public class FtpWeb{    string ftpRemotePath;    string ftpUserID;    string ftpPassword;    string ftpURI;    string ftpServerIP;         ///     /// 连接FTP    ///     /// FTP连接地址    /// 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    /// 用户名    /// 密码    public FtpWeb(string FtpServerIP, string FtpUserID, string FtpPassword)    {        ftpServerIP = FtpServerIP;        ftpUserID = FtpUserID;        ftpPassword = FtpPassword;        ftpURI = FtpServerIP + "/";    }         ///     /// 上传    ///     ///     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)        {            throw ex;        }    }    ///     /// 上传    ///     ///     public void Upload2(string ftpuri, string filename)    {        FileInfo fileInf = new FileInfo(filename);        string uri = ftpuri;        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)        {            throw ex;        }    }    ///     /// 下载    ///     ///     ///     public void Download(string filePath, string ftpUri, string fileName)    {        FtpWebRequest reqFTP;        try        {            FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpUri));            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)        {            throw ex;        }    }              ///     /// 删除文件    ///     ///     public void Delete(string fileName)    {        try        {            string uri = 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)        {            throw ex;        }    }         ///     /// 删除文件夹    ///     ///     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)        {            throw ex;        }    }         ///     /// 获取当前目录下明细(包含文件和文件夹)    ///     /// 
public string[] GetFilesDetailList() { string[] downloadFiles; try { StringBuilder result = new StringBuilder(); FtpWebRequest ftp; ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI)); ftp.Credentials = new NetworkCredential(ftpUserID, ftpPassword); ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails; WebResponse response = ftp.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default); string 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; throw ex; } } /// /// 获取当前目录下文件列表(仅文件) /// ///
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; throw ex; } } /// /// 获取当前目录下所有的文件夹列表(仅文件夹) /// ///
public string[] GetDirectoryList() { string[] drectory = GetFilesDetailList(); string m = string.Empty; foreach (string str in drectory) { int dirPos = str.IndexOf("
"); 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(54).Trim(); if (dir != "." && dir != "..") { m += dir + "\n"; } } } char[] n = new char[] { '\n' }; return m.Split(n); } ///
/// 判断当前目录下指定的子目录是否存在 /// ///
指定的目录名 public bool DirectoryExist(string RemoteDirectoryName) { try { string[] dirList = GetDirectoryList(); foreach (string str in dirList) { if (str.Trim() == RemoteDirectoryName.Trim()) { return true; } } return false; } catch { return false; } } ///
/// 判断当前目录下指定的文件是否存在 /// ///
远程文件名 public bool FileExist(string RemoteFileName) { string[] fileList = GetFileList("*.*"); foreach (string str in fileList) { if (str.Trim() == RemoteFileName.Trim()) { return true; } } return false; } ///
/// 创建文件夹 /// ///
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) { throw ex; } } ///
/// 获取指定文件大小 /// ///
///
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) { throw ex; } return fileSize; } ///
/// 改名 /// ///
///
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) { throw ex; } } ///
/// 移动文件 /// ///
///
public void MovieFile(string currentFilename, string newDirectory) { ReName(currentFilename, newDirectory); } ///
/// 切换当前目录 /// ///
///
true 绝对路径 false 相对路径 public void GotoDirectory(string DirectoryName, bool IsRoot) { if (IsRoot) { ftpRemotePath = DirectoryName; } else { ftpRemotePath += DirectoryName + "/"; } ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/"; }}