Control.MapPathSecure(String) Metoda

Definicja

Pobiera ścieżkę fizyczną, do której jest mapowana ścieżka wirtualna (absolutna lub względna).Retrieves the physical path that a virtual path, either absolute or relative, maps to.

protected:
 System::String ^ MapPathSecure(System::String ^ virtualPath);
protected public:
 System::String ^ MapPathSecure(System::String ^ virtualPath);
protected string MapPathSecure (string virtualPath);
protected internal string MapPathSecure (string virtualPath);
member this.MapPathSecure : string -> string
Protected Function MapPathSecure (virtualPath As String) As String
Protected Friend Function MapPathSecure (virtualPath As String) As String

Parametry

virtualPath
String

Względny lub główny adres URL.A relative or root relative URL.

Zwraca

Ścieżka fizyczna do żądanego pliku.The physical path to the requested file.

Wyjątki

virtualPath jest null lub jest pustym ciągiem ("").virtualPath is null or an empty string ("").

Przykłady

W poniższym przykładzie zastosowano metodę MapPathSecure, aby uzyskać fizyczną ścieżkę katalogu zawierającego Page lub UserControl obiektu.The following example uses the MapPathSecure method to obtain the physical path of a virtual directory of the containing Page or UserControl object.

// An HttpException occurs if the server control does not,;
// have permissions to read the resulting mapped file. 
     output.Write("The Actual Path of the virtual directory : "+
     MapPathSecure(TemplateSourceDirectory)+"<br>");

    // Get all the files from the absolute path of 'MyControl';
    // using TemplateSourceDirectory which gives the virtual Directory.
        string [] myFiles=
        Directory.GetFiles(MapPathSecure(TemplateSourceDirectory));
        output.Write("The files in this Directory are <br>");

         // List all the files.
         for (int i=0;i<myFiles.Length;i++)
            output.Write(myFiles[i]+"<br>");
' An HttpException occurs if the server control does not,;
' have permissions to read the resulting mapped file.
output.Write("The Actual Path of the virtual directory : " & _
            MapPathSecure(TemplateSourceDirectory) & "<br>")

' Get all the files from the absolute path of 'MyControl';
' using TemplateSourceDirectory which gives the virtual Directory.
Dim myFiles As String() = Directory.GetFiles(MapPathSecure(TemplateSourceDirectory))
output.Write("The files in this Directory are <br>")

' List all the files.
Dim i As Integer
For i = 0 To myFiles.Length - 1
   output.Write(myFiles(i) & "<br>")
Next i

Uwagi

Ta metoda może być używana tylko przez formanty serwera, które mają uprawnienia do odczytu plików i które są częścią w pełni zaufanych plików DLL, takich jak system. Web. dll.This method can only be used by server controls that have permissions to read files and which are part of fully trusted .dll files, such as System.Web.dll. Pozwala to zapobiec naruszeniom zabezpieczeń.This helps prevent security breaches.

Dotyczy