HttpContentJsonExtensions.ReadFromJsonAsync Método

Definición

Espacio de nombres:: System.Net.Http.Json

Ensamblado:: System.Net.Http.Json.dll

Paquete:: System.Net.Http.Json v11.0.0-preview.4.26230.115

Importante

Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.

Sobrecargas

Nombre	Description
ReadFromJsonAsync(HttpContent, Type, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.
ReadFromJsonAsync(HttpContent, Type, JsonSerializerOptions, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.
ReadFromJsonAsync(HttpContent, Type, JsonSerializerContext, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.
ReadFromJsonAsync<T>(HttpContent, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.
ReadFromJsonAsync<T>(HttpContent, JsonSerializerOptions, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.
ReadFromJsonAsync<T>(HttpContent, JsonTypeInfo<T>, CancellationToken)	Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

ReadFromJsonAsync(HttpContent, Type, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Threading.CancellationToken cancellationToken = default);

[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")>]
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

<Extension()>
Public Function ReadFromJsonAsync (content As HttpContent, type As Type, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Object)

Parámetros

content: HttpContent

Contenido del que se va a leer.

type: Type

Tipo del objeto que se va a deserializar en y devolver.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<Object>

Objeto de tarea que representa la operación asincrónica.

Atributos: RequiresDynamicCodeAttribute RequiresUnreferencedCodeAttribute

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

ReadFromJsonAsync(HttpContent, Type, JsonSerializerOptions, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.JsonSerializerOptions? options, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.JsonSerializerOptions? options, System.Threading.CancellationToken cancellationToken = default);

[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")>]
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

<Extension()>
Public Function ReadFromJsonAsync (content As HttpContent, type As Type, options As JsonSerializerOptions, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Object)

<Extension()>
Public Function ReadFromJsonAsync (content As HttpContent, type As Type, Optional options As JsonSerializerOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Object)

Parámetros

content: HttpContent

Contenido del que se va a leer.

type: Type

Tipo del objeto que se va a deserializar en y devolver.

options: JsonSerializerOptions

Opciones para controlar el comportamiento durante la deserialización. Las opciones predeterminadas son las especificadas por Web.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<Object>

Objeto de tarea que representa la operación asincrónica.

Atributos: RequiresDynamicCodeAttribute RequiresUnreferencedCodeAttribute

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

ReadFromJsonAsync(HttpContent, Type, JsonSerializerContext, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

public static System.Threading.Tasks.Task<object?> ReadFromJsonAsync(this System.Net.Http.HttpContent content, Type type, System.Text.Json.Serialization.JsonSerializerContext context, System.Threading.CancellationToken cancellationToken = default);

static member ReadFromJsonAsync : System.Net.Http.HttpContent * Type * System.Text.Json.Serialization.JsonSerializerContext * System.Threading.CancellationToken -> System.Threading.Tasks.Task<obj>

<Extension()>
Public Function ReadFromJsonAsync (content As HttpContent, type As Type, context As JsonSerializerContext, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Object)

Parámetros

content: HttpContent

Contenido del que se va a leer.

type: Type

Tipo del objeto que se va a deserializar en y devolver.

context: JsonSerializerContext

JsonSerializerContext usado para controlar el comportamiento de deserialización.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<Object>

Objeto de tarea que representa la operación asincrónica.

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

ReadFromJsonAsync<T>(HttpContent, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Threading.CancellationToken cancellationToken = default);

[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")>]
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

<Extension()>
Public Function ReadFromJsonAsync(Of T) (content As HttpContent, Optional cancellationToken As CancellationToken = Nothing) As Task(Of T)

Parámetros de tipo

T

Tipo de destino al que se va a deserializar.

Parámetros

content: HttpContent

Contenido del que se va a leer.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<T>

Objeto de tarea que representa la operación asincrónica.

Atributos: RequiresDynamicCodeAttribute RequiresUnreferencedCodeAttribute

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

ReadFromJsonAsync<T>(HttpContent, JsonSerializerOptions, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.JsonSerializerOptions? options, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.JsonSerializerOptions? options = default, System.Threading.CancellationToken cancellationToken = default);

public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.JsonSerializerOptions? options, System.Threading.CancellationToken cancellationToken = default);

[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext.")>]
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")>]
static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Text.Json.JsonSerializerOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

<Extension()>
Public Function ReadFromJsonAsync(Of T) (content As HttpContent, options As JsonSerializerOptions, Optional cancellationToken As CancellationToken = Nothing) As Task(Of T)

<Extension()>
Public Function ReadFromJsonAsync(Of T) (content As HttpContent, Optional options As JsonSerializerOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of T)

Parámetros de tipo

T

Tipo de destino al que se va a deserializar.

Parámetros

content: HttpContent

Contenido del que se va a leer.

options: JsonSerializerOptions

Opciones para controlar el comportamiento durante la deserialización. Las opciones predeterminadas son las especificadas por Web.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<T>

Objeto de tarea que representa la operación asincrónica.

Atributos: RequiresDynamicCodeAttribute RequiresUnreferencedCodeAttribute

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

ReadFromJsonAsync<T>(HttpContent, JsonTypeInfo<T>, CancellationToken)

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Source:: HttpContentJsonExtensions.cs

Lee el contenido HTTP y devuelve el valor resultante de deserializar el contenido como JSON en una operación asincrónica.

public static System.Threading.Tasks.Task<T?> ReadFromJsonAsync<T>(this System.Net.Http.HttpContent content, System.Text.Json.Serialization.Metadata.JsonTypeInfo<T> jsonTypeInfo, System.Threading.CancellationToken cancellationToken = default);

static member ReadFromJsonAsync : System.Net.Http.HttpContent * System.Text.Json.Serialization.Metadata.JsonTypeInfo<'T> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<'T>

<Extension()>
Public Function ReadFromJsonAsync(Of T) (content As HttpContent, jsonTypeInfo As JsonTypeInfo(Of T), Optional cancellationToken As CancellationToken = Nothing) As Task(Of T)

Parámetros de tipo

T

Tipo de destino al que se va a deserializar.

Parámetros

content: HttpContent

Contenido del que se va a leer.

jsonTypeInfo: JsonTypeInfo<T>

JsonTypeInfo usado para controlar el comportamiento de deserialización.

cancellationToken: CancellationToken

Token de cancelación que otros objetos o subprocesos pueden usar para recibir un aviso de cancelación.

Devoluciones

Task<T>

Objeto de tarea que representa la operación asincrónica.

Excepciones

OperationCanceledException

Se canceló el token de cancelación. Esta excepción se almacena en la tarea devuelta.

Se aplica a

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