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Asp.Net文件和文件夹操作大全

發布時間：2023/12/20 asp.net 26 豆豆

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/// <summary>
??????? /// 創建文件夾
??????? /// </summary>
??????? /// <param name="Path"></param>
??????? public static void FolderCreate(string Path)
??????? {
??????????? // 判斷目標目錄是否存在如果不存在則新建之
??????????? if (!Directory.Exists(Path))
??????????????? Directory.CreateDirectory(Path);
??????? }

??????? #endregion

??????? #region 創建目錄
??????? public static void FileCreate(string Path)
??????? {
??????????? FileInfo CreateFile = new FileInfo(Path); //創建文件
??????????? if (!CreateFile.Exists)
??????????? {
??????????????? FileStream FS = CreateFile.Create();
??????????????? FS.Close();
??????????? }
??????? }
??????? #endregion

??????? #region 遞歸刪除文件夾目錄及文件
??????? /****************************************
???????? * 函數名稱：DeleteFolder
???????? * 功能說明：遞歸刪除文件夾目錄及文件
???????? * 參??? 數：dir:文件夾路徑
???????? * 調用示列：
???????? *?????????? string dir = Server.MapPath( "test/");
???????? *?????????? EC.FileObj.DeleteFolder(dir);??????
??????? *****************************************/
??????? /// <summary>
??????? /// 遞歸刪除文件夾目錄及文件
??????? /// </summary>
??????? /// <param name="dir"></param>
??????? /// <returns></returns>
??????? public static void DeleteFolder(string dir)
??????? {
??????????? if (Directory.Exists(dir)) //如果存在這個文件夾刪除之
??????????? {
??????????????? foreach (string d in Directory.GetFileSystemEntries(dir))
??????????????? {
??????????????????? if (File.Exists(d))
??????????????????????? File.Delete(d); //直接刪除其中的文件???????????????????????
??????????????????? else
??????????????????????? DeleteFolder(d); //遞歸刪除子文件夾
??????????????? }
??????????????? Directory.Delete(dir, true); //刪除已空文件夾????????????????
??????????? }
??????? }

??????? #endregion

??????? #region 將指定文件夾下面的所有內容copy到目標文件夾下面果目標文件夾為只讀屬性就會報錯。
??????? /****************************************
???????? * 函數名稱：CopyDir
???????? * 功能說明：將指定文件夾下面的所有內容copy到目標文件夾下面果目標文件夾為只讀屬性就會報錯。
???????? * 參??? 數：srcPath:原始路徑,aimPath:目標文件夾
???????? * 調用示列：
???????? *?????????? string srcPath = Server.MapPath( "test/");
???????? *?????????? string aimPath = Server.MapPath( "test1/");
???????? *?????????? EC.FileObj.CopyDir(srcPath,aimPath);??
??????? *****************************************/
??????? /// <summary>
??????? /// 指定文件夾下面的所有內容copy到目標文件夾下面
??????? /// </summary>
??????? /// <param name="srcPath">原始路徑</param>
??????? /// <param name="aimPath">目標文件夾</param>
??????? public static void CopyDir(string srcPath, string aimPath)
??????? {
??????????? try
??????????? {
??????????????? // 檢查目標目錄是否以目錄分割字符結束如果不是則添加之
??????????????? if (aimPath[aimPath.Length - 1] != Path.DirectorySeparatorChar)
??????????????????? aimPath += Path.DirectorySeparatorChar;
??????????????? // 判斷目標目錄是否存在如果不存在則新建之
??????????????? if (!Directory.Exists(aimPath))
??????????????????? Directory.CreateDirectory(aimPath);
??????????????? // 得到源目錄的文件列表，該里面是包含文件以及目錄路徑的一個數組
??????????????? //如果你指向copy目標文件下面的文件而不包含目錄請使用下面的方法
??????????????? //string[] fileList = Directory.GetFiles(srcPath);
??????????????? string[] fileList = Directory.GetFileSystemEntries(srcPath);
??????????????? //遍歷所有的文件和目錄
??????????????? foreach (string file in fileList)
??????????????? {
??????????????????? //先當作目錄處理如果存在這個目錄就遞歸Copy該目錄下面的文件

??????????????????? if (Directory.Exists(file))
??????????????????????? CopyDir(file, aimPath + Path.GetFileName(file));
??????????????????? //否則直接Copy文件
??????????????????? else
??????????????????????? File.Copy(file, aimPath + Path.GetFileName(file), true);
??????????????? }
??????????? }
??????????? catch (Exception ee)
??????????? {
??????????????? throw new Exception(ee.ToString());
??????????? }
??????? }
??????? #endregion

??????? #region 獲取指定文件夾下所有子目錄及文件(樹形)
??????? /****************************************
???????? * 函數名稱：GetFoldAll(string Path)
???????? * 功能說明：獲取指定文件夾下所有子目錄及文件(樹形)
???????? * 參??? 數：Path:詳細路徑
???????? * 調用示列：
???????? *?????????? string strDirlist = Server.MapPath( "templates");??????
???????? *?????????? this.Literal1.Text = EC.FileObj.GetFoldAll(strDirlist);
??????? *****************************************/
??????? /// <summary>
??????? /// 獲取指定文件夾下所有子目錄及文件
??????? /// </summary>
??????? /// <param name="Path">詳細路徑</param>
??????? public static string GetFoldAll(string Path)
??????? {

??????????? string str = "";
??????????? DirectoryInfo thisOne = new DirectoryInfo(Path);
??????????? str = ListTreeShow(thisOne, 0, str);
??????????? return str;

??????? }

??????? /// <summary>
??????? /// 獲取指定文件夾下所有子目錄及文件函數
??????? /// </summary>
??????? /// <param name="theDir">指定目錄</param>
??????? /// <param name="nLevel">默認起始值,調用時,一般為0</param>
??????? /// <param name="Rn">用于迭加的傳入值,一般為空</param>
??????? /// <returns></returns>
??????? public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn)//遞歸目錄文件
??????? {
??????????? DirectoryInfo[] subDirectories = theDir.GetDirectories();//獲得目錄
??????????? foreach (DirectoryInfo dirinfo in subDirectories)
??????????? {

??????????????? if (nLevel == 0)
??????????????? {
??????????????????? Rn += "├";
??????????????? }
??????????????? else
??????????????? {
??????????????????? string _s = "";
??????????????????? for (int i = 1; i <= nLevel; i++)
??????????????????? {
??????????????????????? _s += "│ ";
??????????????????? }
??????????????????? Rn += _s + "├";
??????????????? }
??????????????? Rn += "" + dirinfo.Name.ToString() + " ";
??????????????? FileInfo[] fileInfo = dirinfo.GetFiles();?? //目錄下的文件
??????????????? foreach (FileInfo fInfo in fileInfo)
??????????????? {
??????????????????? if (nLevel == 0)
??????????????????? {
??????????????????????? Rn += "│ ├";
??????????????????? }
??????????????????? else
??????????????????? {
??????????????????????? string _f = "";
??????????????????????? for (int i = 1; i <= nLevel; i++)
??????????????????????? {
??????????????????????????? _f += "│ ";
??????????????????????? }
??????????????????????? Rn += _f + "│ ├";
??????????????????? }
??????????????????? Rn += fInfo.Name.ToString() + " ";
??????????????? }
??????????????? Rn = ListTreeShow(dirinfo, nLevel + 1, Rn);

??????????? }
??????????? return Rn;
??????? }

??????? /****************************************
???????? * 函數名稱：GetFoldAll(string Path)
???????? * 功能說明：獲取指定文件夾下所有子目錄及文件(下拉框形)
???????? * 參??? 數：Path:詳細路徑
???????? * 調用示列：
???????? *??????????? string strDirlist = Server.MapPath( "templates");?????
???????? *??????????? this.Literal2.Text = EC.FileObj.GetFoldAll(strDirlist, "tpl","");
??????? *****************************************/
??????? /// <summary>
??????? /// 獲取指定文件夾下所有子目錄及文件(下拉框形)
??????? /// </summary>
??????? /// <param name="Path">詳細路徑</param>
??????? /// <param name="DropName">下拉列表名稱</param>
??????? /// <param name="tplPath">默認選擇模板名稱</param>
??????? public static string GetFoldAll(string Path,string DropName,string tplPath)
??????? {
??????????? string strDrop = "<select name=\"" + DropName + "\" id=\"" + DropName + "\"><option value=\"\">--請選擇詳細模板--</option>";
??????????? string str = "";
??????????? DirectoryInfo thisOne = new DirectoryInfo(Path);
??????????? str = ListTreeShow(thisOne, 0, str,tplPath);
??????????? return strDrop+str+ "</select>";

??????? }

??????? /// <summary>
??????? /// 獲取指定文件夾下所有子目錄及文件函數
??????? /// </summary>
??????? /// <param name="theDir">指定目錄</param>
??????? /// <param name="nLevel">默認起始值,調用時,一般為0</param>
??????? /// <param name="Rn">用于迭加的傳入值,一般為空</param>
??????? /// <param name="tplPath">默認選擇模板名稱</param>
??????? /// <returns></returns>
??????? public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn,string tplPath)//遞歸目錄文件
??????? {
??????????? DirectoryInfo[] subDirectories = theDir.GetDirectories();//獲得目錄

??????????? foreach (DirectoryInfo dirinfo in subDirectories)
??????????? {

??????????????? Rn += "<option value=\"" + dirinfo.Name.ToString() + "\"";
??????????????? if (tplPath.ToLower() == dirinfo.Name.ToString().ToLower())
??????????????? {
??????????????????? Rn += " selected ";
??????????????? }
??????????????? Rn += ">";

??????????????? if (nLevel == 0)
??????????????? {
??????????????????? Rn += "┣";
??????????????? }
??????????????? else
??????????????? {
??????????????????? string _s = "";
??????????????????? for (int i = 1; i <= nLevel; i++)
??????????????????? {
??????????????????????? _s += "│ ";
??????????????????? }
??????????????????? Rn += _s + "┣";
??????????????? }
??????????????? Rn += "" + dirinfo.Name.ToString() + "</option>";

??????????????? FileInfo[] fileInfo = dirinfo.GetFiles();?? //目錄下的文件
??????????????? foreach (FileInfo fInfo in fileInfo)
??????????????? {
??????????????????? Rn += "<option value=\"" + dirinfo.Name.ToString()+"/"+fInfo.Name.ToString() + "\"";
??????????????????? if (tplPath.ToLower() == fInfo.Name.ToString().ToLower())
??????????????????? {
??????????????????????? Rn += " selected ";
??????????????????? }
??????????????????? Rn += ">";

??????????????????? if (nLevel == 0)
??????????????????? {
??????????????????????? Rn += "│ ├";
??????????????????? }
??????????????????? else
??????????????????? {
??????????????????????? string _f = "";
??????????????????????? for (int i = 1; i <= nLevel; i++)
??????????????????????? {
??????????????????????????? _f += "│ ";
??????????????????????? }
??????????????????????? Rn += _f + "│ ├";
??????????????????? }
??????????????????? Rn += fInfo.Name.ToString() + "</option>";
??????????????? }
??????????????? Rn = ListTreeShow(dirinfo, nLevel + 1, Rn, tplPath);

??????????? }
??????????? return Rn;
??????? }
??????? #endregion

??????? #region 獲取文件夾大小
??????? /****************************************
???????? * 函數名稱：GetDirectoryLength(string dirPath)
???????? * 功能說明：獲取文件夾大小
???????? * 參??? 數：dirPath:文件夾詳細路徑
???????? * 調用示列：
???????? *?????????? string Path = Server.MapPath( "templates");
???????? *?????????? Response.Write(EC.FileObj.GetDirectoryLength(Path));??????
??????? *****************************************/
??????? /// <summary>
??????? /// 獲取文件夾大小
??????? /// </summary>
??????? /// <param name="dirPath">文件夾路徑</param>
??????? /// <returns></returns>
??????? public static long GetDirectoryLength(string dirPath)
??????? {
??????????? if (!Directory.Exists(dirPath))
??????????????? return 0;
??????????? long len = 0;
??????????? DirectoryInfo di = new DirectoryInfo(dirPath);
??????????? foreach (FileInfo fi in di.GetFiles())
??????????? {
??????????????? len += fi.Length;
??????????? }
??????????? DirectoryInfo[] dis = di.GetDirectories();
??????????? if (dis.Length > 0)
??????????? {
??????????????? for (int i = 0; i < dis.Length; i++)
??????????????? {
??????????????????? len += GetDirectoryLength(dis[i].FullName);
??????????????? }
??????????? }
??????????? return len;
??????? }
??????? #endregion

??????? #region 獲取指定文件詳細屬性
??????? /****************************************
???????? * 函數名稱：GetFileAttibe(string filePath)
???????? * 功能說明：獲取指定文件詳細屬性
???????? * 參??? 數：filePath:文件詳細路徑
???????? * 調用示列：
???????? *?????????? string file = Server.MapPath( "robots.txt");
???????? *??????????? Response.Write(EC.FileObj.GetFileAttibe(file));????????
??????? *****************************************/
??????? /// <summary>
??????? /// 獲取指定文件詳細屬性
??????? /// </summary>
??????? /// <param name="filePath">文件詳細路徑</param>
??????? /// <returns></returns>
??????? public static string GetFileAttibe(string filePath)
??????? {
??????????? string str = "";
??????????? System.IO.FileInfo objFI = new System.IO.FileInfo(filePath);
??????????? str += "詳細路徑:" + objFI.FullName + " 文件名稱:" + objFI.Name + " 文件長度:" + objFI.Length.ToString() + "字節 創建時間" + objFI.CreationTime.ToString() + " 最后訪問時間:" + objFI.LastAccessTime.ToString() + " 修改時間:" + objFI.LastWriteTime.ToString() + " 所在目錄:" + objFI.DirectoryName + " 擴展名:" + objFI.Extension;
??????????? return str;
??????? }
??????? #endregion
??? }
}

本文來自源碼之家：http://www.mycodes.net/75/1554.htm

轉載于:https://www.cnblogs.com/Miton/archive/2011/06/01/2066031.html

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