asp.net file and Folder action class (file deletion, creation, directory deletion)

The following file action class, you can delete directories and not empty directories Oh, you can also create files to write files, delete files previously recursive operation directory.

Using System.IO;
Using System.Web;

Namespace sec
{
/**////
Action classes for files and folders
///
public class Filecontrol
{
Public Filecontrol ()
{

}
/**////
Create a folder under the root directory
///
The file path to create
public void CreateFolder (string folderpathname)
{
if (Folderpathname.trim () .length> 0)
{
Try
{
String createpath = System.web.httpcontext.current.server.mappath ("http://www.cnblogs.com/. /images/"+folderpathname). ToString ();
if (!directory.exists (Createpath))
{
Directory.CreateDirectory (Createpath);
}
}
Catch
{
Throw
}
}
}

/**////
Delete the word folders and files under a folder
///
///
public void Deletechildfolder (string folderpathname)
{
if (Folderpathname.trim () .length> 0)
{
Try
{
String createpath = System.web.httpcontext.current.server.mappath (folderpathname). ToString ();
if (directory.exists (Createpath))
{
Directory.delete (createpath,true);
}
}
Catch
{
Throw
}
}
}
/**////
Delete a file
///
public void DeleteFile (string filepathname)
{
Try
{
FileInfo delefile = new FileInfo (System.web.httpcontext.current.server.mappath (filepathname). ToString ());
Delefile.delete ();
}
Catch
{

}
}
public void CreateFile (string filepathname)
{
Try
{
Create a folder
String[] strpath= filepathname.split ('/');
CreateFolder (Filepathname.replace ("/" + strpath[strpath.length-1].tostring (), "")); Create a folder
FileInfo CreateFile =new FileInfo (System.web.httpcontext.current.server.mappath (filepathname). ToString ()); Create a file
if (!createfile.exists)
{
FileStream fs=createfile.create ();
Fs.close ();
}
}
Catch
{

}
}
/**////
Delete an entire folder and its Word folders and files
public void Deleparentfolder (string folderpathname)
{
Try
{
DirectoryInfo delfolder = new DirectoryInfo (System.web.httpcontext.current.server.mappath (folderpathname). ToString ());
if (delfolder.exists)
{
Delfolder.delete ();
}
}
Catch
{

}
}
/**////
Append content to File
public void Rewritereadinnertext (String filepathname,string writeword)
{
Try
{
Creating folders and Files
CreateFolder (filepathname);
CreateFile (filepathname);
Get the contents of the original file
FileStream fileread=new FileStream (System.web.httpcontext.current.server.mappath (Filepathname). ToString (), Filemode.open,fileaccess.readwrite);
StreamReader filereadword=new StreamReader (Fileread,system.text.encoding.default);
String oldstring = Filereadword.readtoend (). ToString ();
oldstring = oldstring + Writeword;
Re-write new content to
StreamWriter Filewrite=new StreamWriter (Fileread,system.text.encoding.default);
Filewrite.write (Writeword);
Shut down
Filewrite.close ();
Filereadword.close ();
Fileread.close ();
}
Catch
{
Throw
}
}
/**////
Append content to File
public string Readerfiledata (string filepathname)
{
Try
{

FileStream fileread=new FileStream (System.web.httpcontext.current.server.mappath (Filepathname). ToString (), FileMode.Open,FileAccess.Read);
StreamReader filereadword=new StreamReader (Fileread,system.text.encoding.default);
String txtstring = Filereadword.readtoend (). ToString ();
Shut down
Filereadword.close ();
Fileread.close ();
return txtstring;
}
Catch
{
Throw
}
}
/**////
Read files for a folder
Public DirectoryInfo Checkvalidsessionpath (string filepathname)
{
Try
{
DirectoryInfo maindir = new DirectoryInfo (System.web.httpcontext.current.server.mappath (filepathname));
return maindir;
}
Catch
{
Throw
}
}
}
}