共用方式為


HttpVersion 類別

定義

定義 HttpWebRequestHttpWebResponse 類別 (Class) 支援的 HTTP 版本號碼。

public ref class HttpVersion abstract sealed
public ref class HttpVersion
public static class HttpVersion
public class HttpVersion
type HttpVersion = class
Public Class HttpVersion
繼承
HttpVersion

範例

下列範例示範 HttpVersion 的用法。

// 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

備註

類別 HttpVersion 會定義 類別所 HttpClient 支援的 HTTP 版本。 HTTP 版本號碼是用來控制 HTTP 的版本特定功能,例如管線和區塊化。

建構函式

HttpVersion()

初始化 HttpVersion 類別的新執行個體。

欄位

Unknown

定義未知 HTTP 版本的 Version 執行個體。

Version10

定義 HTTP 1.0 的 Version 執行個體。

Version11

定義 HTTP 1.1 的 Version 執行個體。

Version20

定義 HTTP 2.0 的 Version 執行個體。

Version30

定義 Version HTTP 3.0 的實例。

適用於