HttpVersion Kelas

Definisi

Ruang nama:

System.Net

Rakitan:

System.Net.Primitives.dll

Sumber:

HttpVersion.cs

Menentukan nomor versi HTTP yang didukung oleh HttpWebRequest kelas dan HttpWebResponse .

public ref class HttpVersion abstract sealed

public static class HttpVersion

type HttpVersion = class

Public Class HttpVersion

Warisan

Object

HttpVersion

Contoh

Contoh berikut menunjukkan penggunaan 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

Keterangan

Kelas HttpVersion menentukan versi HTTP yang didukung oleh HttpClient kelas . Nomor versi HTTP digunakan untuk mengontrol fitur HTTP khusus versi, seperti pipelining dan pemotongan.

Bidang

Unknown	Menentukan instans Version untuk versi HTTP yang tidak diketahui.
Version10	Menentukan instans Version untuk HTTP 1.0.
Version11	Menentukan instans Version untuk HTTP 1.1.
Version20	Menentukan instans Version untuk HTTP 2.0.
Version30	Menentukan instans Version untuk HTTP 3.0.