Books.web/Controllers/BuyController.cs

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using Books.Service;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Books.Service.DAL;

namespace Books.web.Controllers
{
    [MyAction()]
    public class BuyController : Controller
    {
        public OrderDetailService OrderDetailService { get; set; } = new OrderDetailService();
        public Model1 Model1 { get; set; } = new Model1();
        // GET: Buy
      
        public ActionResult Index()
        {
            var email = Request.Cookies["user"].Value;
            var user = Model1.UserEntities.FirstOrDefault(e=>e.Email==email );
            
            /*var date = OrderDetailService.GetAll(user.Id, out sum);*/
            var date = user.OrderDetailEntities.Where(e=>e.OrderId==1);
           
            return View(date);
        }
        public ActionResult Add(int bookid, int count)
        {
            var user = new UserService().GetUser(Request.Cookies["user"].Value);
            OrderDetailService.Add(bookid, user.Id, count);
            return Redirect("Index");
        }
        /// <summary>
        /// 下单
        /// </summary>
        /// <returns></returns>
        public string orders(int[]ar,string address)
        {
            var email = Request.Cookies["user"].Value;
            var user = Model1.UserEntities.FirstOrDefault(e => e.Email == email);
            OrdersEntities orders = new OrdersEntities { Address = address, CreateDateTime = DateTime.Now, IsDeleted = false };
            decimal sum = 0;
            foreach (var item in ar)
            {
                var detail=user.OrderDetailEntities.FirstOrDefault(e => e.Id == item);
                sum = detail.counts * detail.BookEntities.Price;
                detail.OrdersEntities = orders;
            }
            orders.Remark = sum.ToString();
            Model1.SaveChanges();
            return orders.Id.ToString() ;
            
        }
        [HttpGet]
        public ActionResult Pay(int id)
        {
            return View(Model1.OrdersEntities.FirstOrDefault(e => e.Id == id));
        }
        [HttpPost]