■ 스캐폴딩 기능을 사용해 MVC 웹앱을 만드는 방법을 보여준다.
▶ Models/Movie.cs
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using System; using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; namespace TestProject.Models { /// <summary> /// 영화 /// </summary> public class Movie { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region ID - ID /// <summary> /// ID /// </summary> public int ID { get; set; } #endregion #region 제목 - Title /// <summary> /// 제목 /// </summary> [Required] [StringLength(60, MinimumLength = 3)] public string Title { get; set; } #endregion #region 릴리즈 일자 - ReleaseDate /// <summary> /// 릴리즈 일자 /// </summary> [DataType(DataType.Date)] [Display(Name = "Release Date")] public DateTime ReleaseDate { get; set; } #endregion #region 장르 - Genre /// <summary> /// 장르 /// </summary> [Required] [StringLength(30)] public string Genre { get; set; } #endregion #region 가격 - Price /// <summary> /// 가격 /// </summary> [DataType(DataType.Currency)] [Column(TypeName = "decimal(18, 2)")] [Range(1, 100)] public decimal Price { get; set; } #endregion #region 등급 - Rating /// <summary> /// 등급 /// </summary> [Required] [StringLength(5)] [RegularExpression(@"^[A-Z]+[a-zA-Z0-9""'\s-]*$")] public string Rating { get; set; } #endregion } } |
▶ Models/MovieData.cs
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using Microsoft.EntityFrameworkCore; using Microsoft.Extensions.DependencyInjection; using System; using System.Linq; using TestProject.Data; namespace TestProject.Models { /// <summary> /// 영화 데이터 /// </summary> public static class MovieData { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 초기화하기 - Initialize(serviceProvider) /// <summary> /// 초기화하기 /// </summary> /// <param name="serviceProvider">서비스 제공자</param> public static void Initialize(IServiceProvider serviceProvider) { DbContextOptions<DatabaseContext> options = serviceProvider.GetRequiredService<DbContextOptions<DatabaseContext>>(); using(DatabaseContext context = new DatabaseContext(options)) { if(context.Movie.Any()) { return; } context.Movie.AddRange ( new Movie { Title = "When Harry Met Sally", ReleaseDate = DateTime.Parse("1989-2-12"), Genre = "Romantic Comedy", Price = 7.99M, Rating = "A" }, new Movie { Title = "Ghostbusters ", ReleaseDate = DateTime.Parse("1984-3-13"), Genre = "Comedy", Price = 8.99M, Rating = "A" }, new Movie { Title = "Ghostbusters 2", ReleaseDate = DateTime.Parse("1986-2-23"), Genre = "Comedy", Price = 9.99M, Rating = "A" }, new Movie { Title = "Rio Bravo", ReleaseDate = DateTime.Parse("1959-4-15"), Genre = "Western", Price = 3.99M, Rating = "A" } ); context.SaveChanges(); } } #endregion } } |
▶ Models/MovieGenre.cs
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using Microsoft.AspNetCore.Mvc.Rendering; using System.Collections.Generic; namespace TestProject.Models { /// <summary> /// 영화 장르 /// </summary> public class MovieGenre { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 영화 리스트 - MovieList /// <summary> /// 영화 리스트 /// </summary> public List<Movie> MovieList { get; set; } #endregion #region 장르 선택 리스트 - GenreSelectList /// <summary> /// 장르 선택 리스트 /// </summary> public SelectList GenreSelectList { get; set; } #endregion #region 검색 장르 - SearchGenre /// <summary> /// 검색 장르 /// </summary> public string SearchGenre { get; set; } #endregion #region 검색 문자열 - SearchString /// <summary> /// 검색 문자열 /// </summary> public string SearchString { get; set; } #endregion } } |
▶ Data/DatabaseContext.cs
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using Microsoft.EntityFrameworkCore; using TestProject.Models; namespace TestProject.Data { /// <summary> /// 데이터베이스 컨텍스트 /// </summary> public class DatabaseContext : DbContext { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 영화 - Movie /// <summary> /// 영화 /// </summary> public DbSet<Movie> Movie { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DatabaseContext(options) /// <summary> /// 생성자 /// </summary> /// <param name="options">옵션</param> public DatabaseContext(DbContextOptions<DatabaseContext> options) : base(options) { } #endregion } } |
▶ appsettings.json
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{ "Logging" : { "LogLevel" : { "Default" : "Information", "Microsoft" : "Warning", "Microsoft.Hosting.Lifetime" : "Information" } }, "AllowedHosts" : "*", "ConnectionStrings" : { "DefaultConnection" : "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=TestDB;Integrated Security=True;" } } |
▶ Startup.cs
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using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.EntityFrameworkCore; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Hosting; using TestProject.Data; 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.AddDbContext<DatabaseContext> ( options => options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")) ); services.AddControllersWithViews(); } #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(); } else { app.UseExceptionHandler("/Home/Error"); app.UseHsts(); } app.UseHttpsRedirection(); app.UseStaticFiles(); app.UseRouting(); app.UseAuthorization(); app.UseEndpoints ( endpoints => { endpoints.MapControllerRoute ( name : "default", pattern : "{controller=Home}/{action=Index}/{id?}" ); } ); } #endregion } } |
▶ Program.cs
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using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Hosting; using Microsoft.Extensions.Logging; using System; using TestProject.Models; namespace TestProject { /// <summary> /// 프로그램 /// </summary> public class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 프로그램 시작하기 - Main(argumentArray) /// <summary> /// 프로그램 시작하기 /// </summary> /// <param name="argumentArray">인자 배열</param> public static void Main(string[] argumentArray) { IHost host = CreateHostBuilder(argumentArray).Build(); using(IServiceScope scope = host.Services.CreateScope()) { IServiceProvider serviceProvider = scope.ServiceProvider; try { MovieData.Initialize(serviceProvider); } catch(Exception exception) { ILogger<Program> logger = serviceProvider.GetRequiredService<ILogger<Program>>(); logger.LogError(exception, "데이터베이스에 데이터 추가시 에러가 발생했습니다."); } } host.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 } } |
▶ Controllers/MovieController.cs
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using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.Rendering; using Microsoft.EntityFrameworkCore; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using TestProject.Data; using TestProject.Models; namespace TestProject.Controllers { /// <summary> /// 영화 컨트롤러 /// </summary> public class MovieController : Controller { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 컨텍스트 /// </summary> private readonly DatabaseContext context; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MovieController(context) /// <summary> /// 생성자 /// </summary> /// <param name="context">컨텍스트</param> public MovieController(DatabaseContext context) { this.context = context; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 인덱스 페이지 처리하기 - Index(searchGenre, searchString) /// <summary> /// 인덱스 페이지 처리하기 /// </summary> /// <param name="searchGenre">검색 장르</param> /// <param name="searchString">검색 문자열</param> /// <returns>액션 결과 태스크</returns> public async Task<IActionResult> Index(string searchGenre, string searchString) { var genreQueryable = from movie in this.context.Movie orderby movie.Genre select movie.Genre; var movieQueryable = from movie in this.context.Movie select movie; if(!string.IsNullOrEmpty(searchString)) { movieQueryable = movieQueryable.Where(s => s.Title.Contains(searchString)); } if(!string.IsNullOrEmpty(searchGenre)) { movieQueryable = movieQueryable.Where(x => x.Genre == searchGenre); } MovieGenre movieGenre = new MovieGenre { GenreSelectList = new SelectList(await genreQueryable.Distinct().ToListAsync()), MovieList = await movieQueryable.ToListAsync() }; return View(movieGenre); } #endregion #region 상세 페이지 처리하기 - Details(id) /// <summary> /// 상세 페이지 처리하기 /// </summary> /// <param name="id">ID</param> /// <returns>액션 결과 태스크</returns> public async Task<IActionResult> Details(int? id) { if(id == null) { return NotFound(); } Movie movie = await this.context.Movie.FirstOrDefaultAsync(m => m.ID == id); if(movie == null) { return NotFound(); } return View(movie); } #endregion #region 생성 페이지 처리하기 - Create() /// <summary> /// 생성 페이지 처리하기 /// </summary> /// <returns>액션 결과</returns> public IActionResult Create() { return View(); } #endregion #region 생성하기 - Create(movie) /// <summary> /// 생성하기 /// </summary> /// <param name="movie">영화</param> /// <returns>액션 결과 태스크</returns> [HttpPost] [ValidateAntiForgeryToken] public async Task<IActionResult> Create([Bind("ID,Title,ReleaseDate,Genre,Price,Rating")] Movie movie) { if(ModelState.IsValid) { this.context.Add(movie); await this.context.SaveChangesAsync(); return RedirectToAction(nameof(Index)); } return View(movie); } #endregion #region 편집 페이지 처리하기 - Edit(id) /// <summary> /// 편집 페이지 처리하기 /// </summary> /// <param name="id">ID</param> /// <returns>액션 결과 태스크</returns> public async Task<IActionResult> Edit(int? id) { if(id == null) { return NotFound(); } Movie movie = await this.context.Movie.FindAsync(id); if(movie == null) { return NotFound(); } return View(movie); } #endregion #region 편집 페이지 처리하기 - Edit(int id, movie) /// <summary> /// 편집 페이지 처리하기 /// </summary> /// <param name="id">ID</param> /// <param name="movie">영화</param> /// <returns>액션 결과 태스크</returns> [HttpPost] [ValidateAntiForgeryToken] public async Task<IActionResult> Edit(int id, [Bind("ID,Title,ReleaseDate,Genre,Price,Rating")] Movie movie) { if(id != movie.ID) { return NotFound(); } if(ModelState.IsValid) { try { this.context.Update(movie); await this.context.SaveChangesAsync(); } catch(DbUpdateConcurrencyException) { if(!MovieExists(movie.ID)) { return NotFound(); } else { throw; } } return RedirectToAction(nameof(Index)); } return View(movie); } #endregion #region 삭제 페이지 처리하기 - Delete(id) /// <summary> /// 삭제 페이지 처리하기 /// </summary> /// <param name="id">ID</param> /// <returns>액션 결과 페이지</returns> public async Task<IActionResult> Delete(int? id) { if(id == null) { return NotFound(); } Movie movie = await this.context.Movie.FirstOrDefaultAsync(m => m.ID == id); if(movie == null) { return NotFound(); } return View(movie); } #endregion #region 삭제 완료시 페이지 처리하기 - DeleteConfirmed(id) /// <summary> /// 삭제 완료시 페이지 처리하기 /// </summary> /// <param name="id">ID</param> /// <returns>액션 결과 태스크</returns> [HttpPost, ActionName("Delete")] [ValidateAntiForgeryToken] public async Task<IActionResult> DeleteConfirmed(int id) { Movie movie = await this.context.Movie.FindAsync(id); this.context.Movie.Remove(movie); await this.context.SaveChangesAsync(); return RedirectToAction(nameof(Index)); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 영화 존재 여부 구하기 - MovieExists(id) /// <summary> /// 영화 존재 여부 구하기 /// </summary> /// <param name="id">ID</param> /// <returns>영화 존재 여부</returns> private bool MovieExists(int id) { return this.context.Movie.Any(e => e.ID == id); } #endregion } } |
▶ Views/Movie/Index.cshtml
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@model TestProject.Models.MovieGenre @{ ViewData["Title"] = "Index"; } <h1>Index</h1> <p> <a asp-action="Create">Create New</a> </p> <form asp-controller="Movie" asp-action="Index" method="get"> <p> <select asp-for="SearchGenre" asp-items="Model.GenreSelectList"> <option value="">All</option> </select> Title : <input type="text" asp-for="SearchString" /> <input type="submit" value="Filter" /> </p> </form> <table class="table"> <thead> <tr> <th> @Html.DisplayNameFor(model => model.MovieList[0].Title) </th> <th> @Html.DisplayNameFor(model => model.MovieList[0].ReleaseDate) </th> <th> @Html.DisplayNameFor(model => model.MovieList[0].Genre) </th> <th> @Html.DisplayNameFor(model => model.MovieList[0].Price) </th> <th> @Html.DisplayNameFor(model => model.MovieList[0].Rating) </th> <th></th> </tr> </thead> <tbody> @foreach(Movie movie in Model.MovieList) { <tr> <td> @Html.DisplayFor(modelItem => movie.Title) </td> <td> @Html.DisplayFor(modelItem => movie.ReleaseDate) </td> <td> @Html.DisplayFor(modelItem => movie.Genre) </td> <td> @Html.DisplayFor(modelItem => movie.Price) </td> <td> @Html.DisplayFor(modelItem => movie.Rating) </td> <td> <a asp-action="Edit" asp-route-id="@movie.ID">Edit</a> | <a asp-action="Details" asp-route-id="@movie.ID">Details</a> | <a asp-action="Delete" asp-route-id="@movie.ID">Delete</a> </td> </tr> } </tbody> </table> |
▶ Views/Movie/Create.cshtml
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@model TestProject.Models.Movie @{ ViewData["Title"] = "Create"; } <h1>Create</h1> <h4>MovieModel</h4> <hr /> <div class="row"> <div class="col-md-4"> <form asp-action="Create"> <div asp-validation-summary="ModelOnly" class="text-danger"></div> <div class="form-group"> <label asp-for="Title" class="control-label"></label> <input asp-for="Title" class="form-control" /> <span asp-validation-for="Title" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="ReleaseDate" class="control-label"></label> <input asp-for="ReleaseDate" class="form-control" /> <span asp-validation-for="ReleaseDate" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Genre" class="control-label"></label> <input asp-for="Genre" class="form-control" /> <span asp-validation-for="Genre" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Price" class="control-label"></label> <input asp-for="Price" class="form-control" /> <span asp-validation-for="Price" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Rating" class="control-label"></label> <input asp-for="Rating" class="form-control" /> <span asp-validation-for="Rating" class="text-danger"></span> </div> <div class="form-group"> <input type="submit" value="Create" class="btn btn-primary" /> </div> </form> </div> </div> <div> <a asp-action="Index">Back to List</a> </div> @section Scripts { @{await Html.RenderPartialAsync("_ValidationScriptsPartial");} } |
▶ Views/Movie/Edit.cshtml
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@model TestProject.Models.Movie @{ ViewData["Title"] = "Edit"; } <h1>Edit</h1> <h4>MovieModel</h4> <hr /> <div class="row"> <div class="col-md-4"> <form asp-action="Edit"> <div asp-validation-summary="ModelOnly" class="text-danger"></div> <input type="hidden" asp-for="ID" /> <div class="form-group"> <label asp-for="Title" class="control-label"></label> <input asp-for="Title" class="form-control" /> <span asp-validation-for="Title" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="ReleaseDate" class="control-label"></label> <input asp-for="ReleaseDate" class="form-control" /> <span asp-validation-for="ReleaseDate" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Genre" class="control-label"></label> <input asp-for="Genre" class="form-control" /> <span asp-validation-for="Genre" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Price" class="control-label"></label> <input asp-for="Price" class="form-control" /> <span asp-validation-for="Price" class="text-danger"></span> </div> <div class="form-group"> <label asp-for="Rating" class="control-label"></label> <input asp-for="Rating" class="form-control" /> <span asp-validation-for="Rating" class="text-danger"></span> </div> <div class="form-group"> <input type="submit" value="Save" class="btn btn-primary" /> </div> </form> </div> </div> <div> <a asp-action="Index">Back to List</a> </div> @section Scripts { @{await Html.RenderPartialAsync("_ValidationScriptsPartial");} } |
▶ Views/Movie/Delete.cshtml
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@model TestProject.Models.Movie @{ ViewData["Title"] = "Delete"; } <h1>Delete</h1> <h3>Are you sure you want to delete this?</h3> <div> <h4>MovieModel</h4> <hr /> <dl class="row"> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Title) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Title) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.ReleaseDate) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.ReleaseDate) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Genre) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Genre) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Price) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Price) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Rating) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Rating) </dd> </dl> <form asp-action="Delete"> <input type="hidden" asp-for="ID" /> <input type="submit" value="Delete" class="btn btn-danger" /> | <a asp-action="Index">Back to List</a> </form> </div> |
▶ Views/Movie/Details.cshtml
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@model TestProject.Models.Movie @{ ViewData["Title"] = "Details"; } <h1>Details</h1> <div> <h4>MovieModel</h4> <hr /> <dl class="row"> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Title) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Title) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.ReleaseDate) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.ReleaseDate) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Genre) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Genre) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Price) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Price) </dd> <dt class = "col-sm-2"> @Html.DisplayNameFor(model => model.Rating) </dt> <dd class = "col-sm-10"> @Html.DisplayFor(model => model.Rating) </dd> </dl> </div> <div> <a asp-action="Edit" asp-route-id="@Model.ID">Edit</a> | <a asp-action="Index">Back to List</a> </div> |
※ TestDB 데이터베이스 생성
1. 비주얼 스튜디오를 실행한다.
2. 비주얼 스튜디오에서 [보기] / [SQL Server 개체 탐색기] 메뉴를 클릭한다.
3. [SQL Server 개체 탐색기]에서 [SQL Server] / [(localdb)MSSQLLocalDB…] / [데이터베이스] 노드 위에서 마우스 오른쪽 버튼을 클릭한다.
4. 컨텍스트 메뉴에서 [새 데이터베이스 추가] 메뉴를 클릭한다.
5. [데이터베이스 만들기] 대화 상자에서 아래와 같이 입력하고 [확인] 버튼을 클릭한다.
6. 비주얼 스튜디오에서 [도구] / [NuGet 패키지 관리자] / [패키지 관리자 콘솔] 메뉴를 클릭한다.
7. [패키지 관리자 콘솔]에서 아래 명령을 실행한다.
▶ 실행 명령
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Update-Database |
