Asp.net file, folder

Using system; <br/> using system. data; <br/> using system. configuration; <br/> using system. collections; <br/> using system. web; <br/> using system. web. security; <br/> using system. web. ui; <br/> using system. web. UI. webcontrols; <br/> using system. web. UI. webcontrols. webparts; <br/> using system. web. UI. htmlcontrols; <br/> using system. io; <br/> Public partial class default2: system. web. UI. page <br/> {<br/> pro Tected void page_load (Object sender, eventargs E) <br/>{< br/>}< br/> # region create a folder <br/> /// <summary> <br/> // create a folder <br/> /// </Summary> <br/> /// <Param name = "path"> </param> <br/> Public static void foldercreate (string path) <br/>{< br/> // determine whether the target directory exists. If it does not exist, create it. <br/> If (! Directory. exists (PATH) <br/> directory. createdirectory (PATH); <br/>}< br/> # endregion <br/> # region create directory <br/> Public static void filecreate (string path) <br/>{< br/> fileinfo createfile = new fileinfo (PATH); // create a file <br/> If (! Createfile. exists) <br/>{< br/> filestream FS = createfile. create (); <br/> FS. close (); <br/>}< br/> # endregion <br/> # region recursively deletes folder directories and files <br/> /******* * ******************************* <br/> * function name: deletefolder <br/> * Function Description: recursively Delete folder directories and files <br/> * parameter: Dir: folder path <br/> * Call display column: <br/> * string dir = server. mappath ("test/"); <br/> * EC. fileobj. deletefolder (DIR); <br/> *************************** * *************/<Br/> // <summary> <br/> // recursively Delete folder directories and files <br />/// </Summary> <br/> /// <Param name = "dir"> </param> <br/> /// <returns> </ returns> <br/> Public static void deletefolder (string DIR) <br/>{< br/> If (directory. exists (DIR) // Delete the folder <br/>{< br/> foreach (string D in directory. getfilesystementries (DIR) <br/>{< br/> If (file. exists (D) <br/> file. delete (d); // delete the files directly. <br/> E LSE <br/> deletefolder (d); // recursively Delete subfolders <br/>}< br/> directory. delete (Dir, true ); // delete an empty folder <br/>}< br/> # endregion <br/> # region copies all the content in the specified folder to the target folder. if the target folder is read-only, an error is returned. <Br/> /*********************************** * ***** <br/> * Function Name: copydir <br/> * Function Description: Copy all the content in the specified folder to the target folder. If the target folder is read-only, an error is returned. <Br/> * parameter: srcpath: original path, aimpath: Target folder <br/> * Call display column: <br/> * string srcpath = server. mappath ("test/"); <br/> * string aimpath = server. mappath ("test1/"); <br/> * EC. fileobj. copydir (srcpath, aimpath ); <br/> ************************************ * ***/<br/> /// <summary> <br/> // copy all the content in the specified folder to the target folder. <br/> // /</Summary> <br/> // <Param name = "srcpath"> original path </param> <br/> // <Param name = "aimpath"> Target folder </param> <br/> Public static void copydir (string srcpath, string aimpath) <br/>{< br/> try <br/> {<br/> // check whether the target directory ends with a directory delimiter. If not, add it. <br/> If (aimpath [aimpath. length-1]! = Path. directoryseparatorchar) <br/> aimpath + = path. directoryseparatorchar; <br/> // you can create a directory if the target directory does not exist. <br/> If (! Directory. exists (aimpath) <br/> directory. createdirectory (aimpath); <br/> // obtain the file list of the source directory, this is an array containing files and directory paths <br/> // use the following method if you point to the file under the copy target file and do not include a directory <br/>/ /string [] filelist = directory. getfiles (srcpath); <br/> string [] filelist = directory. getfilesystementries (srcpath); <br/> // traverse all files and directories <br/> foreach (string file in filelist) <br/> {<br/> // process the data as a directory first. If the directory exists, recursively copy the files in the directory. <br/> If (directory. E Xists (File) <br/> copydir (file, aimpath + path. getfilename (File); <br/> // otherwise, copy the file directly <br/> else <br/> file. copy (file, aimpath + path. getfilename (file), true); <br/>}< br/> catch (exception ee) <br/>{< br/> throw new exception (EE. tostring (); <br/>}< br/> # endregion <br/> # region obtains all subdirectories and files in the specified folder (tree-like) <br/> /*********************************** * ***** <br/> * Function Name: getfoldall (string Path) <br/> * Function Description: obtain all subdirectories and files in the specified folder (tree) <br/> * parameter: Path: detailed path <br/> * Call display column: <br/> * string strdirlist = server. mappath ("templates"); <br/> * This. literal1.text = EC. fileobj. getfoldall (strdirlist ); <br/> ************************************ *****/<br/> /// <summary> <br/> // obtain all subdirectories and files in the specified folder <br/> /// </ summary> <br/> // <Param name = "path"> detailed path </param> <br/> Public static string getfoldall (strin G path) <br/>{< br/> string STR = ""; <br/> directoryinfo thisone = new directoryinfo (PATH ); <br/> STR = listtreeshow (thisone, 0, STR); <br/> return STR; <br/>}< br/> /// <summary> <br/> // obtain all subdirectories and file functions in the specified folder <br/> /// </ summary> <br/> /// <Param name = "thedir"> specify the directory </param> <br/> /// <Param name = "nlevel"> default start point value, generally, the value is 0 </param> <br/> // <Param name = "RN"> used for superposition, generally blank </param> <br/> /// <returns> </Returns> <br/> Public static string listtreeshow (directoryinfo thedir, int nlevel, string RN) // recursive directory file <br/>{< br/> directoryinfo [] subdirectories = thedir. getdirectories (); // get the directory <br/> foreach (directoryinfo dirinfo in subdirectories) <br/>{< br/> If (nlevel = 0) <br/> {<br/> rn + = "Beijing "; <br/>}< br/> else <br/> {<br/> string _ S = ""; <br/> for (INT I = 1; I <= nlevel; I ++) <br/>{< br/> _ s + = "│"; <Br/>}< br/> rn + = _ S + "yellow "; <br/>}< br/> rn + = "<B>" + dirinfo. name. tostring () + "</B> <br/>"; <br/> fileinfo [] fileinfo = dirinfo. getfiles (); // file in the directory <br/> foreach (fileinfo finfo in fileinfo) <br/>{< br/> If (nlevel = 0) <br/>{< br/> rn + = "│ ├ "; <br/>}< br/> else <br/> {<br/> string _ f = ""; <br/> for (INT I = 1; I <= nlevel; I ++) <br/>{< br/> _ F + = "│"; <br/>}< br/> rn + = _ F + "│ ├"; <br/>}< br/> rn + = finfo. name. tostring () + "<br/>"; <br/>}< br/> Rn = listtreeshow (dirinfo, nlevel + 1, RN ); </P> <p >}< br/> return rn; <br/>}</P> <p> /*************************** * ************ <br/> * Function Name: getfoldall (string path) <br/> * Function Description: obtains all subdirectories and files in a specified folder (in the drop-down box). <br/> * parameter: Path: detailed path <br/> * Call display column: <br/> * string strdirlist = server. mappath ("templates"); <br/> * This. literal2.text = EC. fileobj. getfoldall (strdirlist, "TPL ",""); <br/> ************************************ * ***/<br/> /// <summary> <br/> // obtain all subdirectories and files in the specified folder (in the drop-down box) <br/> // </Summary> <br/> // <Param name = "path"> detailed path </param> <br/> // <param name = "dropname"> drop-down list name </param> <br/> // <Param name = "tplpath"> default Template Name </param> <br/> Public static string getfoldall (string path, string dropname, string tplpath) <br/> {<br /> String strdrop = "<select name =/" "+ dropname +"/"id =/" "+ dropname +"/"> <option value =/"/"> -- select a detailed template -- </option> "; <br/> string STR = ""; <br/> directoryinfo thisone = new directoryinfo (PATH); <br/> STR = listtreeshow (thisone, 0, STR, tplpath ); <br/> return strdrop + STR + "</SELECT> "; <br/>}< br/> /// <summary> <br/> // obtain all subdirectories and file functions in the specified folder <br/> /// </ summary> <br/> // <Param name = "thedir"> specify the object </Param> <br/> // <Param name = "nlevel"> default start value, it is generally 0 </param> <br/> // <Param name = "RN"> input value used for superposition, it is generally null </param> <br/> /// <Param name = "tplpath"> default Template Name </param> <br/> /// <returns> </returns> <br/> Public static string listtreeshow (directoryinfo thedir, int nlevel, string RN, string tplpath) // recursive directory file <br/> {<br/> directoryinfo [] subdirectories = thedir. getdirectories (); // get the directory <br/> foreach (direct Oryinfo dirinfo in subdirectories) <br/>{< br/> rn + = "<option value =/" "+ dirinfo. name. tostring () + "/" "; <br/> If (tplpath. tolower () = dirinfo. name. tostring (). tolower () <br/>{< br/> rn + = "selected"; <br/>}< br/> rn + = "> "; <br/> If (nlevel = 0) <br/> {<br/> rn + = "success "; <br/>}< br/> else <br/> {<br/> string _ S = ""; <br/> for (INT I = 1; I <= nlevel; I ++) <br/>{< br/> _ S + = "│"; <br/ >}< Br/> rn + = _ S + "Hangzhou"; <br/>}< br/> rn + = "" + dirinfo. name. tostring () + "</option>"; </P> <p> fileinfo [] fileinfo = dirinfo. getfiles (); // file in the directory <br/> foreach (fileinfo finfo in fileinfo) <br/> {<br/> rn + = "<option value =/" "+ dirinfo. name. tostring () + "/" + finfo. name. tostring () + "/" "; <br/> If (tplpath. tolower () = finfo. name. tostring (). tolower () <br/>{< br/> rn + = "selected"; <br/>}< br/> Rn + = ">"; <br/> If (nlevel = 0) <br/> {<br/> rn + = "│ ├ "; <br/>}< br/> else <br/> {<br/> string _ f = ""; <br/> for (INT I = 1; I <= nlevel; I ++) <br/>{< br/> _ F + = "│ "; <br/>}< br/> rn + = _ F + "│ ├"; <br/>}< br/> rn + = finfo. name. tostring () + "</option>"; <br/>}< br/> Rn = listtreeshow (dirinfo, nlevel + 1, RN, tplpath ); </P> <p >}< br/> return rn; <br/>}< br/> # endregion <br/> # region obtained Folder size <br/> /******************************** * ******* <br/> * Function Name: getdirectorylength (string dirpath) <br/> * Function Description: Get the folder size <br/> * parameter number: dirpath: detailed folder path <br/> * Call display column: <br/> * string Path = server. mappath ("templates"); <br/> * response. write (EC. fileobj. getdirectorylength (PATH )); <br/> ************************************ *****/<br/> /// <summary> <br/> // obtain the folder size <br/> /// </Summary> <br/> /// <par Am name = "dirpath"> folder path </param> <br/> // <returns> </returns> <br/> Public static long getdirectorylength (string dirpath) <br/>{< br/> If (! Directory. exists (dirpath) <br/> return 0; <br/> long Len = 0; <br/> directoryinfo di = new directoryinfo (dirpath ); <br/> foreach (fileinfo fi in Di. getfiles () <br/>{< br/> Len + = Fi. length; <br/>}< br/> directoryinfo [] Dis = di. getdirectories (); <br/> If (DIS. length> 0) <br/>{< br/> for (INT I = 0; I <dis. length; I ++) <br/>{< br/> Len + = getdirectorylength (DIS [I]. fullname); <br/>}< br/> return Len; <br/>}< br/> # endregion <br/> # obtain detailed attributes of a specified file by region <br/> /************* * ************************* <br/> * Function Name: getfileattibe (string filepath) <br/> * Function Description: obtains the detailed attributes of a specified file. <br/> * parameter: filepath: detailed file path <br/> * indicates the call column: <br/> * string file = server. mappath ("robots.txt"); <br/> * response. write (EC. fileobj. getfileattibe (File )); <br/> ************************************ *****/<br/> /// <summary> <br/> // obtain the detailed attributes of a specified file <br/> /// </Summary> <br/> /// <Param name = "filepath"> detailed file path </param> <br/> /// <returns> </returns> <br/> Public static string getfileattibe (string filepath) <br/>{< br/> string STR = ""; <br/> system. io. fileinfo objfi = new system. io. fileinfo (filepath); <br/> STR + = "Detailed path:" + objfi. fullname + "<br> file name:" + objfi. name + "<br> file length:" + objfi. length. tostring () + "byte <br> Creation Time" + objfi. creationtime. tostring () + "<br> last access time:" + objfi. lastaccesstime. tostring () + "<br> modification time:" + objfi. lastwritetime. tostring () + "<br> directory:" + objfi. directoryname + "<br> Extension:" + objfi. extension; <br/> return STR; <br/>}< br/> # endregion <br/>}