c# *** 作ftp类分享_C

概述复制代码代码如下:classftp{ privatestringhost=null; privatestringuser=null; privatestringpass=null; privateFtpWebRequestftpRequest=nu

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,bufferSize);
            try
            {
                while (bytesRead > 0)
                {
                    localfileStream.Write(byteBuffer,bytesRead);
                    bytesRead = ftpStream.Read(byteBuffer,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,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,bufferSize);
            try
            {
                while (bytesSent != 0)
                {
                    ftpStream.Write(byteBuffer,bytesSent);
                    bytesSent = localfileStream.Read(byteBuffer,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;