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-rc.2.24474.3

Source:: OutputFormatterSelector.cs

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

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