OutputFormatterSelector.SelectFormatter 方法

定義

選取 , IOutputFormatter 以根據提供的值和目前的要求來寫入回應。

public:
 abstract Microsoft::AspNetCore::Mvc::Formatters::IOutputFormatter ^ SelectFormatter(Microsoft::AspNetCore::Mvc::Formatters::OutputFormatterCanWriteContext ^ context, System::Collections::Generic::IList<Microsoft::AspNetCore::Mvc::Formatters::IOutputFormatter ^> ^ formatters, Microsoft::AspNetCore::Mvc::Formatters::MediaTypeCollection ^ mediaTypes);
public abstract Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter SelectFormatter (Microsoft.AspNetCore.Mvc.Formatters.OutputFormatterCanWriteContext context, System.Collections.Generic.IList<Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter> formatters, Microsoft.AspNetCore.Mvc.Formatters.MediaTypeCollection mediaTypes);
public abstract Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter? SelectFormatter (Microsoft.AspNetCore.Mvc.Formatters.OutputFormatterCanWriteContext context, System.Collections.Generic.IList<Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter> formatters, Microsoft.AspNetCore.Mvc.Formatters.MediaTypeCollection mediaTypes);
abstract member SelectFormatter : Microsoft.AspNetCore.Mvc.Formatters.OutputFormatterCanWriteContext * System.Collections.Generic.IList<Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter> * Microsoft.AspNetCore.Mvc.Formatters.MediaTypeCollection -> Microsoft.AspNetCore.Mvc.Formatters.IOutputFormatter
Public MustOverride Function SelectFormatter (context As OutputFormatterCanWriteContext, formatters As IList(Of IOutputFormatter), mediaTypes As MediaTypeCollection) As IOutputFormatter

參數

context
OutputFormatterCanWriteContext

OutputFormatterCanWriteContext與目前要求相關聯的 。

formatters
IList<IOutputFormatter>

要使用的格式器清單;這會作為 的 OutputFormatters 覆寫。

mediaTypes
MediaTypeCollection

要使用的媒體類型清單;這會作為標頭的 Accept 覆寫。

傳回

選取 IOutputFormatter 的 ,如果無法選取,則 null 為 。

適用於