题目
1、使用Code First技术创建一个Movie数据模型。
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public class Movie
{
public int ID { get; set; } //电影编号
public string Title { get; set; } //电影名称
public DateTime ReleaseDate { get; set; } //上映时间
public string Genre { get; set; } //电影类型
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2、使用MVC相关技术实现数据的列表显示和新增功能。
3、完成数据的编辑、删除、明细和条件查询等功能。
4、完成如下查询：
（1）查询尚未上映电影的信息
（4）查询票价在某个区间的电影信息
效果
（源码在文章结尾）
主要涉及知识点
1、ASP.NET WEB MVC下的目录结构以及基础编程
2、Linq查询操作
3、Code First
4、各模板View的建立和使用
主要代码
MovieController.cs
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using ProjectThree.Models;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace ProjectThree.Controllers
{
public class MovieController : Controller
{
MovieDBContext db = new MovieDBContext();
// GET: Movie
public ActionResult Index(string movieOn, string movieGenre,
string searchString, string lowPrice, string highPrice)
{
//初始化电影是否上映下拉
var GenreLst1 = new List<string>();
GenreLst1.Add("是");
GenreLst1.Add("否");
ViewBag.movieOn = new SelectList(GenreLst1);
//初始化电影类型下拉
var GenreLst2 = new List<string>();
var GenreQry = from d in db.Movies orderby d.Genre select d.Genre;
GenreLst2.AddRange(GenreQry.Distinct()); //去重
ViewBag.movieGenre = new SelectList(GenreLst2);
var movies = from m in db.Movies select m;
if (!String.IsNullOrEmpty(movieOn))
{
DateTime dtNow = DateTime.Now;
if (movieOn.Equals("是"))
{ movies = movies.Where(s => DateTime.Compare(dtNow, s.ReleaseDate) > 0); }
else if (movieOn.Equals("否"))
{ movies = movies.Where(s => DateTime.Compare(dtNow, s.ReleaseDate) <= 0); }
}
if (!String.IsNullOrEmpty(movieGenre))
{ movies = movies.Where(x => x.Genre == movieGenre); }
if (!String.IsNullOrEmpty(searchString))
{ movies = movies.Where(s => s.Title.Contains(searchString)); }
if ((!String.IsNullOrEmpty(lowPrice)) && (!String.IsNullOrEmpty(highPrice)))
{
try
{
Decimal low = Decimal.Parse(lowPrice);
Decimal high = Decimal.Parse(highPrice);
if (high < low)
{
Response.Write("<script>alert('左边价格不可大于右边!');</script>");
}
else
{
movies = movies.Where(s => s.Price >= low);
movies = movies.Where(s => s.Price <= high);
}
}
catch
{
Response.Write("<script>alert('必须输入数字!');</script>");
return View(movies);
}
}
return View(movies);
}
public ActionResult Create()
{
return View();
}
[HttpPost]
public ActionResult Create(Movie m)
{
if (ModelState.IsValid)
{
db.Movies.Add(m);
db.SaveChanges();
return RedirectToAction("Index", "Movie");
}
return View(m);
}
public ActionResult Delete(int? id)
{
Movie m = db.Movies.Find(id);
if (m != null)
{
db.Movies.Remove(m);
db.SaveChanges();
}
return RedirectToAction("Index", "Movie");
}
public ActionResult Edit(int id)
{
Movie stu = db.Movies.Find(id);
return View(stu);
}
[HttpPost]
public ActionResult Edit(Movie stu)
{
db.Entry(stu).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index", "Movie");
}
}
}
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Movie.cs
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using System;
using System.ComponentModel.DataAnnotations;
namespace ProjectThree.Models
{
public class Movie
{
[Display(Name = "电影编号")]
public int ID { get; set; } //电影编号
[Display(Name = "电影名称")]
[Required(ErrorMessage = "必填")]
[StringLength(60, MinimumLength = 3, ErrorMessage = "必须是[3,60]个字符")]
public string Title { get; set; } //电影名称
[Display(Name = "上映时间")]
[DataType(DataType.Date)]
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}",ApplyFormatInEditMode = true)]
public DateTime ReleaseDate { get; set; } //上映时间
[Display(Name = "电影类型")]
[Required]
public string Genre { get; set; } //电影类型
[Display(Name = "电影票价")]
[Range(1, 100)]
[DataType(DataType.Currency)]
public decimal Price { get; set; } //电影票价
[Display(Name = "电影分级")]
[StringLength(5)]
[Required]
public string Rating { get; set; } //电影分级
}
}
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MovieDBContext.cs
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using System.Data.Entity;
namespace ProjectThree.Models
{
public class MovieDBContext : DbContext
{
public DbSet<Movie> Movies { get; set; }
}
}
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Index.cshtml
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@model IEnumerable<ProjectThree.Models.Movie>
@{
ViewBag.Title = "Index";
}
<p>
@Html.ActionLink("新建", "Create")
@using (Html.BeginForm("Index", "Movie", FormMethod.Get))
{
<p>
电影是否上映:@Html.DropDownList("movieOn", "all")
电影类型:@Html.DropDownList("movieGenre", "all")
电影名称:@Html.TextBox("SearchString")
票价区间:@Html.TextBox("lowPrice")~@Html.TextBox("highPrice")
<input type="submit" value="查询" />
</p>
}
</p>
<table class="table">
<tr>
<th>
@Html.DisplayNameFor(model => model.Title)
</th>
<th>
@Html.DisplayNameFor(model => model.ReleaseDate)
</th>
<th>
@Html.DisplayNameFor(model => model.Genre)
</th>
<th>
@Html.DisplayNameFor(model => model.Price)
</th>
<th>
@Html.DisplayNameFor(model => model.Rating)
</th>
<th></th>
</tr>
@foreach (var item in Model) {
<tr>
<td>
@Html.DisplayFor(modelItem => item.Title)
</td>
<td>
@Html.DisplayFor(modelItem => item.ReleaseDate)
</td>
<td>
@Html.DisplayFor(modelItem => item.Genre)
</td>
<td>
@Html.DisplayFor(modelItem => item.Price)
</td>
<td>
@Html.DisplayFor(modelItem => item.Rating)
</td>
<td>
@Html.ActionLink("编辑", "Edit", new { id=item.ID }) |
@Html.ActionLink("详情", "Details", new { id=item.ID }) |
@Html.ActionLink("删除", "Delete", new { id=item.ID }, new { onclick = "return confirm('确认删除吗？')" })
</td>
</tr>
}
</table>
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Create.cshtml
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@model ProjectThree.Models.Movie
@{
ViewBag.Title = "Create";
}
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>Movie</h4>
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<div class="form-group">
@Html.LabelFor(model => model.Title, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Title, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Title, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.ReleaseDate, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.ReleaseDate, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.ReleaseDate, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Genre, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Genre, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Genre, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Price, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Price, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Price, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Rating, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Rating, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Rating, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
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Edit.cshtml
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@model ProjectThree.Models.Movie
@{
ViewBag.Title = "Edit";
}
<h2>Edit</h2>
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>Movie</h4>
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
@Html.HiddenFor(model => model.ID)
<div class="form-group">
@Html.LabelFor(model => model.Title, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Title, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Title, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.ReleaseDate, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.ReleaseDate, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.ReleaseDate, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Genre, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Genre, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Genre, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Price, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Price, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Price, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Rating, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Rating, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Rating, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Save" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
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源码地址
http://download.csdn.net/detail/double2hao/9710754
以上所述是小编给大家介绍的ASP.NET实现电影票信息的增删查改功能，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对快网idc网站的支持！
原文链接：http://blog.csdn.net/double2hao/article/details/53634259
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