C# (Csharp) 프로그래밍

string.Format(“{0:s}.{0:fff}


DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);

String.Format("{0:y yy yyy yyyy}", dt);  // "8 08 008 2008"   year
String.Format("{0:M MM MMM MMMM}", dt);  // "3 03 Mar March"  month
String.Format("{0:d dd ddd dddd}", dt);  // "9 09 Sun Sunday" day
String.Format("{0:h hh H HH}",     dt);  // "4 04 16 16"      hour 12/24
String.Format("{0:m mm}",          dt);  // "5 05"            minute
String.Format("{0:s ss}",          dt);  // "7 07"            second
String.Format("{0:f ff fff ffff}", dt);  // "1 12 123 1230"   sec.fraction
String.Format("{0:F FF FFF FFFF}", dt);  // "1 12 123 123"    without zeroes
String.Format("{0:t tt}",          dt);  // "P PM"            A.M. or P.M.
String.Format("{0:z zz zzz}",      dt);  // "-6 -06 -06:00"   time zone

DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);

String.Format("{0:y yy yyy yyyy}", dt); // "8 08 008 2008" year

String.Format("{0:M MM MMM MMMM}", dt); // "3 03 Mar March" month

String.Format("{0:d dd ddd dddd}", dt); // "9 09 Sun Sunday" day

String.Format("{0:h hh H HH}", dt); // "4 04 16 16" hour 12/24

String.Format("{0:m mm}", dt); // "5 05" minute

String.Format("{0:s ss}", dt); // "7 07" second

String.Format("{0:f ff fff ffff}", dt); // "1 12 123 1230" sec.fraction

String.Format("{0:F FF FFF FFFF}", dt); // "1 12 123 123" without zeroes

String.Format("{0:t tt}", dt); // "P PM" A.M. or P.M.

String.Format("{0:z zz zzz}", dt); // "-6 -06 -06:00" time zone


String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9/3/2008 16:05:07" - english (en-US)
String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9.3.2008 16:05:07" - german (de-DE)

String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9/3/2008 16:05:07" - english (en-US)

String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9.3.2008 16:05:07" - german (de-DE)


tring.Format("{0:M/d/yyyy}", dt);            // "3/9/2008"
String.Format("{0:MM/dd/yyyy}", dt);          // "03/09/2008"

// day/month names
String.Format("{0:ddd, MMM d, yyyy}", dt);    // "Sun, Mar 9, 2008"
String.Format("{0:dddd, MMMM d, yyyy}", dt);  // "Sunday, March 9, 2008"

// two/four digit year
String.Format("{0:MM/dd/yy}", dt);            // "03/09/08"
String.Format("{0:MM/dd/yyyy}", dt);          // "03/09/2008"

tring.Format("{0:M/d/yyyy}", dt); // "3/9/2008"

String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"

// day/month names

String.Format("{0:ddd, MMM d, yyyy}", dt); // "Sun, Mar 9, 2008"

String.Format("{0:dddd, MMMM d, yyyy}", dt); // "Sunday, March 9, 2008"

// two/four digit year

String.Format("{0:MM/dd/yy}", dt); // "03/09/08"

String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"

Standard DateTime Formatting In DateTimeFormatInfo there are defined standard patterns for the current culture. For example property ShortTimePattern is string that contains value h:mm tt for en-US culture and value HH:mm for de-DE culture. Following table shows patterns defined in DateTimeFormatInfo and their values for en-US culture. First column contains format specifiers… Read More »

MVC Download File and View


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using Microsoft.AspNetCore.Mvc;
using System.Net.Http.Headers;

namespace StartupBasic
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc(routes =>
                routes.MapRoute(
                    name: "default_route",
                    template: "{controller}/{action}/{id?}",
                    defaults: new { controller = "Home", action = "Index" })
                );
        }
    }

    public class HomeController : Controller
    {
        IHostingEnvironment _env;

        public HomeController(IHostingEnvironment env)
        {
            _env = env;
        }

        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = "<html><body><h1>Download File</h1>Download a copy of  <a href=\"/home/hegel\">Hegel (pdf)</a></body></html>",
                ContentType = "text/html"
            };
        }


        //public FileStreamResult Hegel()
        //{
        //    var pathToIdeas = System.IO.Path.Combine(_env.WebRootPath, "hegel.pdf");

        //    //This is a contrite example to demonstrate returning a stream. If you have a physical file on disk, just use PhySicalFileResult that takes a path. 
        //    return new FileStreamResult(System.IO.File.OpenRead(pathToIdeas), "application/pdf")
        //    {
        //        FileDownloadName = "hegel.pdf"
        //    };
        //}

        public PhysicalFileResult Hegel()
        {
            var pathToIdeas = System.IO.Path.Combine(_env.WebRootPath, "hegel.pdf");

            return new PhysicalFileResult(pathToIdeas, "application/pdf");
        }
    }

    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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using Microsoft.AspNetCore.Mvc;

using System.Net.Http.Headers;

namespace StartupBasic

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc(routes =>

routes.MapRoute(

defaults: new { controller = "Home", action = "Index" })

);

}

public class HomeController : Controller

{

IHostingEnvironment _env;

public HomeController(IHostingEnvironment env)

{

_env = env;

}

public ActionResult Index()

{

return new ContentResult

{

Content = "<html><body><h1>Download File</h1>Download a copy of <a href=\"/home/hegel\">Hegel (pdf)</a></body></html>",

ContentType = "text/html"

};

}

//public FileStreamResult Hegel()

//{

// var pathToIdeas = System.IO.Path.Combine(_env.WebRootPath, "hegel.pdf");

// //This is a contrite example to demonstrate returning a stream. If you have a physical file on disk, just use PhySicalFileResult that takes a path.

// return new FileStreamResult(System.IO.File.OpenRead(pathToIdeas), "application/pdf")

// {

// FileDownloadName = "hegel.pdf"

// };

//}

public PhysicalFileResult Hegel()

{

var pathToIdeas = System.IO.Path.Combine(_env.WebRootPath, "hegel.pdf");

return new PhysicalFileResult(pathToIdeas, "application/pdf");

}

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 : Download File Download a copy of Hegel (pdf)

MVC routing-8


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using Microsoft.AspNetCore.Mvc;

namespace MvcRouting
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc();
        }
    }


    [Route("[controller]/[action]")]
    public class HomeController : Controller
    {
        [HttpGet("/")]
        [HttpGet("")]
        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <h1>[controller] and [action] replacement tokens examples</h1>
                <ul>
                    <li><a href=""/"">/</a></li>
                    <li><a href=""/home/index"">/home/index</a></li>
                    <li><a href=""/home/about"">/home/about</a></li>
                    <li><a href=""/about"">/about</a></li>
                </ul>
                </body></html>",
                ContentType = "text/html"
            };
        }

        public ActionResult About()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>About Page</b
                </body></html>",
                ContentType = "text/html"
            };
        }

        [HttpGet("/about")]
        public ActionResult About2()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>About Page 2</b
                </body></html>",
                ContentType = "text/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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using Microsoft.AspNetCore.Mvc;

namespace MvcRouting

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc();

}

[Route("[controller]/[action]")]

public class HomeController : Controller

{

[HttpGet("/")]

[HttpGet("")]

public ActionResult Index()

{

return new ContentResult

{

Content = @"

<h1>[controller] and [action] replacement tokens examples</h1>

<ul>

<li><a href=""/home/index"">/home/index</a></li>

<li><a href=""/home/about"">/home/about</a></li>

<li><a href=""/about"">/about</a></li>

</ul>

</body></html>",

ContentType = "text/html"

};

}

public ActionResult About()

{

return new ContentResult

{

Content = @"

<b>About Page</b

</body></html>",

ContentType = "text/html"

};

}

[HttpGet("/about")]

public ActionResult About2()

{

return new ContentResult

{

Content = @"

<b>About Page 2</b

</body></html>",

ContentType = "text/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");

}

결과 : [controller] replacement token examples •/ •/home/ •/home/about •/about

MVC routing-7


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using Microsoft.AspNetCore.Mvc;

namespace MvcRouting
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc();
        }
    }


    [Route("[controller]")]
    public class HomeController : Controller
    {
        [HttpGet("/")]
        [HttpGet("")] //You have to do this otherwise /Home/Index won't work
        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <h1>[controller] replacement token examples</h1>
                <ul>
                    <li><a href=""/"">/</a></li>
                    <li><a href=""/home/"">/home/</a></li>
                    <li><a href=""/home/about"">/home/about</a></li>
                    <li><a href=""/about"">/about</a></li>
                </ul>
                </body></html>",
                ContentType = "text/html"
            };
        }

        [HttpGet("about")]
        public ActionResult About()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>About Page</b
                </body></html>",
                ContentType = "text/html"
            };
        }

        [HttpGet("/about")]
        public ActionResult About2()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>About Page 2</b
                </body></html>",
                ContentType = "text/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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using Microsoft.AspNetCore.Mvc;

namespace MvcRouting

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc();

}

[Route("[controller]")]

public class HomeController : Controller

{

[HttpGet("/")]

[HttpGet("")] //You have to do this otherwise /Home/Index won't work

public ActionResult Index()

{

return new ContentResult

{

Content = @"

<h1>[controller] replacement token examples</h1>

<ul>

<li><a href=""/home/about"">/home/about</a></li>

<li><a href=""/about"">/about</a></li>

</ul>

</body></html>",

ContentType = "text/html"

};

}

[HttpGet("about")]

public ActionResult About()

{

return new ContentResult

{

Content = @"

<b>About Page</b

</body></html>",

ContentType = "text/html"

};

}

[HttpGet("/about")]

public ActionResult About2()

{

return new ContentResult

{

Content = @"

<b>About Page 2</b

</body></html>",

ContentType = "text/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");

}

결과 : [controller] replacement token examples •/ •/home/ •/home/about •/about

MVC routing-1


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using Microsoft.AspNetCore.Mvc;

namespace MvcRouting
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc(routes => {
                routes.MapRoute(
                    name: "home",
                    template: "/",
                    defaults: new { controller = "Home", action = "Index" });

                routes.MapRoute(
                    name: "default",
                    template: "{controller}/{action}",
                    defaults: new { controller = "Home", action = "Index" });

            });
        }
    }

    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>Hello World</b>
                <br/><br/>
                The following links call the same controller and action.
                <ul>
                    <li><a href=""/"">/</a></li>
                    <li><a href=""/Home"">/Home</a></li>
                    <li><a href=""/Home/index"">/Home/index</a></li>
                </ul>
                </body></html>",
                ContentType = "text/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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using Microsoft.AspNetCore.Mvc;

namespace MvcRouting

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc(routes => {

routes.MapRoute(

defaults: new { controller = "Home", action = "Index" });

routes.MapRoute(

defaults: new { controller = "Home", action = "Index" });

});

}

public class HomeController : Controller

{

public ActionResult Index()

{

return new ContentResult

{

Content = @"

<b>Hello World</b>

The following links call the same controller and action.

<ul>

<li><a href=""/Home/index"">/Home/index</a></li>

</ul>

</body></html>",

ContentType = "text/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");

}

결과 : Hello World The following links call the same controller and action. •/ •/home •/home/index 동일 :


namespace MvcRouting
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc();
        }
    }

    [Route("")]
    [Route("Home")]
    [Route("Home/Index")]
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = @"
                <html><body>
                <b>Hello World</b>
                <br/><br/>
                The following links call the same controller and action.
                <ul>
                    <li><a href=""/"">/</a></li>
                    <li><a href=""/home"">/home</a></li>
                    <li><a href=""/home/index"">/home/index</a></li>
                </ul>
                </body></html>",
                ContentType = "text/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");
    }
}

namespace MvcRouting

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc();

}

[Route("")]

[Route("Home")]

[Route("Home/Index")]

public class HomeController : Controller

{

public ActionResult Index()

{

return new ContentResult

{

Content = @"

<b>Hello World</b>

The following links call the same controller and action.

<ul>

<li><a href=""/home/index"">/home/index</a></li>

</ul>

</body></html>",

ContentType = "text/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");

}

MVC hello-world


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using Microsoft.AspNetCore.Mvc;

namespace StartupBasic
{
    public class Startup
    {
        public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            //These are three services available at constructor
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore().
                SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)
        {
            app.UseMvc(routes =>
                routes.MapRoute(
                    name: "default_route",
                    template: "{controller}/{action}/{id?}",
                    defaults: new { controller = "Home", action = "Index" })
                );
        }
    }

    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return new ContentResult
            {
                Content = "<html><body><b>Hello World</b></body></html>",
                ContentType = "text/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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using Microsoft.AspNetCore.Mvc;

namespace StartupBasic

{

public class Startup

{

public Startup(IHostingEnvironment env, ILoggerFactory logger, IConfiguration configuration)

{

//These are three services available at constructor

}

public void ConfigureServices(IServiceCollection services)

{

services.AddMvcCore().

SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

}

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

{

app.UseMvc(routes =>

routes.MapRoute(

defaults: new { controller = "Home", action = "Index" })

);

}

public class HomeController : Controller

{

public ActionResult Index()

{

return new ContentResult

{

Content = "<html><body><b>Hello World</b></body></html>",

ContentType = "text/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");

}

결과 : Hello World

mvc-output-xml


using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Mvc.Formatters;

namespace MvcOutputXml
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc(config =>
            {
                config.OutputFormatters.Add(new XmlSerializerOutputFormatter());
            });
        }

        public void Configure(IApplicationBuilder app)
        {
            app.UseMvc();
        }
    }

    public class Greeting
    {
        public bool Hello { get; set; }
        public bool World { get; set; }
    }

    public class HomeController : Controller
    {
        [HttpGet("")]
        public IActionResult Index()
        {
            var h = new Greeting
            {
                Hello = true,
                World = true
            };

            Response.ContentType = "text/xml";
            return Ok(h);
        }
    }

    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");
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.AspNetCore.Routing;

using Microsoft.AspNetCore.Mvc;

using Microsoft.AspNetCore;

using Microsoft.AspNetCore.Mvc.Formatters;

namespace MvcOutputXml

{

public class Startup

{

public void ConfigureServices(IServiceCollection services)

{

services.AddMvc(config =>

{

config.OutputFormatters.Add(new XmlSerializerOutputFormatter());

});

}

public void Configure(IApplicationBuilder app)

{

app.UseMvc();

}

public class Greeting

{

public bool Hello { get; set; }

public bool World { get; set; }

}

public class HomeController : Controller

{

[HttpGet("")]

public IActionResult Index()

{

var h = new Greeting

{

Hello = true,

World = true

};

Response.ContentType = "text/xml";

return Ok(h);

}

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


<?xml version="1.0"?>
<Greeting xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Hello>true</Hello>
<World>true</World>
</Greeting>

<?xml version="1.0"?>

</Greeting>

visual studio 2017 net core 설치

1. 사이트 https://visualstudio.microsoft.com/ko/downloads/ 2. 다운로드 및 설치 3. 설치중 4. Net core 프로그램 선택 후 설치 5. 설치중

web-utilities-query-helpers-2


using Microsoft.AspNetCore.Hosting; //IWebHostBuilder
using Microsoft.AspNetCore.Builder; //IApplicationBuilder
using Microsoft.AspNetCore.Http; //WriteAsync
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using System.Collections.Generic;
using Microsoft.AspNetCore.WebUtilities; //QueryHelpers

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, IConfiguration configuration)
        {
            app.Run(async context =>
            {
                var queryString = QueryHelpers.ParseQuery(context.Request.QueryString.ToString());

                var output = "";

                foreach (var qs in queryString)
                {
                    output += qs.Key + " = " + qs.Value + "<br/>";
                }
                await context.Response.WriteAsync($@"<html>
                <body>
                <h1>Parsing Raw Query String</h1>
                <ul>
                    <li><a href=""?name=anne"">?name=anne</a></li>
                    <li><a href=""?name=anne&name=mishkind"">?name=anne&name=mishkind</a></li>
                    <li><a href=""?age=25&smart=true"">?age=25&smart=true</a></li>
                    <li><a href=""?country=zambia&country=senegal&country="">?country=zambia&country=senegal&country=</a></li>
                    <li><a href=""?"">?</a></li>
                    <br /><br /> 
                    <strong>Query String</strong><br/> 
                    {output}
                </ul>
                </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");
    }
}

using Microsoft.AspNetCore.Hosting; //IWebHostBuilder

using Microsoft.AspNetCore.Builder; //IApplicationBuilder

using Microsoft.AspNetCore.Http; //WriteAsync

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.Logging;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using System.Collections.Generic;

using Microsoft.AspNetCore.WebUtilities; //QueryHelpers

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, IConfiguration configuration)

{

app.Run(async context =>

{

var queryString = QueryHelpers.ParseQuery(context.Request.QueryString.ToString());

var output = "";

foreach (var qs in queryString)

{

output += qs.Key + " = " + qs.Value + "<br/>";

}

await context.Response.WriteAsync($@"<html>

<body>

<h1>Parsing Raw Query String</h1>

<ul>

<li><a href=""?name=anne&name=mishkind"">?name=anne&name=mishkind</a></li>

<li><a href=""?age=25&smart=true"">?age=25&smart=true</a></li>

<li><a href=""?country=zambia&country=senegal&country="">?country=zambia&country=senegal&country=</a></li>

<strong>Query String</strong><br/>

{output}

</ul>

</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");

}

결과 : Parsing Raw Query String •?name=anne •?name=anne&name=mishkind •?age=25&smart=true •?country=zambia&country=senegal&country= •? Query String name = anne,mishkind

web-utilities-query-helpers


using Microsoft.AspNetCore.Hosting; //IWebHostBuilder
using Microsoft.AspNetCore.Builder; //IApplicationBuilder
using Microsoft.AspNetCore.Http; //WriteAsync
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore;
using Microsoft.Extensions.Configuration;
using System.Collections.Generic;
using Microsoft.AspNetCore.WebUtilities; //QueryHelpers

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, IConfiguration configuration)
        {
            var arguments = new Dictionary<string, string>()
            {
                {"greetings", "hello-world"},
                {"origin", "cairo"}
            };

            var path = QueryHelpers.AddQueryString("/greet", arguments);

            app.Run(context =>
            {
                return context.Response.WriteAsync($"{path}");
            });
        }
    }

    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");
    }
}

using Microsoft.AspNetCore.Hosting; //IWebHostBuilder

using Microsoft.AspNetCore.Builder; //IApplicationBuilder

using Microsoft.AspNetCore.Http; //WriteAsync

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.Logging;

using Microsoft.AspNetCore;

using Microsoft.Extensions.Configuration;

using System.Collections.Generic;

using Microsoft.AspNetCore.WebUtilities; //QueryHelpers

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, IConfiguration configuration)

{

var arguments = new Dictionary<string, string>()

{

{"greetings", "hello-world"},

{"origin", "cairo"}

};

var path = QueryHelpers.AddQueryString("/greet", arguments);

app.Run(context =>

{

return context.Response.WriteAsync($"{path}");

});

}

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 : /greet?greetings=hello-world&origin=cairo