hello-world-startup-basic-request-query-string-2


using Microsoft.AspNetCore.Hosting; //IWebHostBuilder
using Microsoft.AspNetCore.Builder; //IApplicationBuilder
using Microsoft.AspNetCore.Http; //WriteAsync
using Microsoft.AspNetCore; //webHost
using Microsoft.Extensions.Logging;//ILoggerFactory
using Microsoft.Extensions.DependencyInjection; // IServiceCollection
using Microsoft.Extensions.Primitives; //StringValues

namespace WebApplication1
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger)
        {
            //These are two services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            //This is the only service available at ConfigureServices
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger)
        {
            app.Run(async context =>
            {
                context.Response.Headers.Add("content-type", "text/html");

                StringValues queryString = context.Request.Query["message"];

                await context.Response.WriteAsync("<html><body>");
                await context.Response.WriteAsync("<h1>Query String with multiple values</h1>");
                await context.Response.WriteAsync(@"<a href=""?message=hello&message=world&message=again"">click this link to add query string</a><br/><br/>");
                await context.Response.WriteAsync("<ul>");
                foreach (string v in queryString)
                {
                    await context.Response.WriteAsync($"<li>{v}</li>");
                }
                await context.Response.WriteAsync("</ul>");
                await context.Response.WriteAsync("</body></html>");
            });
        }
    }



    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"); //You can change this to "Production" to use StartupProduction
    }
}

using Microsoft.AspNetCore.Hosting; //IWebHostBuilder

using Microsoft.AspNetCore.Builder; //IApplicationBuilder

using Microsoft.AspNetCore.Http; //WriteAsync

using Microsoft.AspNetCore; //webHost

using Microsoft.Extensions.Logging;//ILoggerFactory

using Microsoft.Extensions.DependencyInjection; // IServiceCollection

using Microsoft.Extensions.Primitives; //StringValues

namespace WebApplication1

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger)

{

//These are two services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

//This is the only service available at ConfigureServices

}

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger)

{

app.Run(async context =>

{

context.Response.Headers.Add("content-type", "text/html");

StringValues queryString = context.Request.Query["message"];

await context.Response.WriteAsync("<html><body>");

await context.Response.WriteAsync("<h1>Query String with multiple values</h1>");

await context.Response.WriteAsync(@"<a href=""?message=hello&message=world&message=again"">click this link to add query string</a><br/><br/>");

await context.Response.WriteAsync("<ul>");

foreach (string v in queryString)

{

await context.Response.WriteAsync($"<li>{v}</li>");

}

await context.Response.WriteAsync("</ul>");

await context.Response.WriteAsync("</body></html>");

});

}

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"); //You can change this to "Production" to use StartupProduction

}

결과 :
Query String with multiple values
click this link to add query string

•hello
•world
•again