public ActionResult Create(CartModels cartmodels)
{
if (ModelState.IsValid)
{
cartmodels.CartId = Guid.NewGuid().ToString();
db.CartModels.Add(cartmodels);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(cartmodels);
}
//支付确认首页
public ActionResult Index(string id)
{
//从字符串id中提取商品id和优惠码
string[] idArr = id.Split('|');
//得到优惠码
string coupon = idArr.Length > 1 ? idArr[1] : "";
//得到商品id
id = idArr[0];
CartGuiModel cgm = new CartGuiModel();
//有优惠码的情况
if (string.IsNullOrEmpty(coupon))
{
CartModels cm = db.CartModels.Find(id);
if (cm != null)
{
List<CartModels> cartModelList = db.CartModels.ToList();
//组成能给用户看的购物车数据
cgm.Count = cartModelList.FindAll(e => e.ProductId == cm.ProductId).Count;
cgm.Cart = cm;
cgm.Product = db.ProductModels.Find(cm.ProductId);
cgm.Profile = udb.UserProfiles.ToList().Find(u => u.UserName == cm.UserId);
}
}
//没有优惠码的情况
else
{
//组成能给用户看的购物车数据
//加入用户数据
UserProfile up = new UserProfile();
up.UserId = new Random().Next(999);
up.UserName = "******";
//加入数据库原始购物车数据
CartModels cm = new CartModels();
cm.CartId = Guid.NewGuid().ToString();
cm.ProductId = id;
cm.UserId = up.UserId.ToString();
//加入商品数据
ProductModels pm = db.ProductModels.Find(id);
pm.ProductPrice = (float)(pm.ProductPrice * 0.9);
pm.ProductName += " (with 10% discount)";
cgm.Cart = cm;
cgm.Product = pm;
cgm.Profile = up;
cgm.Count = 1;
}
return View(cgm);
}
//将商品加入购物车，id为唯一标识商品的id
public ActionResult AddToCart(string id = null)
{
//在数据库中找到该商品
ProductModels productmodels = db.ProductModels.Find(id);
//创建一个购物车
CartModels cartmodels = new CartModels();
//为购物车指定是那个商品、那个用户买的、购物车本身的id
cartmodels.CartId = Guid.NewGuid().ToString();
cartmodels.ProductId = id;
cartmodels.UserId = User.Identity.Name;
//存入数据库
db.CartModels.Add(cartmodels);
db.SaveChanges();
//弹窗加入购物车成功
return Content("<script>alert('The item is added to your cart!');window.history.back();</script>");
}
public ActionResult Edit(CartModels cartmodels)
{
if (ModelState.IsValid)
{
db.Entry(cartmodels).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
return View(cartmodels);
}