FTP Upload and download

Upload

FTPMG. Upload ("", DateTime.Now.ToString ("Yyyymmddhhmmss"));

Download

FTPMG. Download (@ "E:\", "Tt.txt", out errorinfo);

1   stringFtpserverip;2         stringFtpuserid;3         stringFTPPassword;4 ftpwebrequest reqftp;5         Private voidConnect (String Path)//Connect to FTP6         {7             //to create a FtpWebRequest object from a URI8Reqftp = (ftpwebrequest) ftpwebrequest.create (NewUri (path));9             //specifying data Transfer TypesTenReqftp.usebinary =true; One             //FTP user name and password AReqftp.credentials =NewNetworkCredential (Ftpuserid, FTPPassword); -         } -          PublicFtpmanager (stringFtpserverip,stringFtpuserid,stringFTPPassword) the         { -              This. Ftpserverip =Ftpserverip; -              This. Ftpuserid =Ftpuserid; -              This. FTPPassword =FTPPassword; +  -         } +       A  at        -  -          Public voidUpload (stringPathstringFileName//The above code implements the ability to upload files to an FTP server -         { -FileInfo Fileinf =NewFileInfo (filename); -             stringURI =""; in             if(Path! ="") -URI ="ftp://"+ Ftpserverip +"/"+ Path +"/"+Fileinf.name; to             Else +URI ="ftp://"+ Ftpserverip +"/"+Fileinf.name; -  the  *Connect (URI);//Connection $ Panax Notoginseng             //The default is true and the connection is not closed -             //is executed after a command theReqftp.keepalive =false; +  A             //specify what commands to execute theReqftp.method =WebRequestMethods.Ftp.UploadFile; +  -             //notifies server file size when uploading a file $Reqftp.contentlength =fileinf.length; $  -             //buffer size set to KB -             intBuffLength =2048; the  -             byte[] Buff =New byte[bufflength];Wuyi             intContentlen; the  -             //open a file stream (System.IO.FileStream) to read the uploaded file WuFileStream fs =Fileinf.openread (); -  AboutStream STRM =NULL; $             Try -             { -                 //write the uploaded file to the stream -STRM =Reqftp.getrequeststream (); A                 //KB per read file stream +Contentlen = fs. Read (Buff,0, bufflength); the  -                 //stream content does not end $                  while(Contentlen! =0) the                 { the                     //write content from file stream to upload stream theStrm. Write (Buff,0, Contentlen); the  -Contentlen = fs. Read (Buff,0, bufflength); in                 } the  the                 //Close two streams About STRM. Close (); the FS. Close (); the             } the             Catch(Exception ex) +             { -LOG.WRITELOGD ("Upload error:"+Ex. Message); the Console.WriteLine (ex. Message);Bayi                 Throwex; the             } the             finally -             { -  the FS. Close (); the             } the         } the  -          Public BOOLDownload (stringFilePath,stringFileName, out stringErrorInfo)/**/////The code above implements the ability to download files from an FTP server the         { the  the 94             Try the             { theString Onlyfilename =Path.getfilename (fileName); the                 stringNewFileName = FilePath +"\\"+Onlyfilename;98                 if(File.exists (newfilename)) About                 { -ErrorInfo =string. Format ("The local file {0} already exists and cannot be downloaded", newfilename);101                     return false;102 103                 }104                 stringURL ="ftp://"+ Ftpserverip +"/"+FileName; theConnect (URL);//Connection106 107Reqftp.credentials =NewNetworkCredential (Ftpuserid, FTPPassword);108 109FtpWebResponse response =(FtpWebResponse) reqftp.getresponse (); the 111Stream FtpStream =Response. GetResponseStream (); the 113                 LongCL =Response. ContentLength; the  the                 intBufferSize =2048; the 117                 intReadcount;118 119                 byte[] buffer =New byte[buffersize]; - 121Readcount = ftpstream.read (buffer,0, buffersize);122FileStream OutputStream =NewFileStream (NewFileName, filemode.create);123 124                  while(Readcount >0) the                 {126Outputstream.write (Buffer,0, readcount);127  -Readcount = ftpstream.read (buffer,0, buffersize);129                 } the 131 ftpstream.close (); the 133 outputstream.close ();134 135 Response. Close ();136ErrorInfo ="";137                 return true;138             }139             Catch(Exception ex) $             {141LOG.WRITELOGD ("Download Error:"+Ex. Message);142ErrorInfo =string. Format ("Unable to download because {0}", ex. Message);143                 return false;144             }145         }146       

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FTP Upload and download