Ubuntu vsftp搭建和C# Winform FTP操作

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说明:学生作业(个人经验仅供参考):

1. Windows下虚拟机Ubuntu 14.04 搭架vsftp

 1.1 查看虚拟机与本机是否能ping通

这里虚拟机和本机网络的连接方式是桥接模式。首先通过ipconfig(windows)、ifconfig(ubuntu)得到机子的ip地址,然后查看是否能够pingt通
windows ping ubuntu

ubuntu ping windows


有些情况下windows能够ping通ubuntu,但是ubuntu ping不通windows,可能是windows的防火墙设置有问题,我找到的解决办法是

允许选中框中的条目

 1.2 ubuntu搭建vsftp

在ubuntu上安装vsftp,后面的d代表的是这个程序会在开机的时候就启动直到关机
sudo apt-get install vsftpd

编辑vsftp的配置文件,保险起见在配置之前先将配置文件备份
cp etc/vsftpd.conf /home/xxx/Desktop/vsdtpd.conf.backsudo vim vsftpd.conf
 
之后配置vsftp,这是最关键的部分,配置稍微有问题就会出错
#禁止匿名访问anonymous_enable=NO#接受本地用户local_enable=YES#允许上传write_enable=YES#用户只能访问限制的目录chroot_local_user=YES#设置固定目录,在结尾添加。如果不添加这一行,各用户对应自己的目录,当然这个文件夹自己建local_root=/home/ftp


重启ftp
sudo service vsftpd restart
添加ftp用户名和密码 /home/ftp为我设置的ftp目录,目录设置不一样会530错误+_+||
源自:http://blog.sina.com.cn/s/blog_7880d3350102vvlb.html
sudo useradd -d /home/ftp -M ftp
sudo password ftp
参考:
http://www.2cto.com/os/201409/336555.html



2. Winform下对FTP操作

这里附上我使用的ftp操作类,我这里使用递归将FTP目录下的文件和文件名显示在c# treeview中
FTP操作的我是在http://www.cnblogs.com/swtseaman/archive/2011/03/29/1998611.html找的,但是根据项目修改了部分
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Globalization;using System.Windows.Forms;using System.Net;using System.IO;namespace exam4{    class FTPlib    {        public class FtpWeb        {            string ftpServerIP;            string ftpRemotePath;            string ftpUserID;            string ftpPassword;            string ftpURI;            public String FtpURI            {                get                 {                    return ftpURI;                }                //不留set属性            }            /// <summary>            /// 连接FTP            /// </summary>            /// <param name="FtpServerIP">FTP连接地址</param>            /// <param name="FtpRemotePath">指定FTP连接成功后的当前目录, 如果不指定即默认为根目录</param>            /// <param name="FtpUserID">用户名</param>            /// <param name="FtpPassword">密码</param>            public FtpWeb(string FtpServerIP, string FtpRemotePath, string FtpUserID, string FtpPassword)            {                ftpServerIP = FtpServerIP;                ftpRemotePath = FtpRemotePath;                ftpUserID = FtpUserID;                ftpPassword = FtpPassword;                ftpURI = ftpServerIP + "/" /*+ ftpRemotePath + "/"*/;            }            /// <summary>            /// 上传            /// </summary>            /// <param name="filename"></param>            public void Upload(string filename)            {                FileInfo fileInf = new FileInfo(filename);                string uri = ftpURI + fileInf.Name;                FtpWebRequest reqFTP;                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                reqFTP.KeepAlive = false;                reqFTP.Method = WebRequestMethods.Ftp.UploadFile;                reqFTP.UseBinary = true;                reqFTP.ContentLength = fileInf.Length;                int buffLength = 2048;                byte[] buff = new byte[buffLength];                int contentLen;                FileStream fs = fileInf.OpenRead();                try                {                    Stream strm = reqFTP.GetRequestStream();                    contentLen = fs.Read(buff, 0, buffLength);                    while (contentLen != 0)                    {                        strm.Write(buff, 0, contentLen);                        contentLen = fs.Read(buff, 0, buffLength);                    }                    strm.Close();                    fs.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "Upload Error --> " + ex.Message);                }            }            /// <summary>            /// 下载            /// </summary>            /// <param name="filePath"></param>            /// <param name="fileName"></param>            public void Download(string filePath, String path, string fileName)            {                FtpWebRequest reqFTP;                try                {                    FileStream outputStream = new FileStream(filePath + "" + fileName, FileMode.Create);                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + path));                    reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;                    reqFTP.UseBinary = true;                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    Stream ftpStream = response.GetResponseStream();                    long cl = response.ContentLength;                    int bufferSize = 2048;                    int readCount;                    byte[] buffer = new byte[bufferSize];                    readCount = ftpStream.Read(buffer, 0, bufferSize);                    while (readCount > 0)                    {                        outputStream.Write(buffer, 0, readCount);                        readCount = ftpStream.Read(buffer, 0, bufferSize);                    }                    ftpStream.Close();                    outputStream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "Download Error --> " + ex.Message);                }            }            /// <summary>            /// 删除文件            /// </summary>            /// <param name="fileName"></param>            public void Delete(string fileName)            {                try                {                    string uri = ftpURI + fileName;                    FtpWebRequest reqFTP;                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    reqFTP.KeepAlive = false;                    reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;                    string result = String.Empty;                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    long size = response.ContentLength;                    Stream datastream = response.GetResponseStream();                    StreamReader sr = new StreamReader(datastream);                    result = sr.ReadToEnd();                    sr.Close();                    datastream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "Delete Error --> " + ex.Message + "  文件名:" + fileName);                }            }            /// <summary>            /// 删除文件夹            /// </summary>            /// <param name="folderName"></param>            public void RemoveDirectory(string folderName)            {                try                {                    string uri = ftpURI + folderName;                    FtpWebRequest reqFTP;                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    reqFTP.KeepAlive = false;                    reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;                    string result = String.Empty;                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    long size = response.ContentLength;                    Stream datastream = response.GetResponseStream();                    StreamReader sr = new StreamReader(datastream);                    result = sr.ReadToEnd();                    sr.Close();                    datastream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "Delete Error --> " + ex.Message + "  文件名:" + folderName);                }            }            /// <summary>            /// 获取当前目录下明细(包含文件和文件夹)            /// </summary>            /// <returns></returns>            public string[] GetFilesDetailList(String filename)            {                string[] downloadFiles;                try                {                    StringBuilder result = new StringBuilder();                    FtpWebRequest ftp;                    ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI+filename));                    ftp.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;                    WebResponse response = ftp.GetResponse();                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);                    //while (reader.Read() > 0)                    //{                    //}                    string line = reader.ReadLine();                    //line = reader.ReadLine();                    //line = reader.ReadLine();                    while (line != null)                    {                        result.Append(line);                        result.Append("\n");                        line = reader.ReadLine();                    }                    result.Remove(result.ToString().LastIndexOf("\n"), 1);                    reader.Close();                    response.Close();                    return result.ToString().Split('\n');                }                catch (Exception ex)                {                    downloadFiles = null;                    //MessageBox.Show("连接FTP获取根目录下文件列表出错了", "ERROR", MessageBoxButtons.OK,                       // MessageBoxIcon.Error);                    Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message);                    return downloadFiles;                }            }            /// <summary>            /// 获取当前目录下文件列表(仅文件)            /// </summary>            /// <returns></returns>            public string[] GetFileList(string mask)            {                string[] downloadFiles;                StringBuilder result = new StringBuilder();                FtpWebRequest reqFTP;                try                {                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));                    reqFTP.UseBinary = true;                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;                    WebResponse response = reqFTP.GetResponse();                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);                    string line = reader.ReadLine();                    while (line != null)                    {                        if (mask.Trim() != string.Empty && mask.Trim() != "*.*")                        {                            string mask_ = mask.Substring(0, mask.IndexOf("*"));                            if (line.Substring(0, mask_.Length) == mask_)                            {                                result.Append(line);                                result.Append("\n");                            }                        }                        else                        {                            result.Append(line);                            result.Append("\n");                        }                        line = reader.ReadLine();                    }                    result.Remove(result.ToString().LastIndexOf('\n'), 1);                    reader.Close();                    response.Close();                    return result.ToString().Split('\n');                }                catch (Exception ex)                {                    downloadFiles = null;                    if (ex.Message.Trim() != "远程服务器返回错误: (550) 文件不可用(例如,未找到文件,无法访问文件)。")                    {                        Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFileList Error --> " + ex.Message.ToString());                    }                    return downloadFiles;                }            }            /// <summary>            /// 获取当前目录下所有的文件夹列表(仅文件夹)            /// </summary>            /// <returns></returns>            public string[] GetDirectoryList(String filename)            {                string[] drectory = GetFilesDetailList(filename);                string m = string.Empty;                foreach (string str in drectory)                {                    int dirPos = str.IndexOf("<DIR>");                    if (dirPos > 0)                    {                        /*判断 Windows 风格*/                        m += str.Substring(dirPos + 5).Trim() + "\n";                    }                    else if (str.Trim().Substring(0, 1).ToUpper() == "D")                    {                        /*判断 Unix 风格*/                        string dir = str.Substring(56).Trim();                        if (dir != "." && dir != "..")                        {                            m += dir + "\n";                        }                    }                }                char[] n = new char[] { '\n' };                return m.Split(n);            }            /// <summary>            /// 判断当前目录下指定的子目录是否存在            /// </summary>            /// <param name="RemoteDirectoryName">指定的目录名</param>            public bool DirectoryExist(string RemoteDirectoryName)            {                string[] dirList = GetDirectoryList("");                foreach (string str in dirList)                {                    if (str.Trim() == RemoteDirectoryName.Trim())                    {                        return true;                    }                }                return false;            }            /// <summary>            /// 判断当前目录下指定的文件是否存在            /// </summary>            /// <param name="RemoteFileName">远程文件名</param>            public bool FileExist(string RemoteFileName)            {                string[] fileList = GetFileList("*.*");                foreach (string str in fileList)                {                    if (str.Trim() == RemoteFileName.Trim())                    {                        return true;                    }                }                return false;            }            /// <summary>            /// 创建文件夹            /// </summary>            /// <param name="dirName"></param>            public void MakeDir(string dirName)            {                FtpWebRequest reqFTP;                try                {                    // dirName = name of the directory to create.                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + dirName));                    reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;                    reqFTP.UseBinary = true;                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    Stream ftpStream = response.GetResponseStream();                    ftpStream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "MakeDir Error --> " + ex.Message);                }            }            /// <summary>            /// 获取指定文件大小            /// </summary>            /// <param name="filename"></param>            /// <returns></returns>            public long GetFileSize(string filename)            {                FtpWebRequest reqFTP;                long fileSize = 0;                try                {                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + filename));                    reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;                    reqFTP.UseBinary = true;                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    Stream ftpStream = response.GetResponseStream();                    fileSize = response.ContentLength;                    ftpStream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFileSize Error --> " + ex.Message);                }                return fileSize;            }            /// <summary>            /// 改名            /// </summary>            /// <param name="currentFilename"></param>            /// <param name="newFilename"></param>            public void ReName(string currentFilename, string newFilename)            {                FtpWebRequest reqFTP;                try                {                    reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + currentFilename));                    reqFTP.Method = WebRequestMethods.Ftp.Rename;                    reqFTP.RenameTo = newFilename;                    reqFTP.UseBinary = true;                    reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);                    FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                    Stream ftpStream = response.GetResponseStream();                    ftpStream.Close();                    response.Close();                }                catch (Exception ex)                {                    Insert_Standard_ErrorLog.Insert("FtpWeb", "ReName Error --> " + ex.Message);                }            }            /// <summary>            /// 移动文件            /// </summary>            /// <param name="currentFilename"></param>            /// <param name="newFilename"></param>            public void MovieFile(string currentFilename, string newDirectory)            {                ReName(currentFilename, newDirectory);            }            /// <summary>            /// 切换当前目录            /// </summary>            /// <param name="DirectoryName"></param>            /// <param name="IsRoot">true 绝对路径   false 相对路径</param>            public void GotoDirectory(string DirectoryName, bool IsRoot)            {                if (IsRoot)                {                    ftpRemotePath = DirectoryName;                }                else                {                    ftpRemotePath += DirectoryName + "/";                }                ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";            }            /// <summary>            /// 删除订单目录            /// </summary>            /// <param name="ftpServerIP">FTP 主机地址</param>            /// <param name="folderToDelete">FTP 用户名</param>            /// <param name="ftpUserID">FTP 用户名</param>            /// <param name="ftpPassword">FTP 密码</param>            public static void DeleteOrderDirectory(string ftpServerIP, string folderToDelete, string ftpUserID, string ftpPassword)            {                try                {                    if (!string.IsNullOrEmpty(ftpServerIP) && !string.IsNullOrEmpty(folderToDelete) && !string.IsNullOrEmpty(ftpUserID) && !string.IsNullOrEmpty(ftpPassword))                    {                        FtpWeb fw = new FtpWeb(ftpServerIP, folderToDelete, ftpUserID, ftpPassword);                        //进入订单目录                        fw.GotoDirectory(folderToDelete, true);                        //获取规格目录                        string[] folders = fw.GetDirectoryList("");                        foreach (string folder in folders)                        {                            if (!string.IsNullOrEmpty(folder) || folder != "")                            {                                //进入订单目录                                string subFolder = folderToDelete + "/" + folder;                                fw.GotoDirectory(subFolder, true);                                //获取文件列表                                string[] files = fw.GetFileList("*.*");                                if (files != null)                                {                                    //删除文件                                    foreach (string file in files)                                    {                                        fw.Delete(file);                                    }                                }                                //删除冲印规格文件夹                                fw.GotoDirectory(folderToDelete, true);                                fw.RemoveDirectory(folder);                            }                        }                        //删除订单文件夹                        string parentFolder = folderToDelete.Remove(folderToDelete.LastIndexOf('/'));                        string orderFolder = folderToDelete.Substring(folderToDelete.LastIndexOf('/') + 1);                        fw.GotoDirectory(parentFolder, true);                        fw.RemoveDirectory(orderFolder);                    }                    else                    {                        throw new Exception("FTP 及路径不能为空!");                    }                }                catch (Exception ex)                {                    throw new Exception("删除订单时发生错误,错误信息为:" + ex.Message);                }            }        }        public class Insert_Standard_ErrorLog        {            public static void Insert(string x, string y)            {            }        }    }}
原作者GetDirectoryList()截取字符的位置应该是56不是54
递归
TreeNode rootnode = GetFileTree();treeView1.Nodes.Add(rootnode);

        //创建文件树结构        public TreeNode GetFileTree()        {            TreeNode RootNode = new TreeNode();            RootNode.Text = "FTP file";            RootNode.ImageIndex = 1;            RootNode.SelectedImageIndex = 1;            String[] FTPfile_detail = FTPserver.GetFilesDetailList("");            foreach (String temp in FTPfile_detail)            {                //对于是文件夹的情况                if (temp.Trim().Substring(0, 1).ToUpper() == "D")                {                    TreeNode node = new TreeNode();                    node.Text = temp.Trim().Substring(56);                    node.ImageIndex = 1;                    node.SelectedImageIndex = 1;                    Create_filemap(ref node, "", temp.Trim().Substring(56));                    RootNode.Nodes.Add(node);                }                else //对于文件的情况                {                    TreeNode node = new TreeNode();                    node.Text = temp.Trim().Substring(56);                    node.ImageIndex = 0;                    node.SelectedImageIndex = 0;                    RootNode.Nodes.Add(node);                }            }            return RootNode;        }        //递归调用产生文件目录        public bool Create_filemap(ref TreeNode sub_rootnode, String current_path, String folder_name)        {            if (null == sub_rootnode)            {                MessageBox.Show("传递的树节点为空", "ERROR", MessageBoxButtons.OK,                    MessageBoxIcon.Error);                return false;            }            current_path = current_path + folder_name + "/";            String[] FTPfile_detail = FTPserver.GetFilesDetailList(current_path);            if(null != FTPfile_detail)            {                foreach (String temp in FTPfile_detail)                {                    //对于是文件夹的情况                    if (temp.Trim().Substring(0, 1).ToUpper() == "D")                    {                        TreeNode node = new TreeNode();                        node.Text = temp.Trim().Substring(56);                        node.ImageIndex = 1;                        node.SelectedImageIndex = 1;                        Create_filemap(ref node, current_path, temp.Trim().Substring(56));                        sub_rootnode.Nodes.Add(node);                    }                    else    //对于文件的情况                    {                        TreeNode node = new TreeNode();                        node.Text = temp.Trim().Substring(56);                        node.ImageIndex = 0;                        node.SelectedImageIndex = 0;                        sub_rootnode.Nodes.Add(node);                    }                }            }            return true;        }



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