复制代码 代码如下:
class ftp
{
private string host = null;
private string user = null;
private string pass = null;
private FtpWebRequest ftpRequest = null;
private FtpWebResponse ftpResponse = null;
private Stream ftpStream = null;
private int bufferSize = 2048;

public ftp(string hostIP, string userName, string password) { host = hostIP; user = userName; pass = password; }

public void download(string remoteFile, string localFile)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + remoteFile);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.DownloadFile;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpStream = ftpResponse.GetResponseStream();
FileStream localFileStream = new FileStream(localFile, FileMode.Create);
byte[] byteBuffer = new byte[bufferSize];
int bytesRead = ftpStream.Read(byteBuffer, 0, bufferSize);
try
{
while (bytesRead > 0)
{
localFileStream.Write(byteBuffer, 0, bytesRead);
bytesRead = ftpStream.Read(byteBuffer, 0, bufferSize);
}
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
localFileStream.Close();
ftpStream.Close();
ftpResponse.Close();
ftpRequest = null;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return;
}

public void upload(string remoteFile, string localFile)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + remoteFile);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;
ftpStream = ftpRequest.GetRequestStream();
FileStream localFileStream = new FileStream(localFile, FileMode.Create);
byte[] byteBuffer = new byte[bufferSize];
int bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize);
try
{
while (bytesSent != 0)
{
ftpStream.Write(byteBuffer, 0, bytesSent);
bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize);
}
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
localFileStream.Close();
ftpStream.Close();
ftpRequest = null;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return;
}

public void delete(string deleteFile)
{
try
{
ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + deleteFile);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.DeleteFile;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpResponse.Close();
ftpRequest = null;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return;
}

public void rename(string currentFileNameAndPath, string newFileName)
{
try
{
ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + currentFileNameAndPath);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.Rename;
ftpRequest.RenameTo = newFileName;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpResponse.Close();
ftpRequest = null;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return;
}

public void createDirectory(string newDirectory)
{
try
{
ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + newDirectory);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpResponse.Close();
ftpRequest = null;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return;
}

public string getFileCreatedDateTime(string fileName)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + fileName);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.GetDateTimestamp;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpStream = ftpResponse.GetResponseStream();
StreamReader ftpReader = new StreamReader(ftpStream);
string fileInfo = null;
try { fileInfo = ftpReader.ReadToEnd(); }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
ftpReader.Close();
ftpStream.Close();
ftpResponse.Close();
ftpRequest = null;
return fileInfo;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return "";
}

public string getFileSize(string fileName)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + fileName);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.GetFileSize;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpStream = ftpResponse.GetResponseStream();
StreamReader ftpReader = new StreamReader(ftpStream);
string fileInfo = null;
try { while (ftpReader.Peek() != -1) { fileInfo = ftpReader.ReadToEnd(); } }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
ftpReader.Close();
ftpStream.Close();
ftpResponse.Close();
ftpRequest = null;
return fileInfo;
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return "";
}

public string[] directoryListSimple(string directory)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + directory);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpStream = ftpResponse.GetResponseStream();
StreamReader ftpReader = new StreamReader(ftpStream);
string directoryRaw = null;
try { while (ftpReader.Peek() != -1) { directoryRaw += ftpReader.ReadLine() + "|"; } }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
ftpReader.Close();
ftpStream.Close();
ftpResponse.Close();
ftpRequest = null;
try { string[] directoryList = directoryRaw.Split("|".ToCharArray()); return directoryList; }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return new string[] { "" };
}

public string[] directoryListDetailed(string directory)
{
try
{
ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + directory);
ftpRequest.Credentials = new NetworkCredential(user, pass);
ftpRequest.UseBinary = true;
ftpRequest.UsePassive = true;
ftpRequest.KeepAlive = true;
ftpRequest.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
ftpStream = ftpResponse.GetResponseStream();
StreamReader ftpReader = new StreamReader(ftpStream);
string directoryRaw = null;
try { while (ftpReader.Peek() != -1) { directoryRaw += ftpReader.ReadLine() + "|"; } }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
ftpReader.Close();
ftpStream.Close();
ftpResponse.Close();
ftpRequest = null;
try { string[] directoryList = directoryRaw.Split("|".ToCharArray()); return directoryList; }
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
return new string[] { "" };
}
}

复制代码 代码如下:
ftp ftpClient = new ftp(@"ftp://10.10.10.10/", "user", "password");
ftpClient.upload("etc/test.txt", @"C:\Users\metastruct\Desktop\test.txt");
ftpClient.download("etc/test.txt", @"C:\Users\metastruct\Desktop\test.txt");
ftpClient.delete("etc/test.txt");
ftpClient.rename("etc/test.txt", "test2.txt");
ftpClient.createDirectory("etc/test");
string fileDateTime = ftpClient.getFileCreatedDateTime("etc/test.txt");
Console.WriteLine(fileDateTime);
string fileSize = ftpClient.getFileSize("etc/test.txt");
Console.WriteLine(fileSize);
string[] simpleDirectoryListing = ftpClient.directoryListDetailed("/etc");
for (int i = 0; i < simpleDirectoryListing.Count(); i++) { Console.WriteLine(simpleDirectoryListing[i]);
string[] detailDirectoryListing = ftpClient.directoryListDetailed("/etc");
for (int i = 0; i < detailDirectoryListing.Count(); i++) { Console.WriteLine(detailDirectoryListing[i]); }
ftpClient = null;