HttpListenerRequest.ContentLength64 Eigenschaft

  • Referenz

Definition

Namespace:
System.Net
Assembly:
System.Net.HttpListener.dll
Assembly:
System.dll
Assembly:
netstandard.dll

Ruft die Länge der in der Anforderung enthaltenen Textdaten ab.

public:
 property long ContentLength64 { long get(); };
public long ContentLength64 { get; }
member this.ContentLength64 : int64
Public ReadOnly Property ContentLength64 As Long

Eigenschaftswert

Int64

Der Wert des Content-Length-Headers der Anforderung. Dieser Wert ist -1, wenn die Inhaltslänge nicht bekannt ist.

Beispiele

Im folgenden Codebeispiel wird die ContentLength64 Eigenschaft beim Verarbeiten von Textkörperdaten verwendet.

public static void ShowRequestData (HttpListenerRequest request)
{
    if (!request.HasEntityBody)
    {
        Console.WriteLine("No client data was sent with the request.");
        return;
    }
    System.IO.Stream body = request.InputStream;
    System.Text.Encoding encoding = request.ContentEncoding;
    System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
    if (request.ContentType != null)
    {
        Console.WriteLine("Client data content type {0}", request.ContentType);
    }
    Console.WriteLine("Client data content length {0}", request.ContentLength64);

    Console.WriteLine("Start of client data:");
    // Convert the data to a string and display it on the console.
    string s = reader.ReadToEnd();
    Console.WriteLine(s);
    Console.WriteLine("End of client data:");
    body.Close();
    reader.Close();
    // If you are finished with the request, it should be closed also.
}

Public Shared Sub ShowRequestData(ByVal request As HttpListenerRequest)
    If Not request.HasEntityBody Then
        Console.WriteLine("No client data was sent with the request.")
        Return
    End If

    Dim body As System.IO.Stream = request.InputStream
    Dim encoding As System.Text.Encoding = request.ContentEncoding
    Dim reader As System.IO.StreamReader = New System.IO.StreamReader(body, encoding)

    If request.ContentType IsNot Nothing Then
        Console.WriteLine("Client data content type {0}", request.ContentType)
    End If

    Console.WriteLine("Client data content length {0}", request.ContentLength64)
    Console.WriteLine("Start of client data:")
    ' Convert the data to a string and display it on the console.
    Dim s As String = reader.ReadToEnd()
    Console.WriteLine(s)
    Console.WriteLine("End of client data:")
    body.Close()
    reader.Close()
    ' If you are finished with the request, it should be closed also.
End Sub

Hinweise

Der Content-Length Header drückt die Länge in Bytes der Textkörperdaten aus, die die Anforderung begleitet.

Eine vollständige Liste der Anforderungsheader finden Sie in der HttpRequestHeader Aufzählung.

Gilt für

Siehe auch