這期內(nèi)容當(dāng)中小編將會給大家?guī)碛嘘P(guān)FTP的文件如何管理,文章內(nèi)容豐富且以專業(yè)的角度為大家分析和敘述,閱讀完這篇文章希望大家可以有所收獲。
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設(shè)置站點名稱和路徑。
設(shè)置ip。
身份授權(quán)選擇所有用戶,可以讀寫。
完成之后 IIS就會出現(xiàn):
計算機-->管理-->本地用戶和組。 添加用戶,描述為FTP。
這里要設(shè)置用戶的密碼方式,去掉“用戶下次登錄時必須更改密碼”的選項。
不然會登錄不成功。報530錯誤。
ftp ip 就可以訪問。顯示230 user logged in 表示登錄成功。
FtpHelper:
public static class FtpHelper { //基本設(shè)置 private const string Path = @"ftp://192.168.253.4:21/"; //目標(biāo)路徑 private const string Ftpip = "192.168.253.4"; // GetAppConfig("obj"); //ftp IP地址 private const string Username = "stone"; //GetAppConfig("username"); //ftp用戶名 private const string Password = "111111"; //GetAppConfig("password"); //ftp密碼 // 2M 可能不夠 private const int bufferSize = 2048; /// <summary> /// 獲取自定義配置的值 /// </summary> /// <param name="strKey">鍵值</param> /// <returns>鍵值對應(yīng)的值</returns> public static string GetAppConfig(string strKey) { foreach (string key in ConfigurationManager.AppSettings) { if (key == strKey) { return ConfigurationManager.AppSettings[strKey]; } } return null; } //獲取ftp上面的文件和文件夾 public static string[] GetFileList(string dir) { var result = new StringBuilder(); try { var ftpRequest = FtpRequest(Path, WebRequestMethods.Ftp.ListDirectory); webResponse response = ftpRequest.GetResponse(); var 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("獲取ftp上面的文件和文件夾:" + ex.Message); return new[] {""}; } } /// <summary> /// 獲取文件大小 /// </summary> /// <param name="file">ip服務(wù)器下的相對路徑</param> /// <returns>文件大小</returns> public static int GetFileSize(string file) { var result = new StringBuilder(); FtpWebRequest request; try { request = (FtpWebRequest) WebRequest.Create(new Uri(Path + file)); request.UseBinary = true; request.Credentials = new NetworkCredential(Username, Password); //設(shè)置用戶名和密碼 request.Method = WebRequestMethods.Ftp.GetFileSize; var dataLength = (int) request.GetResponse().ContentLength; return dataLength; } catch (Exception ex) { Console.WriteLine("獲取文件大小出錯:" + ex.Message); return -1; } } /// <summary> /// 文件上傳 /// </summary> /// <param name="localFile">原路徑(絕對路徑)包括文件名</param> /// <param name="remoteFile">目標(biāo)文件夾:服務(wù)器下的相對路徑 不填為根目錄</param> public static bool UpLoad(string localFile, string remoteFile = "") { try { string url = Path; if (remoteFile != "") url += remoteFile + "/"; try { //待上傳的文件 (全路徑) try { var fileInfo = new FileInfo(localFile); using (FileStream fs = fileInfo.OpenRead()) { long length = fs.Length; FtpWebRequest reqFtp = FtpRequest(url + fileInfo.Name,WebRequestMethods.Ftp.UploadFile); using (Stream stream = reqFtp.GetRequestStream()) { //設(shè)置緩沖大小 int BufferLength = 5120; var b = new byte[BufferLength]; int i; while ((i = fs.Read(b, 0, BufferLength)) > 0) { stream.Write(b, 0, i); } Console.WriteLine("上傳文件成功"); return true; } } } catch (Exception ex) { Console.WriteLine("上傳文件失敗錯誤為" + ex.Message); } finally { } } catch (Exception ex) { Console.WriteLine("上傳文件失敗錯誤為" + ex.Message); } finally { } } catch (Exception ex) { Console.WriteLine("上傳文件失敗錯誤為" + ex.Message); } return false; } public static bool UpLoad(Stream localFileStream, string remoteFile) { bool result = true; try { var ftpRequest = FtpRequest(Path + remoteFile, WebRequestMethods.Ftp.UploadFile); var ftpStream = ftpRequest.GetRequestStream(); var byteBuffer = new byte[bufferSize]; int bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize); try { while (bytesSent != 0) { ftpStream.Write(byteBuffer, 0, bytesSent); bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize); } } catch (Exception ex) { Console.WriteLine(ex.ToString()); result = false; } localFileStream.Close(); ftpStream.Close(); } catch (Exception ex) { Console.WriteLine(ex.ToString()); result = false; } return result; } public static FtpWebRequest FtpRequest(string requstUrl,string method,bool closedResponse=false) { var reqFtp = (FtpWebRequest) WebRequest.Create(new Uri(requstUrl)); //設(shè)置連接到FTP的帳號密碼 reqFtp.Credentials = new NetworkCredential(Username, Password); //設(shè)置請求完成后是否保持連接 reqFtp.KeepAlive = false; //指定執(zhí)行命令 reqFtp.Method = method; //指定數(shù)據(jù)傳輸類型 reqFtp.UseBinary = true; if (closedResponse) { var resp=reqFtp.GetResponse(); resp.Close(); } return reqFtp; } /// <summary> /// 下載 /// </summary> /// <param name="localFile">目的位置</param> /// <param name="remoteFile">服務(wù)器相對位置</param> /// <returns></returns> public static bool Download(string localFile,string remoteFile) { bool check = true; try { var outputStream = new FileStream(localFile, FileMode.Create); var ftpRequest = FtpRequest(Path + remoteFile, WebRequestMethods.Ftp.DownloadFile); var response = (FtpWebResponse)ftpRequest.GetResponse(); Stream ftpStream = response.GetResponseStream(); long cl = response.ContentLength; int bufferSize = 2048; int readCount; var 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 err) { check = false; } return check; } public static Stream Download(string remoteFile) { var ftpRequest = FtpRequest(Path + remoteFile, WebRequestMethods.Ftp.DownloadFile); var response = (FtpWebResponse)ftpRequest.GetResponse(); Stream ftpStream = response.GetResponseStream(); return ftpStream; } /// <summary> /// 刪除文件 /// </summary> /// <param name="fileName">服務(wù)器下的相對路徑 包括文件名</param> public static void DeleteFileName(string fileName) { try { FtpRequest(Path + fileName, WebRequestMethods.Ftp.DeleteFile,true); } catch (Exception ex) { Console.WriteLine("刪除文件出錯:" + ex.Message); } } /// <summary> /// 新建目錄 上一級必須先存在 /// </summary> /// <param name="dirName">服務(wù)器下的相對路徑</param> public static void MakeDir(string dirName) { try { FtpRequest(Path + dirName, WebRequestMethods.Ftp.MakeDirectory, true); } catch (Exception ex) { Console.WriteLine("創(chuàng)建目錄出錯:" + ex.Message); } } /// <summary> /// 刪除目錄 上一級必須先存在 /// </summary> /// <param name="dirName">服務(wù)器下的相對路徑</param> public static void DelDir(string dirName) { try { FtpRequest(Path + dirName, WebRequestMethods.Ftp.RemoveDirectory,true); } catch (Exception ex) { Console.WriteLine("刪除目錄出錯:" + ex.Message); } } /// <summary> /// 從ftp服務(wù)器上獲得文件夾列表 /// </summary> /// <param name="requedstPath">服務(wù)器下的相對路徑</param> /// <returns></returns> public static List<string> GetDirctory(string requedstPath) { var strs = new List<string>(); try { var reqFtp = FtpRequest(Path + requedstPath, WebRequestMethods.Ftp.ListDirectoryDetails); webResponse response = reqFtp.GetResponse(); var 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("獲取目錄出錯:" + ex.Message); } return strs; } /// <summary> /// 從ftp服務(wù)器上獲得文件列表 /// </summary> /// <param name="requedstPath">服務(wù)器下的相對路徑</param> /// <returns></returns> public static List<string> GetFile(string requedstPath) { var strs = new List<string>(); try { var reqFtp = FtpRequest(Path + requedstPath, WebRequestMethods.Ftp.ListDirectoryDetails); webResponse response = reqFtp.GetResponse(); var 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("獲取文件出錯:" + ex.Message); } return strs; } }
View Code
主要是通過創(chuàng)建FtpRequest來處理Ftp相關(guān)請求。
public static FtpWebRequest FtpRequest(string requstUrl,string method,bool closedResponse=false) { var reqFtp = (FtpWebRequest) WebRequest.Create(new Uri(requstUrl)); //設(shè)置連接到FTP的帳號密碼 reqFtp.Credentials = new NetworkCredential(Username, Password); //設(shè)置請求完成后是否保持連接 reqFtp.KeepAlive = false; //指定執(zhí)行命令 reqFtp.Method = method; //指定數(shù)據(jù)傳輸類型 reqFtp.UseBinary = true; if (closedResponse) { var resp=reqFtp.GetResponse(); resp.Close(); } return reqFtp; }
因為在MVC網(wǎng)站中使用的文件流的方式。
下載:
public static Stream Download(string remoteFile) { var ftpRequest = FtpRequest(Path + remoteFile, WebRequestMethods.Ftp.DownloadFile); var response = (FtpWebResponse)ftpRequest.GetResponse(); Stream ftpStream = response.GetResponseStream(); return ftpStream; }
調(diào)用:
public ActionResult DownloadFileFromFtp() { var filepath = "DIAView//simple.png"; var stream = FtpHelper.Download(filepath); return File(stream, FileHelper.GetContentType(".png"),"test.png"); }
上傳:
public static bool UpLoad(Stream localFileStream, string remoteFile) { bool result = true; try { var ftpRequest = FtpRequest(Path + remoteFile, WebRequestMethods.Ftp.UploadFile); var ftpStream = ftpRequest.GetRequestStream(); var byteBuffer = new byte[bufferSize]; int bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize); try { while (bytesSent != 0) { ftpStream.Write(byteBuffer, 0, bytesSent); bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize); } } catch (Exception ex) { Console.WriteLine(ex.ToString()); result = false; } localFileStream.Close(); ftpStream.Close(); } catch (Exception ex) { Console.WriteLine(ex.ToString()); result = false; } return result; }
調(diào)用:
[HttpPost] public JsonResult UploadFile(HttpPostedFileBase fileData) { if (fileData != null) { string fileName = Path.GetFileName(fileData.FileName);// 原始文件名稱 string saveName = Encrypt.GenerateOrderNumber() +"_"+fileName; FtpHelper.UpLoad(fileData.InputStream, "DIAView" + "/" + saveName); return Json(new { Success = true, FileName = fileName, SaveName = saveName}, JsonRequestBehavior.AllowGet); } return Json(new { Success = false, Message = "請選擇要上傳的文件!" }, JsonRequestBehavior.AllowGet); }
Ftp還可以設(shè)置不同用戶有不同的目錄,是以為記
上述就是小編為大家分享的FTP的文件如何管理了,如果剛好有類似的疑惑,不妨參照上述分析進行理解。如果想知道更多相關(guān)知識,歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道。
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名稱欄目:FTP的文件如何管理-創(chuàng)新互聯(lián)
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