1,FTP服务创建于配置http://jingyan.baidu.com/article/0a52e3f4230067bf63ed7268.html,
2,FTP操作类
using System; using System.Collections.Generic; using System.Configuration; using System.IO; using System.Linq; using System.Net; using System.Text; using System.Windows.Forms; namespace FTP { //使用时需要建立配置文件在配置文件里面写链接信息, public class FtpHelper { //基本设置 public static string path = @"ftp://" + FtpHelper.GetAppConfig("path") + "/"; //目标路径 public static string ftpip = FtpHelper.GetAppConfig("path"); //ftp IP地址 static private string username = FtpHelper.GetAppConfig("username"); //ftp用户名 static private string password = FtpHelper.GetAppConfig("password"); //ftp密码 public static string GetAppConfig(string strKey) { foreach (string key in ConfigurationManager.AppSettings) { if (key == strKey) { string str = ConfigurationManager.AppSettings[strKey]; return ConfigurationManager.AppSettings[strKey]; } } return null; } public static string[] GetFileList()//已验证 { //dir = dir + "/";//加斜线与不加斜线的区别是路径和文件名 string[] downloadFiles; StringBuilder result = new StringBuilder(); FtpWebRequest request; try { request = (FtpWebRequest)FtpWebRequest.Create(new Uri(path)); request.UseBinary = true; request.Credentials = new NetworkCredential(username, password);//设置用户名和密码 request.Method = WebRequestMethods.Ftp.ListDirectory; request.UseBinary = true; WebResponse response = request.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream()); string line = reader.ReadLine(); while (line != null) { result.Append(line); result.Append("\n"); Console.WriteLine(line); line = reader.ReadLine(); } // to remove the trailing ‘\n‘ result.Remove(result.ToString().LastIndexOf(‘\n‘), 1); reader.Close(); response.Close(); return result.ToString().Split(‘\n‘); } catch (Exception ex) { Console.WriteLine("获取ftp上面的文件和文件夹:" + ex.Message); downloadFiles = null; return downloadFiles; } } /// <summary> /// 获取文件大小 /// </summary> /// <param name="file">ip服务器下的相对路径</param> /// <returns>文件大小</returns> public static int GetFileSize(string file)//已验证 { StringBuilder result = new StringBuilder(); FtpWebRequest request; try { request = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + file)); request.UseBinary = true; request.Credentials = new NetworkCredential(username, password);//设置用户名和密码 request.Method = WebRequestMethods.Ftp.GetFileSize; int dataLength = (int)request.GetResponse().ContentLength; return dataLength; } catch (Exception ex) { Console.WriteLine("获取文件大小出错:" + ex.Message); return -1; } } /// <summary> /// 文件上传 /// </summary> /// <param name="filePath">原路径(绝对路径)包括文件名</param> /// <param name="objPath">目标文件夹:服务器下的相对路径 不填为根目录</param> public static void FileUpLoad(string filePath, string objPath = "") { try { string url = path; if (objPath != "") url += objPath + "/"; try { FtpWebRequest reqFTP = null; //待上传的文件 (全路径) try { FileInfo fileInfo = new FileInfo(filePath); using (FileStream fs = fileInfo.OpenRead()) { long length = fs.Length; reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(url + fileInfo.Name[0])); //设置连接到FTP的帐号密码 reqFTP.Credentials = new NetworkCredential(username, password); //设置请求完成后是否保持连接 reqFTP.KeepAlive = false; //指定执行命令 reqFTP.Method = WebRequestMethods.Ftp.UploadFile; //指定数据传输类型 reqFTP.UseBinary = true; using (Stream stream = reqFTP.GetRequestStream()) { //设置缓冲大小 int BufferLength = 5120; byte[] b = new byte[BufferLength]; int i; while ((i = fs.Read(b, 0, BufferLength)) > 0) { stream.Write(b, 0, i); } Console.WriteLine("上传文件成功"); } } } catch (Exception ex) { Console.WriteLine("上传文件失败错误为" + ex.Message); } finally { } } catch (Exception ex) { Console.WriteLine("上传文件失败错误为" + ex.Message); } finally { } } catch (Exception ex) { Console.WriteLine("上传文件失败错误为" + ex.Message); } } /// <summary> /// 删除文件 /// </summary> /// <param name="fileName">服务器下的相对路径 包括文件名</param> public static void DeleteFileName(string fileName)//已验证 { try { FileInfo fileInf = new FileInfo(ftpip + "" + fileName); string uri = path + fileName; FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); // 指定数据传输类型 reqFTP.UseBinary = true; // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(username, password); // 默认为true,连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.DeleteFile; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { Console.WriteLine("删除文件出错:" + ex.Message); } } /// <summary> /// 删除文件 /// </summary> /// <param name="fileName"></param> public static void Delete(string fileName)//已验证 { try { string uri = path + fileName; FtpWebRequest reqFTP; reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential(username, password); 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 static void RemoveDirectory(string folderName)//已验证 { try { string uri = path + folderName; FtpWebRequest reqFTP; reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential(username,password); 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 static string[] GetFilesDetailList(string dir) { string[] downloadFiles; try { dir = dir + "/"; StringBuilder result = new StringBuilder(); FtpWebRequest ftp; ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(path+dir)); ftp.Credentials = new NetworkCredential(username, password); 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; //Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message); return downloadFiles; } } public static string[] GetFilesDetailList() { string[] downloadFiles; try { StringBuilder result = new StringBuilder(); FtpWebRequest ftp; ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(path)); ftp.Credentials = new NetworkCredential(username, password); 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; //Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message); return downloadFiles; } } public static void Upload()//已验证 { OpenFileDialog openFileDialog = new OpenFileDialog(); openFileDialog.Title = "选择文件"; openFileDialog.Filter = "所有文件|*.*|rar文件|*.rar|文本文件|*.txt"; openFileDialog.FileName = string.Empty; openFileDialog.FilterIndex = 1; openFileDialog.RestoreDirectory = true; openFileDialog.DefaultExt = "txt"; DialogResult result = openFileDialog.ShowDialog(); if (result == DialogResult.Cancel) { return; } string fileName = openFileDialog.FileName; FileInfo fileInf = new FileInfo(fileName); string uri = path + fileInf.Name; FtpWebRequest reqFTP; reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential(username, password); 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); } } public static void Download(string fileName)//已验证 { SaveFileDialog saveFileDialog = new SaveFileDialog(); saveFileDialog.FileName = fileName; saveFileDialog.Filter = "所有文件(*.*)|(*.*)"; if (saveFileDialog.ShowDialog() != DialogResult.OK) { return; } string filePath = saveFileDialog.FileName; FtpWebRequest reqFTP; try { FileStream outputStream = new FileStream(filePath, FileMode.Create); reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + fileName)); reqFTP.Method = WebRequestMethods.Ftp.DownloadFile; reqFTP.UseBinary = true; reqFTP.Credentials = new NetworkCredential(username, password); 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> /// 新建目录 上一级必须先存在 /// </summary> /// <param name="dirName">服务器下的相对路径</param> public static void MakeDir(string dirName)//已验证 { try { string uri = path + dirName; FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); // 指定数据传输类型 reqFTP.UseBinary = true; // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(username, password); reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { Console.WriteLine("创建目录出错:" + ex.Message); } } /// <summary> /// 删除目录 上一级必须先存在 /// </summary> /// <param name="dirName">服务器下的相对路径</param> public static void DelDir(string dirName)//已验证 { try { string uri = path + dirName; FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(username, password); reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { Console.WriteLine("删除目录出错:" + ex.Message); } } /// <summary> /// 从ftp服务器上获得文件夹列表 /// </summary> /// <param name="RequedstPath">服务器下的相对路径</param> /// <returns></returns> public static List<string> GetDirctory(string RequedstPath)//已验证 { List<string> strs = new List<string>(); try { string uri = path + RequedstPath; //目标路径 path为服务器地址 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(username, password); reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails; WebResponse response = reqFTP.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名 string line = reader.ReadLine(); while (line != null) { if (line.Contains("<DIR>")) { string msg = line.Substring(line.LastIndexOf("<DIR>") + 5).Trim(); strs.Add(msg); } line = reader.ReadLine(); } reader.Close(); response.Close(); return strs; } catch (Exception ex) { Console.WriteLine("获取目录出错:" + ex.Message); } return strs; } /// <summary> /// 从ftp服务器上获得文件列表 /// </summary> /// <param name="RequedstPath">服务器下的相对路径</param> /// <returns></returns> public static List<string> GetFile(string RequedstPath)//已验证 { List<string> strs = new List<string>(); try { string uri = path + RequedstPath; //目标路径 path为服务器地址 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(username, password); reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails; WebResponse response = reqFTP.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名 string line = reader.ReadLine(); while (line != null) { if (!line.Contains("<DIR>")) { string msg = line.Substring(39).Trim(); strs.Add(msg); } line = reader.ReadLine(); } reader.Close(); response.Close(); return strs; } catch (Exception ex) { Console.WriteLine("获取文件出错:" + ex.Message); } return strs; } /// <summary> /// 获取当前目录下文件列表(仅文件) /// </summary> /// <returns></returns> public static string[] GetFileList1(string mask) { string[] downloadFiles; StringBuilder result = new StringBuilder(); FtpWebRequest reqFTP; try { reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path)); reqFTP.UseBinary = true; reqFTP.Credentials = new NetworkCredential(username, password); 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 static string[] GetDirectoryList() { string[] drectory = GetFilesDetailList(); 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(54).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 static 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 static bool FileExist(string RemoteFileName) { string[] fileList = GetFileList1("*.*"); foreach (string str in fileList) { if (str.Trim() == RemoteFileName.Trim()) { return true; } } return false; } /// <summary> /// 改名 /// </summary> public static void ReName(string currentFilename, string newFilename)//已验证 { FtpWebRequest reqFTP; try { reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + currentFilename)); string type = Path.GetExtension(currentFilename);//获取文件扩展名 reqFTP.Method = WebRequestMethods.Ftp.Rename; reqFTP.RenameTo = newFilename+type; reqFTP.UseBinary = true; reqFTP.Credentials = new NetworkCredential(username, password); 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 static void MovieFile(string currentFilename, string newDirectory) { ReName(currentFilename, newDirectory); } public static string FileOrDirectory(string path) { if (File.Exists(path)) { return "文件"; } else if (Directory.Exists(path)) { return "文件夹"; } else { return "错误"; } } } }
时间: 2024-10-02 04:54:38