通过

OutputFormatterSelector.SelectFormatter 方法

  • 参考

定义

命名空间:
Microsoft.AspNetCore.Mvc.Infrastructure
程序集:
Microsoft.AspNetCore.Mvc.Core.dll
包:
Microsoft.AspNetCore.Mvc.Core v2.1.0
包:
Microsoft.AspNetCore.Mvc.Core v2.2.0
包:
Microsoft.AspNetCore.App.Ref v3.0.1
包:
Microsoft.AspNetCore.App.Ref v3.1.10
包:
Microsoft.AspNetCore.App.Ref v5.0.0
包:
Microsoft.AspNetCore.App.Ref v6.0.6
包:
Microsoft.AspNetCore.App.Ref v7.0.5
包:
Microsoft.AspNetCore.App.Ref v8.0.0
包:
Microsoft.AspNetCore.App.Ref v9.0.0-preview.4.24267.6
Source:
OutputFormatterSelector.cs

选择 ， IOutputFormatter 以根据提供的值和当前请求写入响应。

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

参数

context
OutputFormatterCanWriteContext

与 OutputFormatterCanWriteContext 当前请求关联的 。

formatters
IList<IOutputFormatter>

要使用的格式化程序列表;这充当对 的 OutputFormatters替代。

mediaTypes
MediaTypeCollection

要使用的媒体类型的列表;这充当标头的 Accept 替代。

返回

IOutputFormatter

所选 IOutputFormatter的 ; null 如果无法选择，则为 。

适用于