HttpVersion Clase

Definición

Espacio de nombres:

System.Net

Ensamblado:

System.Net.Primitives.dll

Source:

HttpVersion.cs

Define los números de versión de HTTP admitidos por las clases HttpWebRequest y HttpWebResponse.

public ref class HttpVersion abstract sealed

public static class HttpVersion

type HttpVersion = class

Public Class HttpVersion

Herencia

Object

HttpVersion

Ejemplos

El siguiente ejemplo muestra el uso de HttpVersion.

// HttpClient lifecycle management best practices:
// https://learn.microsoft.com/dotnet/fundamentals/networking/http/httpclient-guidelines#recommended-use
HttpClient^ client = gcnew HttpClient();

HttpRequestMessage^ request = new HttpRequestMessage(HttpMethod::Get, "http://www.microsoft.com");
Console::WriteLine("Default HTTP request version is {0}", request.Version);

request.Version = HttpVersion.Version10;
Console::WriteLine("Request version after assignment is {0}", request.Version);

HttpResponseMessage^ response = client->Send(request);
Console::WriteLine("Response HTTP version {0}", response.Version);

// HttpClient lifecycle management best practices:
// https://learn.microsoft.com/dotnet/fundamentals/networking/http/httpclient-guidelines#recommended-use
using HttpClient client = new HttpClient();

using HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://www.microsoft.com");
Console.WriteLine("Default HTTP request version is {0}", request.Version);

request.Version = HttpVersion.Version10;
Console.WriteLine("Request version after assignment is {0}", request.Version);

using HttpResponseMessage response = client.Send(request);
Console.WriteLine("Response HTTP version {0}", response.Version);

' HttpClient lifecycle management best practices:
' https://learn.microsoft.com/dotnet/fundamentals/networking/http/httpclient-guidelines#recommended-use
Using client As New HttpClient()
    Using request As New HttpRequestMessage(HttpMethod.Get, "http://www.microsoft.com")
        Console.WriteLine("Default HTTP request version is {0}", request.Version)

        request.Version = HttpVersion.Version10
        Console.WriteLine("Request version after assignment is {0}", request.Version)

        Using response As HttpResponseMessage = client.Send(request)
            Console.WriteLine("Response HTTP version {0}", response.Version)
        End Using
    End Using
End Using

Comentarios

La HttpVersion clase define las versiones HTTP admitidas por la HttpClient clase . El número de versión HTTP se usa para controlar las características específicas de la versión de HTTP, como la canalización y la fragmentación.

Campos

Unknown	Define una instancia de Version para una versión HTTP desconocida.
Version10	Define una instancia de Version para HTTP 1,0.
Version11	Define una instancia de Version para HTTP 1.1.
Version20	Define una instancia de Version para HTTP 2.0.
Version30	Define una Version instancia para HTTP 3.0.