public ActionResult Edit(VmAdminCosmeticEdit model)
 {
     try
     {
         //输入校验
         if (!ModelState.IsValid)
         {
             return(View(model));
         }
         //向数据库插入数据
         _cosmeticService.Edit(model);
         //转向
         return(RedirectToAction("Detail", new { id = model.CosmeticID }));
     }
     catch (Exception ex)
     {
         ModelState.AddModelError("", ex.Message);
         return(View(model));
     }
 }