HttpContentJsonExtensions.ReadFromJsonAsync Método
Definição
Importante
Algumas informações dizem respeito a um produto pré-lançado que pode ser substancialmente modificado antes de ser lançado. A Microsoft não faz garantias, de forma expressa ou implícita, em relação à informação aqui apresentada.
Sobrecargas
| Name | Description |
|---|---|
| ReadFromJsonAsync(HttpContent, Type, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
| ReadFromJsonAsync(HttpContent, Type, JsonSerializerOptions, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
| ReadFromJsonAsync(HttpContent, Type, JsonSerializerContext, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
| ReadFromJsonAsync<T>(HttpContent, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
| ReadFromJsonAsync<T>(HttpContent, JsonSerializerOptions, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
| ReadFromJsonAsync<T>(HttpContent, JsonTypeInfo<T>, CancellationToken) |
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona. |
ReadFromJsonAsync(HttpContent, Type, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
[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)Parâmetros
- content
- HttpContent
O conteúdo para ler.
- type
- Type
O tipo do objeto para desserializar e retornar.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
O objeto tarefa que representa a operação assíncrona.
- Atributos
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
Aplica-se a
ReadFromJsonAsync(HttpContent, Type, JsonSerializerOptions, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
[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)Parâmetros
- content
- HttpContent
O conteúdo para ler.
- type
- Type
O tipo do objeto para desserializar e retornar.
- options
- JsonSerializerOptions
Opções para controlar o comportamento durante a desserialização. As opções padrão são as especificadas por Web.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
O objeto tarefa que representa a operação assíncrona.
- Atributos
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
Aplica-se a
ReadFromJsonAsync(HttpContent, Type, JsonSerializerContext, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
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)Parâmetros
- content
- HttpContent
O conteúdo para ler.
- type
- Type
O tipo do objeto para desserializar e retornar.
- context
- JsonSerializerContext
O JsonSerializerContext era usado para controlar o comportamento de desserialização.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
O objeto tarefa que representa a operação assíncrona.
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
Aplica-se a
ReadFromJsonAsync<T>(HttpContent, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
[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)Parâmetros de Tipo Genérico
- T
O tipo de alvo para desserializar.
Parâmetros
- content
- HttpContent
O conteúdo para ler.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
Task<T>
O objeto tarefa que representa a operação assíncrona.
- Atributos
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
Aplica-se a
ReadFromJsonAsync<T>(HttpContent, JsonSerializerOptions, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
[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)Parâmetros de Tipo Genérico
- T
O tipo de alvo para desserializar.
Parâmetros
- content
- HttpContent
O conteúdo para ler.
- options
- JsonSerializerOptions
Opções para controlar o comportamento durante a desserialização. As opções padrão são as especificadas por Web.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
Task<T>
O objeto tarefa que representa a operação assíncrona.
- Atributos
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
Aplica-se a
ReadFromJsonAsync<T>(HttpContent, JsonTypeInfo<T>, CancellationToken)
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
- Origem:
- HttpContentJsonExtensions.cs
Lê o conteúdo HTTP e devolve o valor resultante da desserialização do conteúdo como JSON numa operação assíncrona.
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)Parâmetros de Tipo Genérico
- T
O tipo de alvo para desserializar.
Parâmetros
- content
- HttpContent
O conteúdo para ler.
- jsonTypeInfo
- JsonTypeInfo<T>
O JsonTypeInfo era usado para controlar o comportamento de desserialização.
- cancellationToken
- CancellationToken
Um token de cancelamento que pode ser usado por outros objetos ou threads para receber aviso de cancelamento.
Devoluções
Task<T>
O objeto tarefa que representa a operação assíncrona.
Exceções
O token de cancelamento foi cancelado. Esta exceção é armazenada na tarefa devolvida.
