WEB API Archives - 2 중 2 번째 페이지

[C#/WEB API/.NETCORE] ControllerBase 클래스 : Response 속성을 사용해 파일 다운로드시 스트리밍 처리하기

■ ControllerBase 클래스의 Response 속성을 사용해 파일 다운로드시 스트리밍을 처리하는 방법을 보여준다. ▶ Controllers/TestController.cs


using Microsoft.AspNetCore.Mvc;
using Microsoft.Net.Http.Headers;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

namespace TestProject.Controllers
{
    /// <summary>
    /// 테스트 컨트롤러
    /// </summary>
    [ApiController]
    [Route("api/[controller]")]
    public class TestController : Controller
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 값 리스트 구하기 - GetValueList() // GET api/test

        /// <summary>
        /// 값 리스트 구하기
        /// </summary>
        /// <returns>값 리스트</returns>
        [HttpGet]
        public List<string> GetValueList()
        {
            return new List<string> { "value1", "value2" };
        }

        #endregion
        #region 파일 다운로드 하기 - DownloadFile() // GET api/test/download

        /// <summary>
        /// 파일 다운로드 하기
        /// </summary>
        /// <returns>태스크</returns>
        [HttpGet]
        [Route("download")]
        public async Task DownloadFile()
        {
            string filePath = @"d:\The Best of New Age Music Collection.mp4";

            Response.Headers.Add(HeaderNames.ContentType       , "application/octet-stream");
            Response.Headers.Add(HeaderNames.ContentDisposition, $"attachment; filename=\"{Path.GetFileName(filePath)}\"" );

            Response.StatusCode = 200;

            Stream sourceStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
            Stream targetStream = Response.Body;

            int bufferSize = 1024;

            byte[] bufferByteArray = new byte[bufferSize];

            while(true)
            {
                int readCount = await sourceStream.ReadAsync(bufferByteArray, 0, bufferSize);

                if(readCount == 0)
                {
                    break;
                }

                await targetStream.WriteAsync(bufferByteArray, 0, readCount);
            }

            await targetStream.FlushAsync();
        }

        #endregion
    }
}

using Microsoft.AspNetCore.Mvc;

using Microsoft.Net.Http.Headers;

using System.Collections.Generic;

using System.IO;

using System.Threading.Tasks;

namespace TestProject.Controllers

{

/// <summary>

/// 테스트 컨트롤러

/// </summary>

[ApiController]

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

public class TestController : Controller

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 값 리스트 구하기 - GetValueList() // GET api/test

/// <summary>

/// 값 리스트 구하기

/// </summary>

/// <returns>값 리스트</returns>

[HttpGet]

public List<string> GetValueList()

{

return new List<string> { "value1", "value2" };

}

#endregion

#region 파일 다운로드 하기 - DownloadFile() // GET api/test/download

/// <summary>

/// 파일 다운로드 하기

/// </summary>

/// <returns>태스크</returns>

[HttpGet]

[Route("download")]

public async Task DownloadFile()

{

string filePath = @"d:\The Best of New Age Music Collection.mp4";

Response.Headers.Add(HeaderNames.ContentType , "application/octet-stream");

Response.Headers.Add(HeaderNames.ContentDisposition, $"attachment; filename=\"{Path.GetFileName(filePath)}\"" );

Response.StatusCode = 200;

Stream sourceStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);

Stream targetStream = Response.Body;

int bufferSize = 1024;

byte[] bufferByteArray = new byte[bufferSize];

while(true)

{

int readCount = await sourceStream.ReadAsync(bufferByteArray, 0, bufferSize);

if(readCount == 0)

{

break;

}

await targetStream.WriteAsync(bufferByteArray, 0, readCount);

}

await targetStream.FlushAsync();

}

#endregion

}

TestProject.zip

[C#/WEB API/.NETCORE] ConsumesAttribute/ProducesAttribute 클래스 : 요청/응답 컨텐트 타입 설정하기

■ ConsumesAttribute/ProducesAttribute 클래스를 사용해 요청/응답 컨텐트 타입을 설정하는 방법을 보여준다. ▶ 예제 코드 (C#)


using Microsoft.AspNetCore.Mvc;

namespace TestProject.Controllers
{
    /// <summary>
    /// 테스트 컨트롤러
    /// </summary>
    [ApiController]
    [Route("api/[controller]")]
    [Consumes("application/json")]
    [Produces("application/json")]
    public class TestController : Controller
    {
        ...
    }
}

using Microsoft.AspNetCore.Mvc;

namespace TestProject.Controllers

{

/// <summary>

/// 테스트 컨트롤러

/// </summary>

[ApiController]

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

[Consumes("application/json")]

[Produces("application/json")]

public class TestController : Controller

{

...

}

[C#/WEB API/.NETCORE] Controller 클래스 : Json 메소드를 사용해 JSON 데이터 받기

■ Controller 클래스의 Json 메소드를 사용해 JSON 데이터를 받는 방법을 보여준다. [TestServer 프로젝트] ▶ Models/TestModel.cs


using System.ComponentModel.DataAnnotations;

namespace TestServer.Models
{
    /// <summary>
    /// 테스트 모델
    /// </summary>
    public class TestModel
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region ID - ID

        /// <summary>
        /// ID
        /// </summary>
        public int ID { get; set; }

        #endregion
        #region 성명 - Name

        /// <summary>
        /// 성명
        /// </summary>
        [Required]
        [StringLength(50, MinimumLength = 3, ErrorMessage = "성명은 3자 이상 입력해 주시기 바랍니다.")]
        public string Name { get; set; }

        #endregion
    }
}

using System.ComponentModel.DataAnnotations;

namespace TestServer.Models

{

/// <summary>

/// 테스트 모델

/// </summary>

public class TestModel

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region ID - ID

/// <summary>

/// ID

/// </summary>

public int ID { get; set; }

#endregion

#region 성명 - Name

/// <summary>

/// 성명

/// </summary>

[Required]

[StringLength(50, MinimumLength = 3, ErrorMessage = "성명은 3자 이상 입력해 주시기 바랍니다.")]

public string Name { get; set; }

#endregion

}

▶ Models/TestRepository.cs


using System.Collections.Generic;

namespace TestServer.Models
{
    /// <summary>
    /// 테스트 저장소
    /// </summary>
    public class TestRepository
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 테스트 딕셔너리
        /// </summary>
        public static Dictionary<int, TestModel> TestDictionary;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Static

        #region 생성자 - TestRepository()

        /// <summary>
        /// 생성자
        /// </summary>
        static TestRepository()
        {
            TestDictionary = new Dictionary<int, TestModel>();

            TestDictionary.Add(1, new TestModel { ID = 1, Name = "홍길동" });
            TestDictionary.Add(2, new TestModel { ID = 2, Name = "김철수" });
            TestDictionary.Add(3, new TestModel { ID = 3, Name = "이용희" });
        }

        #endregion
    }
}

using System.Collections.Generic;

namespace TestServer.Models

{

/// <summary>

/// 테스트 저장소

/// </summary>

public class TestRepository

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 테스트 딕셔너리

/// </summary>

public static Dictionary<int, TestModel> TestDictionary;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Static

#region 생성자 - TestRepository()

/// <summary>

/// 생성자

/// </summary>

static TestRepository()

{

TestDictionary = new Dictionary<int, TestModel>();

TestDictionary.Add(1, new TestModel { ID = 1, Name = "홍길동" });

TestDictionary.Add(2, new TestModel { ID = 2, Name = "김철수" });

TestDictionary.Add(3, new TestModel { ID = 3, Name = "이용희" });

}

#endregion

}

▶ Controllers/TestController.cs


using Microsoft.AspNetCore.Mvc;
using System.Linq;
using System.Net;

using TestServer.Models;

namespace TestServer.Controllers
{
    /// <summary>
    /// 테스트 컨트롤러
    /// </summary>
    [ApiController]
    [Route("api/[controller]")]
    public class TestController : Controller
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 리스트 구하기 - GetList()

        /// <summary>
        /// 리스트 구하기
        /// </summary>
        /// <returns>리스트</returns>
        [HttpGet]
        public JsonResult GetList()
        {
            Response.StatusCode = (int)HttpStatusCode.OK;

            return Json(TestRepository.TestDictionary.Values.ToList());
        }

        #endregion
        #region 항목 구하기 - GetItem(id)

        /// <summary>
        /// 항목 구하기
        /// </summary>
        /// <returns>항목</returns>
        [HttpGet("{id:int}")]
        public JsonResult GetItem(int id)
        {
            if(TestRepository.TestDictionary.ContainsKey(id))
            {
                Response.StatusCode = (int)HttpStatusCode.OK;

                return Json(TestRepository.TestDictionary[id]);
            }
            else
            {
                Response.StatusCode = (int)HttpStatusCode.BadRequest;

                return Json(null);
            }
        }

        #endregion
        #region 항목 추가하기 - AddItem(test)

        /// <summary>
        /// 항목 추가하기
        /// </summary>
        /// <param name="test">테스트</param>
        /// <returns>처리 결과</returns>
        [HttpPost]
        public JsonResult Post([FromBody]TestModel test)
        {
            if(ModelState.IsValid)
            {
                if(TestRepository.TestDictionary.ContainsKey(test.ID))
                {
                    Response.StatusCode = (int)HttpStatusCode.BadRequest;

                    return Json("FAILURE");
                }

                TestRepository.TestDictionary.Add(test.ID, test);

                Response.StatusCode = (int)HttpStatusCode.Created;

                return Json("SUCCESS");
            }

            Response.StatusCode = (int)HttpStatusCode.BadRequest;

            return Json("FAILURE");
        }

        #endregion
    }
}

using Microsoft.AspNetCore.Mvc;

using System.Linq;

using System.Net;

using TestServer.Models;

namespace TestServer.Controllers

{

/// <summary>

/// 테스트 컨트롤러

/// </summary>

[ApiController]

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

public class TestController : Controller

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 리스트 구하기 - GetList()

/// <summary>

/// 리스트 구하기

/// </summary>

/// <returns>리스트</returns>

[HttpGet]

public JsonResult GetList()

{

Response.StatusCode = (int)HttpStatusCode.OK;

return Json(TestRepository.TestDictionary.Values.ToList());

}

#endregion

#region 항목 구하기 - GetItem(id)

/// <summary>

/// 항목 구하기

/// </summary>

/// <returns>항목</returns>

[HttpGet("{id:int}")]

public JsonResult GetItem(int id)

{

if(TestRepository.TestDictionary.ContainsKey(id))

{

Response.StatusCode = (int)HttpStatusCode.OK;

return Json(TestRepository.TestDictionary[id]);

}

else

{

Response.StatusCode = (int)HttpStatusCode.BadRequest;

return Json(null);

}

#endregion

#region 항목 추가하기 - AddItem(test)

/// <summary>

/// 항목 추가하기

/// </summary>

/// <param name="test">테스트</param>

/// <returns>처리 결과</returns>

[HttpPost]

public JsonResult Post([FromBody]TestModel test)

{

if(ModelState.IsValid)

{

if(TestRepository.TestDictionary.ContainsKey(test.ID))

{

Response.StatusCode = (int)HttpStatusCode.BadRequest;

return Json("FAILURE");

}

TestRepository.TestDictionary.Add(test.ID, test);

Response.StatusCode = (int)HttpStatusCode.Created;

return Json("SUCCESS");

}

Response.StatusCode = (int)HttpStatusCode.BadRequest;

return Json("FAILURE");

}

#endregion

}

[C#/WEB API/.NETCORE] WEB API 애플리케이션 만들기

■ WEB API 애플리케이션을 만드는 방법을 보여준다. ▶ appsettings.json


{
    "Logging" :
    {
        "LogLevel" :
        {
            "Default"                    : "Information",
            "Microsoft"                  : "Warning",
            "Microsoft.Hosting.Lifetime" : "Information"
        }
    },
    "AllowedHosts" : "*"
}

{

"Logging" :

{

"LogLevel" :

{

"Default" : "Information",

"Microsoft" : "Warning",

"Microsoft.Hosting.Lifetime" : "Information"

}

"AllowedHosts" : "*"

}

▶ launchSettings.json


{
    "$schema"     : "http://json.schemastore.org/launchsettings.json",
    "iisSettings" :
    {
        "windowsAuthentication"   : false,
        "anonymousAuthentication" : true,
        "iisExpress"              :
        {
            "applicationUrl" : "http://localhost:5569",
            "sslPort"        : 44320
        }
    },
    "profiles" :
    {
        "IIS Express" :
        {
            "commandName"          : "IISExpress",
            "launchBrowser"        : true,
            "launchUrl"            : "api/test",
            "environmentVariables" :
            {
                "ASPNETCORE_ENVIRONMENT" : "Development"
            }
        },
        "TestProject" :
        {
            "commandName"          : "Project",
            "launchBrowser"        : true,
            "launchUrl"            : "api/test",
            "applicationUrl"       : "https://localhost:5001;http://localhost:5000",
            "environmentVariables" :
            {
                "ASPNETCORE_ENVIRONMENT" : "Development"
            }
        }
    }
}

{

"$schema" : "http://json.schemastore.org/launchsettings.json",

"iisSettings" :

{

"windowsAuthentication" : false,

"anonymousAuthentication" : true,

"iisExpress" :

{

"applicationUrl" : "http://localhost:5569",

"sslPort" : 44320

}

"profiles" :

{

"IIS Express" :

{

"commandName" : "IISExpress",

"launchBrowser" : true,

"launchUrl" : "api/test",

"environmentVariables" :

{

"ASPNETCORE_ENVIRONMENT" : "Development"

}

"TestProject" :

{

"commandName" : "Project",

"launchBrowser" : true,

"launchUrl" : "api/test",

"applicationUrl" : "https://localhost:5001;http://localhost:5000",

"environmentVariables" :

{

"ASPNETCORE_ENVIRONMENT" : "Development"

}

▶ TestController.cs


using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;

namespace TestProject.Controllers
{
    /// <summary>
    /// 테스트 컨트롤러
    /// </summary>
    [ApiController]
    [Route("api/[controller]")]
    public class TestController : Controller
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 구하기 - Get() // GET api/test

        /// <summary>
        /// 구하기
        /// </summary>
        /// <returns>문자열 리스트</returns>
        [HttpGet]
        public List<string> Get()
        {
            return new List<string> { "value1", "value2" };
        }

        #endregion
        #region 구하기 - Get(id) // GET api/test/10

        /// <summary>
        /// 구하기
        /// </summary>
        /// <param name="id">ID</param>
        /// <returns>값</returns>
        [HttpGet("{id}")]
        public string Get(int id)
        {
            return "value";
        }

        #endregion
        #region 추가하기 - Post(value) // POST api/test

        /// <summary>
        /// 추가하기
        /// </summary>
        /// <param name="value">값</param>
        [HttpPost]
        public void Post([FromBody]string value)
        {
        }

        #endregion
        #region 수정하기 - Put(id, value) // PUT api/test/5

        /// <summary>
        /// 수정하기
        /// </summary>
        /// <param name="id"></param>
        /// <param name="value"></param>
        [HttpPut("{id}")]
        public void Put(int id, [FromBody]string value)
        {
        }

        #endregion
        #region 삭제하기 - Delete(id) // DELETE api/test/5

        /// <summary>
        /// 삭제하기
        /// </summary>
        /// <param name="id">ID</param>
        [HttpDelete("{id}")]
        public void Delete(int id)
        {
        }

        #endregion
    }
}

using Microsoft.AspNetCore.Mvc;

using System.Collections.Generic;

namespace TestProject.Controllers

{

/// <summary>

/// 테스트 컨트롤러

/// </summary>

[ApiController]

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

public class TestController : Controller

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 구하기 - Get() // GET api/test

/// <summary>

/// 구하기

/// </summary>

/// <returns>문자열 리스트</returns>

[HttpGet]

public List<string> Get()

{

return new List<string> { "value1", "value2" };

}

#endregion

#region 구하기 - Get(id) // GET api/test/10

/// <summary>

/// 구하기

/// </summary>

/// <param name="id">ID</param>

/// <returns>값</returns>

[HttpGet("{id}")]

public string Get(int id)

{

return "value";

}

#endregion

#region 추가하기 - Post(value) // POST api/test

/// <summary>

/// 추가하기

/// </summary>

/// <param name="value">값</param>

[HttpPost]

public void Post([FromBody]string value)

{

}

#endregion

#region 수정하기 - Put(id, value) // PUT api/test/5

/// <summary>

/// 수정하기

/// </summary>

/// <param name="id"></param>

/// <param name="value"></param>

[HttpPut("{id}")]

public void Put(int id, [FromBody]string value)

{

}

#endregion

#region 삭제하기 - Delete(id) // DELETE api/test/5

/// <summary>

/// 삭제하기

/// </summary>

/// <param name="id">ID</param>

[HttpDelete("{id}")]

public void Delete(int id)

{

}

#endregion

}

▶ 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.AddControllers();
        }

        #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();
            }

            app.UseHttpsRedirection();

            app.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints
            (
                endpoints =>
                {
                    endpoints.MapControllers();
                }
            );
        }

        #endregion
    }
}

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.AddControllers();

}

#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();

}

app.UseHttpsRedirection();

app.UseRouting();

app.UseAuthorization();

app.UseEndpoints

(

endpoints =>

{

endpoints.MapControllers();

}

);

}

#endregion

}

▶ Program.cs


using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    public class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main(argumentArray)

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        /// <param name="argumentArray">배열 인자</param>
        public static void Main(string[] argumentArray)
        {
            CreateHostBuilder(argumentArray).Build().Run();
        }

        #endregion
        #region 호스트 빌더 생성하기 - CreateHostBuilder(argumentArray)

        /// <summary>
        /// 호스트 빌더 생성하기
        /// </summary>
        /// <param name="argumentArray">인자 배열</param>
        /// <returns>호스트 빌더</returns>
        public static IHostBuilder CreateHostBuilder(string[] argumentArray) =>
            Host.CreateDefaultBuilder(argumentArray)
                .ConfigureWebHostDefaults
                (
                    builder =>
                    {
                        builder.UseStartup<Startup>();
                    }
                );

        #endregion
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.Extensions.Hosting;

namespace TestProject

{

/// <summary>

/// 프로그램

/// </summary>

public class Program

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 프로그램 시작하기 - Main(argumentArray)

/// <summary>

/// 프로그램 시작하기

/// </summary>

/// <param name="argumentArray">배열 인자</param>

public static void Main(string[] argumentArray)

{

CreateHostBuilder(argumentArray).Build().Run();

}

#endregion

#region 호스트 빌더 생성하기 - CreateHostBuilder(argumentArray)

/// <summary>

/// 호스트 빌더 생성하기

/// </summary>

/// <param name="argumentArray">인자 배열</param>

/// <returns>호스트 빌더</returns>

public static IHostBuilder CreateHostBuilder(string[] argumentArray) =>

Host.CreateDefaultBuilder(argumentArray)

.ConfigureWebHostDefaults

(

builder =>

{

builder.UseStartup<Startup>();

}

);

#endregion

}

[C#/WEB API/.NETCORE] Microsoft.AspNet.WebApi.Client 누겟 설치하기

■ Microsoft.AspNet.WebApi.Client 누겟을 설치하는 방법을 보여준다. 1. Visual Studio를 실행한다. 2. [도구] / [NuGet 패키지 관리자] / [패키지 관리자 콘솔] 메뉴를 실행한다.

[C#/WEB API/.NETCORE] CRUD 구현 WEB API 애플리케이션 만들기

■ CRUD 구현 WEB API 애플리케이션을 만드는 방법을 보여준다. [TestServer 프로젝트] ▶ Models/ValueRepository.cs


using System.Collections.Generic;

namespace TestServer
{
    /// <summary>
    /// 값 저장소
    /// </summary>
    public static class ValueRepository
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// 값 리스트
        /// </summary>
        public static List<string> ValueList = new List<string>()
        {
            "Console",
            "WinForm",
            "WPF"
        };

        #endregion
    }
}

using System.Collections.Generic;

namespace TestServer

{

/// <summary>

/// 값 저장소

/// </summary>

public static class ValueRepository

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 값 리스트

/// </summary>

public static List<string> ValueList = new List<string>()

{

"Console",

"WinForm",

"WPF"

};

#endregion

}

▶ Models/TransferItem.cs


namespace TestServer.Models
{
    /// <summary>
    /// 전송 항목
    /// </summary>
    public class TransferItem
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 상태 - Status

        /// <summary>
        /// 상태
        /// </summary>
        public string Status { get; set; }

        #endregion
        #region 컨텐트 - Content

        /// <summary>
        /// 컨텐트
        /// </summary>
        public string Content { get; set; }

        #endregion
    }
}

namespace TestServer.Models

{

/// <summary>

/// 전송 항목

/// </summary>

public class TransferItem

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 상태 - Status

/// <summary>

/// 상태

/// </summary>

public string Status { get; set; }

#endregion

#region 컨텐트 - Content

/// <summary>

/// 컨텐트

/// </summary>

public string Content { get; set; }

#endregion

}

▶ Controllers/ValueController.cs


using Microsoft.AspNetCore.Mvc;

using Newtonsoft.Json;

using TestServer.Models;

namespace TestServer.Controllers
{
    /// <summary>
    /// 값 컨트롤러
    /// </summary>
    [ApiController]
    [Route("api/[controller]")]
    public class ValueController : ControllerBase
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 값 추가하기 - AddValue(value)

        /// <summary>
        /// 값 추가하기
        /// </summary>
        /// <param name="value">값</param>
        /// <returns>전송 항목</returns>
        [HttpPost]
        public TransferItem AddValue([FromBody]string value)
        {
            TransferItem item = new TransferItem();

            if(ValueRepository.ValueList.Contains(value))
            {
                item.Status  = "FAILURE";
                item.Content = null;

                return item;
            }
            else
            {
                ValueRepository.ValueList.Add(value);

                item.Status  = "OK";
                item.Content = null;

                return item;
            }
        }

        #endregion
        #region 값 수정하기 - UpdateValue(index, value)

        /// <summary>
        /// 값 수정하기
        /// </summary>
        /// <param name="index">인덱스</param>
        /// <param name="value">값</param>
        /// <returns>전송 항목</returns>
        [HttpPut("{index:int}")]
        public TransferItem UpdateValue(int index, [FromBody]string value)
        {
            TransferItem item = new TransferItem();

            if(index < 0 || index >= ValueRepository.ValueList.Count)
            {
                item.Status  = "FAILURE";
                item.Content = null;

                return item;
            }

            ValueRepository.ValueList[index] = value;

            item.Status  = "OK";
            item.Content = null;

            return item;
        }

        #endregion
        #region 값 삭제하기 - DeleteValue(index)

        /// <summary>
        /// 값 삭제하기
        /// </summary>
        /// <param name="index">인덱스</param>
        /// <returns>전송 항목</returns>
        [HttpDelete("{index:int}")]
        public TransferItem DeleteValue(int index)
        {
            TransferItem item = new TransferItem();

            if(index < 0 || index >= ValueRepository.ValueList.Count)
            {
                item.Status  = "FAILURE";
                item.Content = null;

                return item;
            }

            ValueRepository.ValueList.RemoveAt(index);

            item.Status  = "OK";
            item.Content = null;

            return item;
        }

        #endregion

        #region 값 리스트 구하기 - GetValueList()

        /// <summary>
        /// 값 리스트 구하기
        /// </summary>
        /// <returns>전송 항목</returns>
        [HttpGet]
        public TransferItem GetValueList()
        {
            TransferItem item = new TransferItem();

            item.Status  = "OK";
            item.Content = JsonConvert.SerializeObject(ValueRepository.ValueList);

            return item;
        }

        #endregion
        #region 값 구하기 - GetValue(index)

        /// <summary>
        /// 값 구하기
        /// </summary>
        /// <param name="index">인덱스</param>
        /// <returns>전송 항목</returns>
        [HttpGet("{index:int}")]
        public TransferItem GetValue(int index)
        {
            TransferItem item = new TransferItem();

            if(index < 0 || index >= ValueRepository.ValueList.Count)
            {
                item.Status = "FAILURE";
                item.Content   = null;

                return item;
            }

            item.Status  = "OK";
            item.Content = JsonConvert.SerializeObject(ValueRepository.ValueList[index]);

            return item;
        }

        #endregion
    }
}

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using Microsoft.AspNetCore.Mvc;

using Newtonsoft.Json;

using TestServer.Models;

namespace TestServer.Controllers

{

/// <summary>

/// 값 컨트롤러

/// </summary>

[ApiController]

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

public class ValueController : ControllerBase

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 값 추가하기 - AddValue(value)

/// <summary>

/// 값 추가하기

/// </summary>

/// <param name="value">값</param>

/// <returns>전송 항목</returns>

[HttpPost]

public TransferItem AddValue([FromBody]string value)

{

TransferItem item = new TransferItem();

if(ValueRepository.ValueList.Contains(value))

{

item.Status = "FAILURE";

item.Content = null;

return item;

}

else

{

ValueRepository.ValueList.Add(value);

item.Status = "OK";

item.Content = null;

return item;

}

#endregion

#region 값 수정하기 - UpdateValue(index, value)

/// <summary>

/// 값 수정하기

/// </summary>

/// <param name="index">인덱스</param>

/// <param name="value">값</param>

/// <returns>전송 항목</returns>

[HttpPut("{index:int}")]

public TransferItem UpdateValue(int index, [FromBody]string value)

{

TransferItem item = new TransferItem();

if(index < 0 || index >= ValueRepository.ValueList.Count)

{

item.Status = "FAILURE";

item.Content = null;

return item;

}

ValueRepository.ValueList[index] = value;

item.Status = "OK";

item.Content = null;

return item;

}

#endregion

#region 값 삭제하기 - DeleteValue(index)

/// <summary>

/// 값 삭제하기

/// </summary>

/// <param name="index">인덱스</param>

/// <returns>전송 항목</returns>

[HttpDelete("{index:int}")]

public TransferItem DeleteValue(int index)

{

TransferItem item = new TransferItem();

if(index < 0 || index >= ValueRepository.ValueList.Count)

{

item.Status = "FAILURE";

item.Content = null;

return item;

}

ValueRepository.ValueList.RemoveAt(index);

item.Status = "OK";

item.Content = null;

return item;

}

#endregion

#region 값 리스트 구하기 - GetValueList()

/// <summary>

/// 값 리스트 구하기

/// </summary>

/// <returns>전송 항목</returns>

[HttpGet]

public TransferItem GetValueList()

{

TransferItem item = new TransferItem();

item.Status = "OK";

item.Content = JsonConvert.SerializeObject(ValueRepository.ValueList);

return item;

}

#endregion

#region 값 구하기 - GetValue(index)

/// <summary>

/// 값 구하기

/// </summary>

/// <param name="index">인덱스</param>

/// <returns>전송 항목</returns>

[HttpGet("{index:int}")]

public TransferItem GetValue(int index)

{

TransferItem item = new TransferItem();

if(index < 0 || index >= ValueRepository.ValueList.Count)

{

item.Status = "FAILURE";

item.Content = null;

return item;

}

item.Status = "OK";

item.Content = JsonConvert.SerializeObject(ValueRepository.ValueList[index]);

return item;

}

#endregion

}

[TestClient 프로젝트]

[C#/WEB API/.NETCORE] 템플리트 프로젝트를 사용해 WEB API 애플리케이션 만들기

■ 템플리트 프로젝트를 사용해 WEB API 애플리케이션을 만드는 방법을 보여준다. ▶ appsettings.json


{
    "Logging" :
    {
        "LogLevel" :
        {
            "Default"                    : "Information",
            "Microsoft"                  : "Warning",
            "Microsoft.Hosting.Lifetime" : "Information"
        }
    },
    "AllowedHosts" : "*"
}

{

"Logging" :

{

"LogLevel" :

{

"Default" : "Information",

"Microsoft" : "Warning",

"Microsoft.Hosting.Lifetime" : "Information"

}

"AllowedHosts" : "*"

}

▶ Properties/launchSettings.json


{
    "$schema"     : "http://json.schemastore.org/launchsettings.json",
    "iisSettings" :
    {
        "windowsAuthentication"   : false,
        "anonymousAuthentication" : true,
        "iisExpress"              :
        {
            "applicationUrl" : "http://localhost:5569",
            "sslPort"        : 44320
        }
    },
    "profiles" :
    {
        "IIS Express" :
        {
            "commandName"          : "IISExpress",
            "launchBrowser"        : true,
            "launchUrl"            : "weatherforecast",
            "environmentVariables" :
            {
                "ASPNETCORE_ENVIRONMENT" : "Development"
            }
        },
        "TestProject" :
        {
            "commandName"          : "Project",
            "launchBrowser"        : true,
            "launchUrl"            : "weatherforecast",
            "applicationUrl"       : "https://localhost:5001;http://localhost:5000",
            "environmentVariables" :
            {
                "ASPNETCORE_ENVIRONMENT" : "Development"
            }
        }
    }
}

{

"$schema" : "http://json.schemastore.org/launchsettings.json",

"iisSettings" :

{

"windowsAuthentication" : false,

"anonymousAuthentication" : true,

"iisExpress" :

{

"applicationUrl" : "http://localhost:5569",

"sslPort" : 44320

}

"profiles" :

{

"IIS Express" :

{

"commandName" : "IISExpress",

"launchBrowser" : true,

"launchUrl" : "weatherforecast",

"environmentVariables" :

{

"ASPNETCORE_ENVIRONMENT" : "Development"

}

"TestProject" :

{

"commandName" : "Project",

"launchBrowser" : true,

"launchUrl" : "weatherforecast",

"applicationUrl" : "https://localhost:5001;http://localhost:5000",

"environmentVariables" :

{

"ASPNETCORE_ENVIRONMENT" : "Development"

}

▶ Models/WeatherForecastModel.cs


using System;

namespace TestProject.Models
{
    /// <summary>
    /// 기상 예보 모델
    /// </summary>
    public class WeatherForecastModel
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 일자 - Date

        /// <summary>
        /// 일자
        /// </summary>
        public DateTime Date { get; set; }

        #endregion
        #region 온도 (섭씨) - TemperatureC

        /// <summary>
        /// 온도 (섭씨)
        /// </summary>
        public int TemperatureC { get; set; }

        #endregion
        #region 온도 (화씨) - TemperatureF

        /// <summary>
        /// 온도 (화씨)
        /// </summary>
        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);

        #endregion
        #region 요약 - Summary

        /// <summary>
        /// 요약
        /// </summary>
        public string Summary { get; set; }

        #endregion
    }
}

using System;

namespace TestProject.Models

{

/// <summary>

/// 기상 예보 모델

/// </summary>

public class WeatherForecastModel

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 일자 - Date

/// <summary>

/// 일자

/// </summary>

public DateTime Date { get; set; }

#endregion

#region 온도 (섭씨) - TemperatureC

/// <summary>

/// 온도 (섭씨)

/// </summary>

public int TemperatureC { get; set; }

#endregion

#region 온도 (화씨) - TemperatureF

/// <summary>

/// 온도 (화씨)

/// </summary>

public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);

#endregion

#region 요약 - Summary

/// <summary>

/// 요약

/// </summary>

public string Summary { get; set; }

#endregion

}

▶ Controllers/WeatherForecastController.cs


using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;

using TestProject.Models;

namespace TestProject.Controllers
{
    /// <summary>
    /// 기상 예보 컨트롤러
    /// </summary>
    [ApiController]
    [Route("[controller]")]
    public class WeatherForecastController : ControllerBase
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 요약 배열
        /// </summary>
        private static readonly string[] _symmaryArray = new[]
        {
            "Freezing",
            "Bracing",
            "Chilly",
            "Cool",
            "Mild",
            "Warm",
            "Balmy",
            "Hot",
            "Sweltering",
            "Scorching"
        };

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 로그 기록기
        /// </summary>
        private readonly ILogger<WeatherForecastController> logger;

        #endregion

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

        #region 생성자 - WeatherForecastController(logger)

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

        #endregion

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

        #region 열거 가능형 목록 구하기 - Get()

        /// <summary>
        /// 열거 가능형 목록 구하기
        /// </summary>
        /// <returns>열거 가능형 목록</returns>
        [HttpGet]
        public IEnumerable<WeatherForecastModel> Get()
        {
            Random random = new Random();

            return Enumerable.Range(1, 5).Select
            (
                index => new WeatherForecastModel
                {
                    Date         = DateTime.Now.AddDays(index),
                    TemperatureC = random.Next(-20, 55),
                    Summary      = _symmaryArray[random.Next(_symmaryArray.Length)]
                }
            )
            .ToArray();
        }

        #endregion
    }
}

100

101

using Microsoft.AspNetCore.Mvc;

using Microsoft.Extensions.Logging;

using System;

using System.Collections.Generic;

using System.Linq;

using TestProject.Models;

namespace TestProject.Controllers

{

/// <summary>

/// 기상 예보 컨트롤러

/// </summary>

[ApiController]

[Route("[controller]")]

public class WeatherForecastController : ControllerBase

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 요약 배열

/// </summary>

private static readonly string[] _symmaryArray = new[]

{

"Freezing",

"Bracing",

"Chilly",

"Cool",

"Mild",

"Warm",

"Balmy",

"Hot",

"Sweltering",

"Scorching"

};

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 로그 기록기

/// </summary>

private readonly ILogger<WeatherForecastController> logger;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - WeatherForecastController(logger)

/// <summary>

/// 생성자

/// </summary>

/// <param name="logger">로그 기록기</param>

public WeatherForecastController(ILogger<WeatherForecastController> logger)

{

this.logger = logger;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 열거 가능형 목록 구하기 - Get()

/// <summary>

/// 열거 가능형 목록 구하기

/// </summary>

/// <returns>열거 가능형 목록</returns>

[HttpGet]

public IEnumerable<WeatherForecastModel> Get()

{

Random random = new Random();

return Enumerable.Range(1, 5).Select

(

index => new WeatherForecastModel

{

Date = DateTime.Now.AddDays(index),

TemperatureC = random.Next(-20, 55),

Summary = _symmaryArray[random.Next(_symmaryArray.Length)]

}

)

.ToArray();

}

#endregion

}

[C#/WEB API] WEB API 애플리케이션 만들기

■ WEB API 애플리케이션을 만드는 방법을 보여준다. ▶ HelloController.cs


using System.Collections.Generic;
using System.Web.Http;

namespace TestProject.Controllers
{
    /// <summary>
    /// 헬로우 컨트롤러
    /// </summary>
    public class HelloController : ApiController
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 리스트 구하기 - GetList()

        /// <summary>
        /// 리스트 구하기
        /// </summary>
        /// <returns>리스트</returns>
        [HttpGet]
        public List<string> GetList()
        {
            List<string> list = new List<string>();

            list.Add("테스트 문자열 1");
            list.Add("테스트 문자열 2");

            return list;
        }

        #endregion
    }
}

using System.Collections.Generic;

using System.Web.Http;

namespace TestProject.Controllers

{

/// <summary>

/// 헬로우 컨트롤러

/// </summary>

public class HelloController : ApiController

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 리스트 구하기 - GetList()

/// <summary>

/// 리스트 구하기

/// </summary>

/// <returns>리스트</returns>

[HttpGet]

public List<string> GetList()

{

List<string> list = new List<string>();

list.Add("테스트 문자열 1");

list.Add("테스트 문자열 2");

return list;

}

#endregion

}

▶ DefaultController.cs


using System.Collections.Generic;
using System.Web.Http;

namespace TestProject.Controllers
{
    /// <summary>
    /// 디폴트 컨트롤러
    /// </summary>
    public class DefaultController : ApiController
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 조회하기 - Get() [GET : api/Default]

        /// <summary>
        /// 조회하기
        /// </summary>
        /// <returns>문자열 열거 가능형 목록</returns>
        public IEnumerable<string> Get()
        {
            return new string[] { "테스트 문자열 3", "테스트 문자열 4" };
        }

        #endregion
        #region 조회하기 - Get(id) [GET : api/Default/5]

        /// <summary>
        /// 조회하기
        /// </summary>
        /// <param name="id">ID</param>
        /// <returns>문자열</returns>
        public string Get(int id)
        {
            return "입력값 : " + id.ToString();
        }

        #endregion
        #region 추가하기 - Post(value) [POST : api/Default]

        /// <summary>
        /// 추가하기
        /// </summary>
        /// <param name="value">값</param>
        public void Post([FromBody]string value)
        {
        }

        #endregion
        #region 수정하기 - Put(id, value) [PUT : api/Default/5]

        /// <summary>
        /// 수정하기
        /// </summary>
        /// <param name="id">ID</param>
        /// <param name="value">값</param>
        public void Put(int id, [FromBody]string value)
        {
        }

        #endregion
        #region 삭제하기 - Delete(id) [DELETE : api/Default/5]

        /// <summary>
        /// 삭제하기
        /// </summary>
        /// <param name="id">ID</param>
        public void Delete(int id)
        {
        }

        #endregion
    }
}

using System.Collections.Generic;

using System.Web.Http;

namespace TestProject.Controllers

{

/// <summary>

/// 디폴트 컨트롤러

/// </summary>

public class DefaultController : ApiController

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 조회하기 - Get() [GET : api/Default]

/// <summary>

/// 조회하기

/// </summary>

/// <returns>문자열 열거 가능형 목록</returns>

public IEnumerable<string> Get()

{

return new string[] { "테스트 문자열 3", "테스트 문자열 4" };

}

#endregion

#region 조회하기 - Get(id) [GET : api/Default/5]

/// <summary>

/// 조회하기

/// </summary>

/// <param name="id">ID</param>

/// <returns>문자열</returns>

public string Get(int id)

{

return "입력값 : " + id.ToString();

}

#endregion

#region 추가하기 - Post(value) [POST : api/Default]

/// <summary>

/// 추가하기

/// </summary>

/// <param name="value">값</param>

public void Post([FromBody]string value)

{

}

#endregion

#region 수정하기 - Put(id, value) [PUT : api/Default/5]

/// <summary>

/// 수정하기

/// </summary>

/// <param name="id">ID</param>

/// <param name="value">값</param>

public void Put(int id, [FromBody]string value)

{

}

#endregion

#region 삭제하기 - Delete(id) [DELETE : api/Default/5]

/// <summary>

/// 삭제하기

/// </summary>

/// <param name="id">ID</param>

public void Delete(int id)

{

}

#endregion

}

TestProject.zip

[C#/WEB API] WEB API 2 셀프 호스팅 사용하기

■ WEB API 2 셀프 호스팅을 사용하는 방법을 보여준다. [TestServer 프로젝트 실행 결과] [TestClient 프로젝트 실행 결과] [TestCommon 프로젝트] ▶ Product.cs


namespace TestCommon
{
    /// <summary>
    /// 제품
    /// </summary>
    public class Product
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region ID - ID

        /// <summary>
        /// ID
        /// </summary>
        public int ID { get; set; }

        #endregion
        #region 제품명 - Name

        /// <summary>
        /// 제품명
        /// </summary>
        public string Name { get; set; }

        #endregion
        #region 카테고리 - Category

        /// <summary>
        /// 카테고리
        /// </summary>
        public string Category { get; set; }

        #endregion
        #region 가격 - Price

        /// <summary>
        /// 가격
        /// </summary>
        public decimal Price { get; set; }

        #endregion
    }
}

namespace TestCommon

{

/// <summary>

/// 제품

/// </summary>

public class Product

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region ID - ID

/// <summary>

/// ID

/// </summary>

public int ID { get; set; }

#endregion

#region 제품명 - Name

/// <summary>

/// 제품명

/// </summary>

public string Name { get; set; }

#endregion

#region 카테고리 - Category

/// <summary>

/// 카테고리

/// </summary>

public string Category { get; set; }

#endregion

#region 가격 - Price

/// <summary>

/// 가격

/// </summary>

public decimal Price { get; set; }

#endregion

}