ASP.NET MVC企业级程序设计（增非空，日期转换，修改）

news2024/10/7 5:25:43

题目：

实现过程

控制器代码

DAL

BLL

Index

ADD

题目：

实现过程

控制器代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using MvcApplication1.Models;
namespace MvcApplication1.Controllers
{
    public class HomeController : Controller
    {
        //
        // GET: /Home/

        public ActionResult Index()
        {
            ViewBag.list= BLL.OrderInfoManager.Show();
            return View();
        }
        public ActionResult Jia()
        {
            return View();
        }
    [HttpPost]
        public ActionResult Jia(string OrderDate, string UserName)
        {
            OrderInfo model = new OrderInfo();
            model.OrderState = 0;
            model.UserName = UserName;
            model.OrderDate = Convert.ToDateTime(OrderDate);
            BLL.OrderInfoManager.Add(model);
            return RedirectToAction("Index");
        }
    public ActionResult Sent(int id)
    {
        BLL.OrderInfoManager.Update(id);
        return RedirectToAction("Index");
    }
    }
}

DAL

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using MvcApplication1.Models;
namespace MvcApplication1.DAL
{
    public class OrderInfoServices
    {
        public static List<OrderInfo> Show() {
            OrdersDBEntities db=new OrdersDBEntities();

            return db.OrderInfoes.OrderBy(x=>x.OrderState).ToList();
        }
        public static bool Add(OrderInfo model) {
            OrdersDBEntities db = new OrdersDBEntities();
            db.OrderInfoes.Add(model);
            return db.SaveChanges() > 0;
        }
        public static OrderInfo FindModel(int id) {
            OrdersDBEntities db = new OrdersDBEntities();
            return db.OrderInfoes.SingleOrDefault(x=>x.OrderID==id);
        }
        public static bool Update(int id) {
            OrdersDBEntities db = new OrdersDBEntities();
          OrderInfo model=  FindModel(id);
          db.Entry(model).State = System.Data.EntityState.Modified;
          model.OrderState = model.OrderState == 0 ? 1 : 0;
          return db.SaveChanges() > 0;

        }
    
    }
}

BLL

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using MvcApplication1.Models;
namespace MvcApplication1.BLL
{
    public class OrderInfoManager
    {

        public static List<OrderInfo> Show()
        {
            return DAL.OrderInfoServices.Show();
        }
        public static bool Add(OrderInfo model)
        {
            return DAL.OrderInfoServices.Add(model);
        }
        public static bool Update(int id)
        {
            return DAL.OrderInfoServices.Update(id);

        }
    }
}

Index

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
</head>
<body>
    <div>
        <center> <h1>简易订单管理系统</h1>
        <a href="/Home/Jia">添加订单</a>
        
       <table border="1">
           <tr>
               <th>订单编号</th>
                <th>下单人</th>
                <th>订单日期</th>
                <th>订单状态</th>
                <th>操作</th>

           </tr>
           @foreach (var item in @ViewBag.list  as List<MvcApplication1.Models.OrderInfo>)
           {
               <tr>
                   <td>@item.OrderID</td>
                   <td>@item.UserName</td>
                   <td>@item.OrderDate.ToString("yyyy年MM月dd日")</td>
                    @if (@item.OrderState==0)
                    {
                        <td style="background-color:red">未发货</td>
                    }
                    else
                    {
                         <td style="background-color:white">已发货</td>
                    }
                   @if (@item.OrderState==0)
                    {
                        <td>@Html.ActionLink("发货", "Sent", new { id=@item.OrderID})</td>
                    }
                    else
                    {
                        
                    }
               </tr>
           }
       </table>
            </center>
    </div>
</body>
</html>

ADD

@{
    Layout = null;
}

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Jia</title>
</head>
<body>
    <div>
        <center> <h1>简易订单管理系统</h1>
        <a href="/Home/Index">返回首页</a>

            <form method="post" action="/Home/Jia">
                <label>下单人</label><input type="text" name="UserName" required/><br />
                 <label>订单日期</label><input type="date" name="OrderDate" required/><br />
                <input type="submit" value="添加"/>
            </form>
            </center>
    </div>
</body>
</html>

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