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using Microsoft.AspNetCore.Hosting; //IWebHostBuilder using Microsoft.AspNetCore.Builder; //IApplicationBuilder using Microsoft.AspNetCore.Http; //WriteAsync using Microsoft.AspNetCore; //webHost using System.Threading.Tasks; namespace WebApplication1 { public class Startup { //StartUP public void Configure(IApplicationBuilder app) { app.Use(async (context, next) => { context.Items["content"] += "[1] -------- \n"; await next.Invoke(); context.Items["content"] += "[5] -------- \n"; await context.Response.WriteAsync(context.Items["Content"] as string); }); app.Use(async (context, next) => { context.Items["Content"] += "[2] Hello world \n";//2 await next.Invoke(); context.Items["Content"] += "[4] \n";//4 }); app.Run(context => { context.Items["Content"] += "[3] ----- \n";//3 return Task.CompletedTask; }); //app.Run(async (context) => //{ // await context.Response.WriteAsync("Hello World!"); //}); } } 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 : [2] Hello world [3] —– [4]