HttpVersion Třída

Definice

Obor názvů:

System.Net

Sestavení:

System.Net.Primitives.dll

Zdroj:

HttpVersion.cs

Definuje čísla verzí PROTOKOLU HTTP, která jsou podporována třídami HttpWebRequest a HttpWebResponse .

public ref class HttpVersion abstract sealed

public static class HttpVersion

type HttpVersion = class

Public Class HttpVersion

Dědičnost

Object

HttpVersion

Příklady

Následující příklad ukazuje použití .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

Poznámky

Třída HttpVersion definuje verze PROTOKOLU HTTP, které jsou podporovány HttpClient třídou . Číslo verze PROTOKOLU HTTP slouží k řízení funkcí HTTP specifických pro konkrétní verzi, jako je vytváření kanálů a dělení bloků dat.

Pole

Unknown	Definuje Version instanci pro neznámou verzi protokolu HTTP.
Version10	Definuje Version instanci pro HTTP 1.0.
Version11	Definuje Version instanci pro HTTP 1.1.
Version20	Definuje Version instanci pro HTTP 2.0.
Version30	Definuje Version instanci pro HTTP 3.0.