如何使用FTPClient递归删除文件？

问题描述

FTPClient如何以递归方式删除包含文件的文件夹？

FTPClient How to recursively delete a folder with the files within?

推荐答案

public static void GetFTPFilesPath(string ftpAddress, string UserName, string Password)
        {

            FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(ftpAddress);

            try
            {
                reqFTP.UsePassive = true;
                reqFTP.UseBinary = true;
                reqFTP.KeepAlive = false;
                reqFTP.Credentials = new NetworkCredential(UserName, Password);
                reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();

                Stream responseStream = response.GetResponseStream();
                List<string> files = new List<string>();
                StreamReader reader = new StreamReader(responseStream);
                while (!reader.EndOfStream)
                    files.Add(reader.ReadLine());
                reader.Close();
                responseStream.Dispose();

                //Loop through the resulting file names.
                string ftpPath = string.Empty;
                foreach (var fileName in files)
                {
                    var parentDirectory = "";
                    PeriodicalFile lstFile = new PeriodicalFile();
                    //If the filename has an extension, then it actually is 
                    //a file            
                    if (fileName.Contains(".zip"))
                    {
                        ftpPath = ftpAddress + fileName;

                    }
                    else
                    {
                        //If the filename has no extension, then it is just a folder. 
                        //Run this method again as a recursion of the original:
                        parentDirectory += fileName + "/";
                        try
                        {
                            GetFTPFilesPath(ftpAddress + "/" + parentDirectory, UserName, Password);
                        }
                        catch (Exception ex)
                        {
                            ErrorLog.WriteLog("ftpFileProcessing", "GetFTPFilesPath(Else)", ex.Message, ex.StackTrace, "");
                        }
                    }
                }

            }


            catch (Exception excpt)
            {

                reqFTP.Abort();
                ErrorLog.WriteLog("ftpFileProcessing", "GetFTPFilesPath", excpt.Message, excpt.StackTrace, "");

            }



        }

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