[C#/ASP.NET MVC/.NETCORE] StatusCodePagesExtensions 클래스 : UseStatusCodePagesWithReExecute 확장 메소드를 사용해 대체 경로로 다시 요청을 실행하는 상태 코드 페이지 미들웨어 추가하기

TestProject.zip

다운로드

▶ Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace TestProject
{
    /// <summary>
    /// 시작
    /// </summary>
    public class Startup
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 구성 - Configuration

        /// <summary>
        /// 구성
        /// </summary>
        public IConfiguration Configuration { get; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - Startup(configuration)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="configuration">구성</param>
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 서비스 컬렉션 구성하기 - ConfigureServices(services)

        /// <summary>
        /// 서비스 컬렉션 구성하기
        /// </summary>
        /// <param name="services">서비스 컬렉션</param>
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();
        }

        #endregion
        #region 구성하기 - Configure(app, environment)

        /// <summary>
        /// 구성하기
        /// </summary>
        /// <param name="app">애플리케이션 빌더</param>
        /// <param name="environment">웹 호스트 환경</param>
        public void Configure(IApplicationBuilder app, IWebHostEnvironment environment)
        {
            if(environment.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");

                app.UseHsts();
            }

            app.UseHttpsRedirection();

            app.UseStaticFiles();

            app.UseStatusCodePagesWithReExecute("/Home/StatusCode", "?code={0}");

            app.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints
            (
                endpoints =>
                {
                    endpoints.MapControllerRoute
                    (
                        name    : "default",
                        pattern : "{controller=Home}/{action=Index}/{id?}"
                    );
                }
            );
        }

        #endregion
    }
}

 

728x90

 

▶ Controllers/HomeController.cs

using Microsoft.AspNetCore.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using System.Diagnostics;

using TestProject.Models;

namespace TestProject.Controllers
{
    /// <summary>
    /// 홈 컨트롤러
    /// </summary>
    public class HomeController : Controller
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 로그 작업자
        /// </summary>
        private readonly ILogger<HomeController> logger;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - HomeController(logger)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="logger">로그 작업자</param>
        public HomeController(ILogger<HomeController> logger)
        {
            this.logger = logger;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 인덱스 페이지 처리하기 - Index()

        /// <summary>
        /// 인덱스 페이지 처리하기
        /// </summary>
        /// <returns>액션 결과</returns>
        public IActionResult Index()
        {
            return View();
        }

        #endregion
        #region 프라이버시 페이지 처리하기 - Privacy()

        /// <summary>
        /// 프라이버시 페이지 처리하기
        /// </summary>
        /// <returns>액션 결과</returns>
        public IActionResult Privacy()
        {
            return View();
        }

        #endregion
        #region 에러 페이지 처리하기 - Error()

        /// <summary>
        /// 에러 페이지 처리하기
        /// </summary>
        /// <returns>액션 결과</returns>
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult Error()
        {
            return View(new ErrorViewModel { RequestID = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
        }

        #endregion
        #region 상태 코드 페이지 처리하기 - StatusCode()

        /// <summary>
        /// 상태 코드 페이지 처리하기
        /// </summary>
        /// <returns>액션 결과</returns>
        public IActionResult StatusCode(string code)
        {
            ViewData["Code"] = code;

            IStatusCodeReExecuteFeature feature = HttpContext.Features.Get<IStatusCodeReExecuteFeature>();

            if(feature != null)
            {
                ViewData["OriginalURL"] = feature.OriginalPathBase + feature.OriginalPath + feature.OriginalQueryString;
            }

            return View();
        }

        #endregion
    }
}

 

300x250

 

▶ Views/Home/StatusCode.cshtml

@{ Layout = null; }
<p>상태 코드 페이지</p>
<hr />
<p>상태 코드 : @ViewData["Code"]</p>
<p>원본 URL : @ViewData["OriginalURL"]</p>