AddressList[0], port);
#endif
data_sock.Connect(data_ipEndPoint);
}
catch (Exception ex)
{
errormessage += "Failed to connect for data transfer: " + ex.Message;
return;
}
}
else
{
Connect();
try
{
CloseDataSocket();
listening_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 對於埠,則傳送IP地址.下面則提取相應資訊
string sLocAddr = main_sock.LocalEndPoint.ToString();
int ix = sLocAddr.IndexOf(':');
if (ix < 0)
{
errormessage += "Failed to parse the local address: " + sLocAddr;
return;
}
string sIPAddr = sLocAddr.Substring(0, ix);
// 系統自動繫結一個埠號(設定 port = 0)
System.Net.IPEndPoint localEP = new IPEndPoint(IPAddress.Parse(sIPAddr), 0);
listening_sock.Bind(localEP);
sLocAddr = listening_sock.LocalEndPoint.ToString();
ix = sLocAddr.IndexOf(':');
if (ix < 0)
{
errormessage += "Failed to parse the local address: " + sLocAddr;
}
int nPort = int.Parse(sLocAddr.Substring(ix + 1));
// 開始偵聽連結請求
listening_sock.Listen(1);
string sPortCmd = string.Format("PORT {0},{1},{2}",
sIPAddr.Replace('.', ','),
nPort / 256, nPort % 256);
SendCommand(sPortCmd);
ReadResponse();
if (response != 200)
Fail();
}
catch (Exception ex)
{
errormessage += "Failed to connect for data transfer: " + ex.Message;
return;
}
}
}
private void ConnectDataSocket()
{
if (data_sock != null) // 已連結
return;
try
{
data_sock = listening_sock.Accept(); // Accept is blocking
listening_sock.Close();
listening_sock = null;
if (data_sock == null)
{
throw new Exception("Winsock error: " +
Convert.ToString(System.Runtime.InteropServices.Marshal.GetLastWin32Error()));
}
}
catch (Exception ex)
{
errormessage += "Failed to connect for data transfer: " + ex.Message;
}
}
private void CloseDataSocket()
{
if (data_sock != null)
{
if (data_sock.Connected)
{
data_sock.Close();
}
data_sock = null;
}
data_ipEndPoint = null;
}
///
/// 關閉所有連結
///
public void Disconnect()
{
CloseDataSocket();
if (main_sock != null)
{
if (main_sock.Connected)
{
SendCommand("QUIT");
main_sock.Close();
}
main_sock = null;
}
if (file != null)
file.Close();
main_ipEndPoint = null;
file = null;
}
///
/// 連結到FTP伺服器
///
/// 要連結的IP地址或主機名
/// 埠號
/// 登陸帳號
/// 登陸口令
public void Connect(string server, int port, string user, string pass)
{
this.server = server;
this.user = user;
this.pass = pass;
this.port = port;
Connect();
}
///
/// 連結到FTP伺服器
///
/// 要連結的IP地址或主機名
/// 登陸帳號
/// 登陸口令
public void Connect(string server, string user, string pass)
{
this.server = server;
this.user = user;
this.pass = pass;
Connect();
}
///
/// 連結到FTP伺服器
///
public bool Connect()
{
if (server == null)
{
errormessage += "No server has been set.\r\n";
}
if (user == null)
{
errormessage += "No server has been set.\r\n";
}
if (main_sock != null)
if (main_sock.Connected)
return true;
try
{
main_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
#if NET1
main_ipEndPoint = new IPEndPoint(Dns.GetHostByName(server).AddressList[0], port);
#else
main_ipEndPoint = new IPEndPoint(System.Net.Dns.GetHostEntry(server).AddressList[0], port);
#endif
main_sock.Connect(main_ipEndPoint);
}
catch (Exception ex)
{
errormessage += ex.Message;
return false;
}
ReadResponse();
if (response != 220)
Fail();
SendCommand("USER " + user);
ReadResponse();
switch (response)
{
case 331:
if (pass == null)
{
Disconnect();
errormessage += "No password has been set.";
return false;
}
SendCommand("PASS " + pass);
ReadResponse();
if (response != 230)
{
Fail();
return false;
}
break;
case 230:
break;
}
return true;
}
///
/// 獲取FTP當前(工作)目錄下的檔案列表
///
///
public ArrayList List()
{
Byte[] bytes = new Byte[512];
string file_list = "";
long bytesgot = 0;
int msecs_passed = 0;
ArrayList list = new ArrayList();
Connect();
OpenDataSocket();
SendCommand("LIST");
ReadResponse();
switch (response)
{
case 125:
case 150:
break;
default:
CloseDataSocket();
throw new Exception(responseStr);
}
ConnectDataSocket();
while (data_sock.Available < 1)
{
System.Threading.Thread.Sleep(50);
msecs_passed += 50;
if (msecs_passed > (timeout / 10))
{
break;
}
}
while (data_sock.Available > 0)
{
bytesgot = data_sock.Receive(bytes, bytes.Length, 0);
file_list += Encoding.ASCII.GetString(bytes, 0, (int) bytesgot);
System.Threading.Thread.Sleep(50);
}
CloseDataSocket();
ReadResponse();
if (response != 226)
throw new Exception(responseStr);
foreach (string f in file_list.Split('\n'))
{
if (f.Length > 0 && !Regex.Match(f, "^total").Success)
list.Add(f.Substring(0, f.Length - 1));
}
return list;
}
///
/// 獲取到檔名列表
///
///
public ArrayList ListFiles()
{
ArrayList list = new ArrayList();
foreach (string f in List())
{
if ((f.Length > 0))
{
if ((f[0] != 'd') && (f.ToUpper().IndexOf("
list.Add(f);
}
}
return list;
}
///
/// 獲取路徑列表
///
///
public ArrayList ListDirectories()
{
ArrayList list = new ArrayList();
foreach (string f in List())
{
if (f.Length > 0)
{
if ((f[0] == 'd') || (f.ToUpper().IndexOf("
list.Add(f);
}
}
return list;
}
///
/// 獲取原始資料資訊.
///
/// 遠端檔名
///
public string GetFileDateRaw(string fileName)
{
Connect();
SendCommand("MDTM " + fileName);
ReadResponse();
if (response != 213)
{
errormessage += responseStr;
return "";
}
return (this.responseStr.Substring(4));
}
///
/// 得到檔案日期.
///
/// 遠端檔名
///
public DateTime GetFileDate(string fileName)
{
return ConvertFTPDateToDateTime(GetFileDateRaw(fileName));
}
private DateTime ConvertFTPDateToDateTime(string input)
{
if (input.Length < 14)
throw new ArgumentException("Input Value for ConvertFTPDateToDateTime method was too short.");
//YYYYMMDDhhmmss":
int year = Convert.ToInt16(input.Substring(0, 4));
int month = Convert.ToInt16(input.Substring(4, 2));
int day = Convert.ToInt16(input.Substring(6, 2));
int hour = Convert.ToInt16(input.Substring(8, 2));
int min = Convert.ToInt16(input.Substring(10, 2));
int sec = Convert.ToInt16(input.Substring(12, 2));
return new DateTime(year, month, day, hour, min, sec);
}
///
/// 獲取FTP上的當前(工作)路徑
///
///
public string GetWorkingDirectory()
{
//PWD - 顯示工作路徑
Connect();
SendCommand("PWD");
ReadResponse();
if (response != 257)
{
errormessage += responseStr;
}
string pwd;
try
{
pwd = responseStr.Substring(responseStr.IndexOf("\"", 0) + 1);//5);
pwd = pwd.Substring(0, pwd.LastIndexOf("\""));
pwd = pwd.Replace("\"\"", "\""); // 替換帶引號的路徑資訊符號
}
catch (Exception ex)
{
errormessage += ex.Message;
return null;
}
return pwd;
}
///
/// 跳轉伺服器上的當前(工作)路徑
///
/// 要跳轉的路徑
public bool ChangeDir(string path)
{
Connect();
SendCommand("CWD " + path);
ReadResponse();
if (response != 250)
{
errormessage += responseStr;
return false;
}
return true;
}
///
/// 建立指定的目錄
///
/// 要建立的目錄
public void MakeDir(string dir)
{
Connect();
SendCommand("MKD " + dir);
ReadResponse();
switch (response)
{
case 257:
case 250:
break;
default:
{
errormessage += responseStr;
break;
}
}
}
///
/// 移除FTP上的指定目錄
///
/// 要移除的目錄
public void RemoveDir(string dir)
{
Connect();
SendCommand("RMD " + dir);
ReadResponse();
if (response != 250)
{
errormessage += responseStr;
return;
;
}
}
///
/// 移除FTP上的指定檔案
///
/// 要移除的檔名稱
public void RemoveFile(string filename)
{
Connect();
SendCommand("DELE " + filename);
ReadResponse();
if (response != 250)
{
errormessage += responseStr;
}
}
///
/// 重新命名FTP上的檔案
///
/// 原檔名
/// 新檔名
public void RenameFile(string oldfilename, string newfilename)
{
Connect();
SendCommand("RNFR " + oldfilename);
ReadResponse();
if (response != 350)
{
errormessage += responseStr;
}
else
{
SendCommand("RNTO " + newfilename);
ReadResponse();
if (response != 250)
{
errormessage += responseStr;
}
}
}
///
/// 獲得指定檔案的大小(如果FTP支援)
///
/// 指定的檔案
///
public long GetFileSize(string filename)
{
Connect();
SendCommand("SIZE " + filename);
ReadResponse();
if (response != 213)
{
errormessage += responseStr;
}
return Int64.Parse(responseStr.Substring(4));
}
///
/// 上傳指定的檔案
///
/// 要上傳的檔案
public bool OpenUpload(string filename)
{
return OpenUpload(filename, filename, false);
}
///
/// 上傳指定的檔案
///
/// 本地檔名
/// 遠端要覆蓋的檔名
public bool OpenUpload(string filename, string remotefilename)
{
return OpenUpload(filename, remotefilename, false);
}
///
/// 上傳指定的檔案
///
/// 本地檔名
/// 如果存在,則嘗試恢復
public bool OpenUpload(string filename, bool resume)
{
return OpenUpload(filename, filename, resume);
}
///
/// 上傳指定的檔案
///
/// 本地檔名
/// 遠端要覆蓋的檔名
/// 如果存在,則嘗試恢復
public bool OpenUpload(string filename, string remote_filename, bool resume)
{
Connect();
SetBinaryMode(true);
OpenDataSocket();
bytes_total = 0;
try
{
file = new FileStream(filename, FileMode.Open);
}
catch (Exception ex)
{
file = null;
errormessage += ex.Message;
return false;
}
file_size = file.Length;
if (resume)
{
long size = GetFileSize(remote_filename);
SendCommand("REST " + size);
ReadResponse();
if (response == 350)
file.Seek(size, SeekOrigin.Begin);
}
SendCommand("STOR " + remote_filename);
ReadResponse();
switch (response)
{
case 125:
case 150:
break;
default:
file.Close();
file = null;
errormessage += responseStr;
return false;
}
ConnectDataSocket();
return true;
}
///
/// 下載指定檔案
///
/// 遠端檔名稱
public void OpenDownload(string filename)
{
OpenDownload(filename, filename, false);
}
///
/// 下載並恢復指定檔案
///
/// 遠端檔名稱
/// 如檔案存在,則嘗試恢復
public void OpenDownload(string filename, bool resume)
{
OpenDownload(filename, filename, resume);
}
///
/// 下載指定檔案
///
/// 遠端檔名稱
/// 本地檔名
public void OpenDownload(string remote_filename, string localfilename)
{
OpenDownload(remote_filename, localfilename, false);
}
///
/// 開啟並下載檔案
///
/// 遠端檔名稱
/// 本地檔名
/// 如果檔案存在則恢復
public void OpenDownload(string remote_filename, string local_filename, bool resume)
{
Connect();
SetBinaryMode(true);
bytes_total = 0;
try
{
file_size = GetFileSize(remote_filename);
}
catch
{
file_size = 0;
}
if (resume && File.Exists(local_filename))
{
try
{
file = new FileStream(local_filename, FileMode.Open);
}
catch (Exception ex)
{
file = null;
throw new Exception(ex.Message);
}
SendCommand("REST " + file.Length);
ReadResponse();
if (response != 350)
throw new Exception(responseStr);
file.Seek(file.Length, SeekOrigin.Begin);
bytes_total = file.Length;
}
else
{
try
{
file = new FileStream(local_filename, FileMode.Create);
}
catch (Exception ex)
{
file = null;
throw new Exception(ex.Message);
}
}
OpenDataSocket();
SendCommand("RETR " + remote_filename);
ReadResponse();
switch (response)
{
case 125:
case 150:
break;
default:
file.Close();
file = null;
errormessage += responseStr;
return;
}
ConnectDataSocket();
return;
}
///
/// 上傳檔案(迴圈呼叫直到上傳完畢)
///
///
public long DoUpload()
{
Byte[] bytes = new Byte[512];
long bytes_got;
try
{
bytes_got = file.Read(bytes, 0, bytes.Length);
bytes_total += bytes_got;
data_sock.Send(bytes, (int) bytes_got, 0);
if (bytes_got <= 0)
{
//上傳完畢或有錯誤發生
file.Close();
file = null;
CloseDataSocket();
ReadResponse();
switch (response)
{
case 226:
case 250:
break;
default: //當上傳中斷時
{
errormessage += responseStr;
return -1;
}
}
SetBinaryMode(false);
}
}
catch (Exception ex)
{
file.Close();
file = null;
CloseDataSocket();
ReadResponse();
SetBinaryMode(false);
//throw ex;
//當上傳中斷時
errormessage += ex.Message;
return -1;
}
return bytes_got;
}
///
/// 下載檔案(迴圈呼叫直到下載完畢)
///
///
public long DoDownload()
{
Byte[] bytes = new Byte[512];
long bytes_got;
try
{
bytes_got = data_sock.Receive(bytes, bytes.Length, 0);
if (bytes_got <= 0)
{
//下載完畢或有錯誤發生
CloseDataSocket();
file.Close();
file = null;
ReadResponse();
switch (response)
{
case 226:
case 250:
break;
default:
{
errormessage += responseStr;
return -1;
}
}
SetBinaryMode(false);
return bytes_got;
}
file.Write(bytes, 0, (int) bytes_got);
bytes_total += bytes_got;
}
catch (Exception ex)
{
CloseDataSocket();
file.Close();
file = null;
ReadResponse();
SetBinaryMode(false);
//throw ex;
//當下載中斷時
errormessage += ex.Message;
return -1;
}
return bytes_got;
}
#endregion
}
}簡單使用示例：using System;
using System.Collections;
using System.IO;
using Discuz.Common;
namespace Test
{
class TestFtp
{
public void Test()
{
FTP ftp = new FTP("127.0.0.1", "abc", "123456");
//建立資料夾
ftp.MakeDir("com");
ftp.ChangeDir("com");
ftp.MakeDir("mzwu");
ftp.ChangeDir("mzwu");
//資料夾列表
ArrayList list = ftp.ListDirectories();
for (int i = 0; i < list.Count; i++)
{
Console.WriteLine(list[i].ToString() + "
");
}
//刪除資料夾(不能直接刪除非空資料夾)
ftp.RemoveDir("com\\mzwu");
//上傳檔案
ftp.Connect();
ftp.OpenUpload(@"F:\mzwucom.jpg", Path.GetFileName(@"F:\mzwucom.jpg"));
while (ftp.DoUpload() > 0)
{
int perc = (int) (((ftp.BytesTotal) * 100) / http://www.cnblogs.com/MikeChen/admin/ftp://ftp.filesize/);
Console.WriteLine(perc.ToString() + "%
");
}
ftp.Disconnect();
//下載檔案
http://www.cnblogs.com/MikeChen/admin/ftp://ftp.connect/();
http://www.cnblogs.com/MikeChen/admin/ftp://ftp.opendownload(%22mzwucom.jpg/", @"E:\mzwucom.jpg");
while (http://www.cnblogs.com/MikeChen/admin/ftp://ftp.dodownload/() > 0)
{
int perc = (int) (((http://www.cnblogs.com/MikeChen/admin/ftp://ftp.bytestotal/) * 100) / http://www.cnblogs.com/MikeChen/admin/ftp://ftp.filesize/);
Console.WriteLine(perc.ToString() + "%
");
}
http://www.cnblogs.com/MikeChen/admin/ftp://ftp.disconnect/();
//檔案列表
list = http://www.cnblogs.com/MikeChen/admin/ftp://ftp.listfiles/();
for (int i = 0; i < list.Count; i++)
{
Console.WriteLine(list[i].ToString() + "
");
}
//檔案重新命名
http://www.cnblogs.com/MikeChen/admin/ftp://ftp.renamefile(%22mzwucom.jpg/", "test.jpg");
//刪除檔案
http://www.cnblogs.com/MikeChen/admin/ftp://ftp.removefile(%22test.jpg/");
//顯示錯誤資訊
Console.WriteLine(http://www.cnblogs.com/MikeChen/admin/ftp://ftp.errormessage/);
}
}
}
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/12639172/viewspace-664119/，如需轉載，請註明出處，否則將追究法律責任。
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