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using Microsoft.AspNetCore.Hosting; //IWebHostBuilder using Microsoft.AspNetCore.Builder; //IApplicationBuilder using Microsoft.AspNetCore.Http; //WriteAsync using System.Threading.Tasks; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Logging; using Microsoft.AspNetCore; using System; namespace WebApplication1 { public class Startup { public void ConfigureServices(IServiceCollection services) { } public void Configure(IApplicationBuilder app) { app.UseMiddleware(typeof(TerminalMiddleware)); } } public class TerminalMiddleware { DateTime _date = DateTime.Now; public TerminalMiddleware(RequestDelegate next) { } public async Task Invoke(HttpContext context, ILogger<TerminalMiddleware> log) { log.LogDebug($"Request: {context.Request.Path}"); context.Response.Headers.Add("Content-Type", "text/plain"); await context.Response.WriteAsync($"Middleware is singleton. Keep refreshing the page. You will see that the date does not change {_date}."); } } public class Program { public static void Main(string[] args) { CreateWebHostBuilder(args).Build().Run(); } public static IWebHostBuilder CreateWebHostBuilder(string[] args) => WebHost.CreateDefaultBuilder(args) .UseStartup<Startup>() .UseEnvironment("Development"); } } |
결과 : Middleware is singleton. Keep refreshing the page. You will see that the date does not change 2019-09-25 오후 5:32:41.