我的第一个MVC4程序

浏览数：51 / 时间：2015年06月09日

实体

    public class MovieModels
    {
    }

    public class MovieDB
    {
        public int Id { get; set; }
        public string Title { get; set; }
        public string Director { get; set; }
        public DateTime Date { get; set; }
    }
/// <add name="MovieDbContext" connectionString="Data Source=(LocalDB)\v11.0;AttachDbFilename=|DataDirectory|\Movies.mdf;Integrated Security=True" providerName="System.Data.SqlClient"/>配置文件中的需要注意name，需要一样不区分大小写
    public class MovieDBContext : DbContext
    {
        public DbSet<MovieDB> Movies { get; set; }
    }

Controller

public class MoviesController : Controller
    {
        private MovieDBContext db = new MovieDBContext();
        //
        // GET: /Movies/

        public ActionResult Index(string searchTitle)//也view名称一样，searchTitle必须与前台查询的名称相同
        {
            var titleQuery = from d in db.Movies orderby d.Title select d.Title;
            ViewBag.SearchTitle = new SelectList(titleQuery);//查询，SearchTitle必须与前台查询的名称相同，否则报错。

            var movies = from m in db.Movies select m;
            if (!string.IsNullOrEmpty(searchTitle))
            {
                return View(movies.Where(x => x.Title == searchTitle));
            }

            return View(db.Movies.ToList());
        }

        public ActionResult Delete(int id = 0)
        {
            MovieDB movie = db.Movies.Find(id);
            if (movie == null)
            {
                return HttpNotFound();
            }
            return View(movie);
        }

        [HttpPost, ActionName("Delete")]
        public ActionResult DeleteConfirmed(int id)
        {
            MovieDB movie = db.Movies.Find(id);
            db.Movies.Remove(movie);
            db.SaveChanges();
            return RedirectToAction("Index");
        }

        public ActionResult Details(int id = 0)
        {
            MovieDB movie = db.Movies.Find(id);
            if (movie == null)
            {
                return HttpNotFound();
            }

            return View(movie);
        }

        //
        // GET: /Movies/Create

        public ActionResult Create()//点击create时触发的事件，返回一个空页面
        {
            return View();
        }

        [HttpPost]
        public ActionResult Create(MovieDB movie)//保存数据
        {
            if (ModelState.IsValid)
            {
                db.Movies.Add(movie);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(movie);
        }

        //GET:/Movies/Edit/5
        public ActionResult Edit(int id = 0)
        {
            MovieDB movie = db.Movies.Find(id);

            if (movie == null)
            {
                return HttpNotFound();
            }

            return View(movie);
        }

        //POST: /Movies/Edit/5
        [HttpPost]
        public ActionResult Edit(MovieDB movie)
        {
            if (ModelState.IsValid)
            {
                db.Entry(movie).State = System.Data.EntityState.Modified;
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(movie);
        }

    }

Index.cshtml

@model IEnumerable<MVC4Movies.Models.MovieDB>//项目名称MVC4Movies
@{
    ViewBag.Title = "Index";
}

<h2>Index</h2>

<p>
    @Html.ActionLink("Create New","Create")
</p>
<form method="get">
    <p>
        Genre:@Html.DropDownList("SearchTitle", "all")
        <input type="submit" value="search" />
    </p>
</form>
<table>
    <tr>
        <th>@Html.DisplayNameFor(model => model.Id)</th>
        <th>@Html.DisplayNameFor(model => model.Title)</th>
        <th>@Html.DisplayNameFor(model => model.Director)</th>
        <th>@Html.DisplayNameFor(model => model.Date)</th>
    </tr>
    @foreach (var item in Model) { 
        <tr>
            <td>
                @Html.DisplayFor(modelItem => item.Id)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Title)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Director)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Date)
            </td>
            <td>
                @Html.ActionLink("Edit", "Edit", new { id = item.Id})|
                @Html.ActionLink("Details", "Details", new { id = item.Id })|
                @Html.ActionLink("Delete", "Delete", new {id = item.Id })
            </td>
        </tr>
    }
</table>

Edit.cshtml

@model MVC4Movies.Models.MovieDB
@{
    ViewBag.Title = "Edit";
}

<h2>Edit</h2>

@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)

    <fieldset>
        <legend>Movie</legend>

        @Html.HiddenFor(model => model.Id)
        
        <div class="editor-label">
            @Html.LabelFor(model => model.Title)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Title)
            @Html.ValidationMessageFor(model => model.Title)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Director)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Director)
            @Html.ValidationMessageFor(model => model.Director)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Date)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Date)
            @Html.ValidationMessageFor(model => model.Date)
        </div>
        <p>
            <input type="submit" value="Save" />
        </p>
    </fieldset>
}

<div>
    @Html.ActionLink("Back to List", "Index")
</div>

@section Scripts {
    @Scripts.Render("~/bundles/jqueryval")
}

Details.cshtml

@model MVC4Movies.Models.MovieDB
@{
    ViewBag.Title = "Details";
}

<h2>Details</h2>

<fieldset>
    <legend>Movie</legend>

    <div class="display-label">
        @Html.DisplayNameFor(model => model.Title)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Title)
    </div>
    <div class="display-label">
        @Html.DisplayNameFor(model => model.Director)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Director)
    </div>
    <div class="display-label">
        @Html.DisplayNameFor(model => model.Date)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Date)
    </div>
</fieldset>
<p>
    @Html.ActionLink("Edit", "Edit", new { id=Model.Id})
    @Html.ActionLink("Back to list", "Index")
</p>

Delete.cshtml

@model MVC4Movies.Models.MovieDB
@{
    ViewBag.Title = "Delete";
}

<h2>Delete</h2>

<fieldset>
    <legend>Movie</legend>

    @Html.HiddenFor(model => model.Id)
        
    <div class="display-label">
        @Html.LabelFor(model => model.Title)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Title)
    </div>

    <div class="display-label">
        @Html.LabelFor(model => model.Director)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Director)
    </div>

    <div class="display-label">
        @Html.LabelFor(model => model.Date)
    </div>
    <div class="display-field">
        @Html.DisplayFor(model => model.Date)
    </div>
</fieldset>

@using (Html.BeginForm()) {
    <p>
        <input type="submit" value="Delete" /> |
        @Html.ActionLink("Back to List", "Index")
    </p>
}

Create.cshtml

@model MVC4Movies.Models.MovieDB
@{
    ViewBag.Title = "Create";
}

<h2>Create</h2>
@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)

    <fieldset>
        <legend>Movie</legend>
        
        <div class="editor-label">
            @Html.LabelFor(model => model.Title)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Title)
            @Html.ValidationMessageFor(model => model.Title)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Director)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Director)
            @Html.ValidationMessageFor(model => model.Director)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Date)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Date)
            @Html.ValidationMessageFor(model => model.Date)
        </div>
        <p>
            <input type="submit" value="Create" />
        </p>
    </fieldset>
}

<div>
    @Html.ActionLink("Back to List", "Index")
</div>

@section Scripts {
    @Scripts.Render("~/bundles/jqueryval")
}