c# 代码操作ftp服务器文件
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给大家分享一个我最近使用c#代码操作ftp服务器的代码示例: 基础类的构造函数和属性 public abstract class FtpOperation { /// <summary> /// FTP服务器地址 /// </summary> private string ftpServer;
/// <summary> /// 用户名 /// </summary> private string userName;
/// <summary> /// 密码 /// </summary> private string passWord;
/// <summary> /// FTPHelper类的构造函数 /// </summary> /// <param name="ftpServer">FTP服务器地址</param> /// <param name="userName">用户名</param> /// <param name="passWord">密码</param> public FtpOperation(string ftpServer, string userName, string passWord) { this.ftpServer = ftpServer; this.userName = userName; this.passWord = passWord; }
/// <summary> /// 执行FTP操作的方法 /// </summary> /// <param name="action">要执行的操作</param> private void ExecuteFtpOperation(Action action) { try { action.Invoke(); } catch (WebException ex) { if (ex.Status == WebExceptionStatus.Timeout) { Console.WriteLine("连接超时。"); } else { Console.WriteLine("发生错误 WebException: {0}", ex.Message); } } catch (Exception ex) { Console.WriteLine("发生错误: {0}", ex.Message); } } } } /// <summary> /// 执行FTP操作的方法 /// </summary> /// <param name="action">要执行的操作</param> private void ExecuteFtpOperation(Action action) { try { action.Invoke(); } catch (WebException ex) { if (ex.Status == WebExceptionStatus.Timeout) { Console.WriteLine("连接超时。"); } else { Console.WriteLine("发生错误 WebException: {0}", ex.Message); } } catch (Exception ex) { Console.WriteLine("发生错误: {0}", ex.Message); } } #region 文件查询 /// <summary> /// 递归查询FTP服务器上所有文件和目录 /// </summary> /// <param name="ftpDirectoryPath">要查询的目录路径</param> public virtual List<FileInfo> RecursiveQueryAll(string ftpDirectoryPath = "") { List<FileInfo> list = new List<FileInfo>(); ExecuteFtpOperation(() => { List<FileInfo> currentList = QueryAll(ftpDirectoryPath); list.AddRange(currentList); foreach (var fileInfo in currentList) { if (fileInfo.FileType == "Folder") { // 如果是文件夹,递归查询 List<FileInfo> subList = RecursiveQueryAll(ftpDirectoryPath + "/" + fileInfo.FileName); list.AddRange(subList); } } }); return list; } /// <summary> /// 查询FTP服务器上所有文件和目录 /// </summary> /// <param name="ftpDirectoryPath">要查询的目录路径</param> public virtual List<FileInfo> QueryAll(string ftpDirectoryPath = "") { List<FileInfo> list = new List<FileInfo>(); ExecuteFtpOperation(() => { FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + ftpDirectoryPath); request.Method = WebRequestMethods.Ftp.ListDirectoryDetails; request.Credentials = new NetworkCredential(userName, passWord); request.Timeout = 5000; using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { //Console.WriteLine("状态: {0}", response.StatusDescription); using (var responseStream = response.GetResponseStream()) { if (responseStream != null) { using (var reader = new StreamReader(responseStream)) { string line = reader.ReadLine(); while (!string.IsNullOrEmpty(line)) { list.AddRange(ParseFTPFileList(line)); line = reader.ReadLine(); } } } } } }); return list; } /// <summary> /// 解析FTP服务器返回的文件列表信息,将其转换为FileInfo对象列表 /// </summary> /// <param name="ftpFileList">FTP服务器返回的文件列表信息</param> /// <returns>包含文件信息的FileInfo对象列表</returns> public virtual List<FileInfo> ParseFTPFileList(string ftpFileList) { // 解析FTP返回的文件列表信息并返回FileInfo对象列表 List<FileInfo> filesInfo = new List<FileInfo>(); // 按行分割FTP文件列表信息 string[] lines = ftpFileList.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries); foreach (string line in lines) { // 按空格分割行信息 string[] parts = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); if (parts.Length >= 4) { string lastModifiedDateStr = parts[0] + " " + parts[1]; string format = "MM-dd-yy hh:mmtt"; // 指定日期时间的确切格式 DateTime lastModifiedDate; DateTime.TryParseExact(lastModifiedDateStr, format, System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out lastModifiedDate); // 提取文件大小信息 string fileSizeStr = parts[2]; long fileSize; string fileType = "Folder"; string fileName = string.Join(" ", parts, 3, parts.Length - 3); if (fileSizeStr.Contains("DIR")) { fileSize = 0; } else { fileType = Path.GetExtension(fileName); fileSize = Convert.ToInt64(fileSizeStr); } FileInfo fileInfo = new FileInfo(lastModifiedDate, fileSize, fileType, fileName); filesInfo.Add(fileInfo); } } return filesInfo; } #endregion #region 判断FTP服务器上是否存在指定文件夹 && 在FTP服务器上创建文件夹 &&删除FTP服务器上的空文件夹 /// <summary> /// 判断FTP服务器上是否存在指定文件夹 /// </summary> /// <param name="directoryPath">要检查的文件夹路径</param> /// <returns>文件夹是否存在的布尔值</returns> public virtual bool FtpDirectoryExists(string directoryPath) { FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + directoryPath); request.Credentials = new NetworkCredential(userName, passWord); request.Method = WebRequestMethods.Ftp.ListDirectory; try { FtpWebResponse response = (FtpWebResponse)request.GetResponse(); response.Close(); return true; } catch (WebException ex) { FtpWebResponse response = (FtpWebResponse)ex.Response; if (response.StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable) { return false; } throw; } } /// <summary> /// 在FTP服务器上创建文件夹 /// </summary> /// <param name="folderName">要创建的文件夹名称</param> public virtual void FtpCreateDirectory(string folderName) { ExecuteFtpOperation(() => { string[] pathArray = folderName.Split('/'); var tempPath = ""; foreach (var path in pathArray) { if (path == "") { continue; } tempPath += path + "/"; if (FtpDirectoryExists(tempPath)) { continue; } FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + tempPath); request.Method = WebRequestMethods.Ftp.MakeDirectory; request.Credentials = new NetworkCredential(userName, passWord); using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件夹{path}创建成功。"); } } }); } /// <summary> /// 删除FTP服务器上的空文件夹 /// </summary> /// <param name="ftpFolderPath">FTP服务器上的空文件夹路径</param> public virtual void FtpDeleteFolder(string ftpFolderPath) { ExecuteFtpOperation(() => { if (string.IsNullOrEmpty(ftpFolderPath)) { return; } // 连接到 FTP 服务器 FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + ftpFolderPath); request.Credentials = new NetworkCredential(userName, passWord); request.Method = WebRequestMethods.Ftp.RemoveDirectory; using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件夹{new DirectoryInfo(ftpFolderPath).Name}删除成功!"); } }); } #endregion #region 文件、文件夹删除 /// <summary> /// 删除FTP服务器指定路径下的多个文件 /// </summary> /// <param name="directoryPath">要删除文件的目录路径</param> /// <param name="fileNames">要删除的文件名数组</param> public virtual void FtpDeleteFiles(string directoryPath, string[] fileNames) { ExecuteFtpOperation(() => { foreach (var fileName in fileNames) { FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + directoryPath + "/" + fileName); request.Method = WebRequestMethods.Ftp.DeleteFile; request.Credentials = new NetworkCredential(userName, passWord); using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件 '{fileName}' 删除成功。"); } } }); } /// <summary> /// 递归删除FTP服务器上的文件夹及其内容 /// </summary> /// <param name="directoryPath">要删除的文件夹路径</param> public virtual void FtpDeleteFolders(string directoryPath) { ExecuteFtpOperation(() => { if (!FtpDirectoryExists(directoryPath)) { Console.WriteLine($"{directoryPath} 不存在!"); return; } // 获取文件夹内所有文件和子文件夹 var fileList = QueryAll(directoryPath); foreach (var fileInfo in fileList) { // 删除文件 FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + directoryPath + "/" + fileInfo.FileName); request.Method = WebRequestMethods.Ftp.DeleteFile; request.Credentials = new NetworkCredential(userName, passWord); // 如果是文件夹,递归删除 if (fileInfo.FileType == "Folder") { FtpDeleteFolders(directoryPath + "/" + fileInfo.FileName); } else { using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件 '{fileInfo.FileName}' 删除成功。"); } } } // 删除空文件夹 FtpDeleteFolder(directoryPath); }); } #endregion #region 文件移动 /// <summary> /// 移动FTP服务器上的多个文件 /// </summary> /// <param name="sourceDirectoryPath">源文件目录路径</param> /// <param name="destinationDirectoryPath">目标文件目录路径</param> /// <param name="fileNames">要移动的文件名数组</param> public virtual void FtpMoveFiles(string sourceDirectoryPath, string destinationDirectoryPath, string[] fileNames) { ExecuteFtpOperation(() => { if (!FtpDirectoryExists(sourceDirectoryPath)) { Console.WriteLine($"{sourceDirectoryPath} 目录不存在!"); return; } if (!FtpDirectoryExists(destinationDirectoryPath)) { FtpCreateDirectory(destinationDirectoryPath); } foreach (var fileName in fileNames) { FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + sourceDirectoryPath + "/" + fileName); request.Method = WebRequestMethods.Ftp.Rename; request.Credentials = new NetworkCredential(userName, passWord); request.RenameTo = destinationDirectoryPath + "/" + fileName; using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件 '{fileName}' 移动成功。"); } } }); } /// <summary> /// 移动整个文件夹到目标位置 /// </summary> /// <param name="sourceDirectoryPath">源文件夹路径</param> /// <param name="destinationDirectoryPath">目标文件夹路径</param> public virtual void FtpMoveFolder(string sourceDirectoryPath, string destinationDirectoryPath) { ExecuteFtpOperation(() => { if (!FtpDirectoryExists(sourceDirectoryPath)) { Console.WriteLine($"{sourceDirectoryPath} 目录不存在!"); return; } //destinationDirectoryPath = destinationDirectoryPath + "/" + new DirectoryInfo(sourceDirectoryPath).Name;//解决移动后源文件夹丢失的问题 // 创建目标文件夹 if (!FtpDirectoryExists(destinationDirectoryPath)) { FtpCreateDirectory(destinationDirectoryPath); } // 获取源文件夹内所有文件和子文件夹 var fileList = QueryAll(sourceDirectoryPath); foreach (var fileInfo in fileList) { // 构建源文件和目标文件的完整路径 string sourcePath = sourceDirectoryPath + "/" + fileInfo.FileName; string destinationPath = destinationDirectoryPath + "/" + fileInfo.FileName; // 如果是文件夹,递归移动 if (fileInfo.FileType == "Folder") { FtpMoveFolder(sourcePath, destinationPath); } else { // 创建源文件的FTP请求 FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpServer + sourcePath); request.Method = WebRequestMethods.Ftp.Rename; // 使用重命名操作实现移动 request.Credentials = new NetworkCredential(userName, passWord); request.RenameTo = destinationPath; // 设置重命名目标路径 // 发起请求并获取响应 using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { Console.WriteLine($"文件 '{fileInfo.FileName}' 移动成功。"); } } } if (!string.IsNullOrEmpty(sourceDirectoryPath)) { // 删除源文件夹 FtpDeleteFolder(sourceDirectoryPath); }
}); } #endregion #region 文件上传【文件批量上传&&文件夹上传】 /// <summary> /// 上传文件到FTP服务器 /// </summary> /// <param name="filePath">要上传的文件路径</param> /// <param name="directoryPath">目标文件夹路径</param> public virtual void FtpUploadFile(string filePath, string directoryPath = "") { ExecuteFtpOperation(() => { if (!FtpDirectoryExists(directoryPath)) { FtpCreateDirectory(directoryPath); } using (WebClient client = new WebClient()) { client.Credentials = new NetworkCredential(userName, passWord); ; client.UploadFile(ftpServer + directoryPath + "/" + Path.GetFileName(filePath), WebRequestMethods.Ftp.UploadFile, filePath); Console.WriteLine($"{filePath}文件上传成功。"); } }); } /// <summary> /// 递归上传文件夹到FTP服务器 /// </summary> /// <param name="localFolderPath">本地文件夹路径</param> /// <param name="ftpDirectoryPath">FTP服务器目标文件夹路径</param> public virtual void FtpUploadFolder(string localFolderPath, string ftpDirectoryPath) { // 检查本地文件夹是否存在 if (!Directory.Exists(localFolderPath)) { Console.WriteLine("本地文件夹不存在。"); return; } // 获取文件夹名称 string folderName = new DirectoryInfo(localFolderPath).Name; // 构建FTP服务器上的目标路径 string rootPath = (string.IsNullOrEmpty(ftpDirectoryPath) ? "" : ftpDirectoryPath + "/"); // 如果目标文件夹在FTP服务器上不存在,则创建 if (!FtpDirectoryExists(rootPath + folderName)) { FtpCreateDirectory(rootPath + folderName); } // 获取文件夹中的所有文件 string[] files = Directory.GetFiles(localFolderPath); // 逐个上传文件 foreach (string file in files) { FtpUploadFile(file, rootPath + folderName); } // 获取文件夹中的所有子文件夹 string[] subDirectories = Directory.GetDirectories(localFolderPath); // 逐个处理子文件夹 foreach (string subDirectory in subDirectories) { // 递归上传子文件夹 FtpUploadFolder(subDirectory, rootPath + folderName); } Console.WriteLine($"{localFolderPath} 文件夹上传成功。"); } /// <summary> /// 上传多个文件夹到FTP服务器 /// </summary> /// <param name="filePath">要上传的文件夹路径</param> /// <param name="ftpDirectoryPath">目标文件夹路径</param> public virtual void FtpUploadFolders(string[] localDirectories, string ftpDirectoryPath = "") { foreach (string localDirectory in localDirectories) { FtpUploadFolder(localDirectory, ftpDirectoryPath); } } #endregion #region 文件下载 /// <summary> /// 从FTP服务器下载文件到本地 /// </summary> /// <param name="remoteFilePaths">要下载的远程文件路径数组</param> /// <param name="localDirectory">本地目录路径</param> public virtual void FtpDownloadFile(string[] remoteFilePaths, string localDirectory) { ExecuteFtpOperation(() => { // 检查本地路径是否存在,如果不存在则创建 if (!Directory.Exists(localDirectory)) { Directory.CreateDirectory(localDirectory); } using (WebClient client = new WebClient()) { client.Credentials = new NetworkCredential(userName, passWord); foreach (var remoteFilePath in remoteFilePaths) { string fileName = remoteFilePath.Substring(remoteFilePath.LastIndexOf("/") + 1); string localFilePath = Path.Combine(localDirectory, fileName); try { client.DownloadFile(ftpServer + remoteFilePath, localFilePath); Console.WriteLine($"文件 '{fileName}' 下载成功。"); } catch (WebException ex) { Console.WriteLine($"下载文件 '{fileName}' 时出错: {ex.Message}"); // Handle the exception as needed } } } }); } /// <summary> /// 递归从FTP服务器下载文件夹到本地 /// </summary> /// <param name="remoteDirectoryPath">要下载的远程文件夹路径</param> /// <param name="localDirectory">本地目录路径</param> public virtual void FtpDownloadFolder(string remoteDirectoryPath, string localDirectory) { ExecuteFtpOperation(() => { // 检查本地路径是否存在,如果不存在则创建 if (!Directory.Exists(localDirectory)) { Directory.CreateDirectory(localDirectory); } // 获取远程文件夹内所有文件和子文件夹 var fileList = QueryAll(remoteDirectoryPath); foreach (var fileInfo in fileList) { string remotePath = remoteDirectoryPath + "/" + fileInfo.FileName; string localPath = Path.Combine(localDirectory, fileInfo.FileName); if (fileInfo.FileType == "Folder") { // 如果是文件夹,递归下载 string newLocalDirectory = Path.Combine(localDirectory, fileInfo.FileName); Directory.CreateDirectory(newLocalDirectory); FtpDownloadFolder(remotePath, newLocalDirectory); } else { // 如果是文件,下载到本地 using (WebClient client = new WebClient()) { client.Credentials = new NetworkCredential(userName, passWord); client.DownloadFile(ftpServer + remotePath, localPath); Console.WriteLine($"文件 '{fileInfo.FileName}' 下载成功。"); } } } }); } #endregion FtpOperation 中其他的方法 调用 // FTP 服务器地址 string ftpServer = "ftp://127.0.0.1:27/"; // FTP 服务器用户名 string userName = "Administrator"; // FTP 服务器密码 string password = "admin"; FtpTest ftp = new FtpTest(ftpServer, userName, password); //ftp.QueryAll("/Template"); //查询 ftp.FtpDeleteFolders("");//删除所有 ftp.FtpUploadFolder("e:\\CoaTemplate", "");//将文件夹的内容上传到根目录 ftp.FtpUploadFolder(@"D:\GitCode\Blog.Core", "/gitCode/Blog.Core");//将本地文件夹的内容上传到指定目录 var data = ftp.RecursiveQueryAll("");//查询所有文件信息 ftp.FtpMoveFolder("/Template", "/1/Template");//文件夹移动 ftp.FtpDownloadFolder("/1", "d:\\1\\"); //将ftp服务器的指定文件夹下载到本地目录 项目地址:https://github.com/yycb1994/FtpSiteManager 原文作者:我只吃饭不洗碗,转自https://www.cnblogs.com/INetIMVC/p/18025336 该文章在 2024/2/24 15:55:24 编辑过 |
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