https://github.com/dotnet/aspnetcore/blob/39f0e0b8f40b4754418f81aef0de58a9204a1fe5/src/Mvc/Mvc.Core/src/StatusCodeResult.cs#L1
// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. using Microsoft.AspNetCore.Mvc.Infrastructure; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Logging; namespace Microsoft.AspNetCore.Mvc; /// <summary> /// Represents an <see cref="ActionResult"/> that when executed will /// produce an HTTP response with the given response status code. /// </summary> public partial class StatusCodeResult : ActionResult, IClientErrorActionResult { /// <summary> /// Initializes a new instance of the <see cref="StatusCodeResult"/> class /// with the given <paramref name="statusCode"/>. /// </summary> /// <param name="statusCode">The HTTP status code of the response.</param> public StatusCodeResult([ActionResultStatusCode] int statusCode) { StatusCode = statusCode; } /// <summary> /// Gets the HTTP status code. /// </summary> public int StatusCode { get; } int? IStatusCodeActionResult.StatusCode => StatusCode; /// <inheritdoc /> public override void ExecuteResult(ActionContext context) { if (context == null) { throw new ArgumentNullException(nameof(context)); } var httpContext = context.HttpContext; var factory = httpContext.RequestServices.GetRequiredService<ILoggerFactory>(); var logger = factory.CreateLogger<StatusCodeResult>(); Log.HttpStatusCodeResultExecuting(logger, StatusCode); httpContext.Response.StatusCode = StatusCode; } private static partial class Log { [LoggerMessage(1, LogLevel.Information, "Executing StatusCodeResult, setting HTTP status code {StatusCode}", EventName = "HttpStatusCodeResultExecuting")] public static partial void HttpStatusCodeResultExecuting(ILogger logger, int statusCode); } }
原文地址:http://www.cnblogs.com/qqhfeng/p/16907984.html
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