/// <summary>
        /// 车辆求购查询
        /// </summary>
        /// <param name="key">关键字</param>
        /// <param name="page">第几页取数据默认0 页面会传递1(逻辑对应)</param>
        /// <param name="area">区域</param>
        /// <param name="city">城市</param>
        /// <param name="clc">二级分类,查找时候找出对应的所有分类,channelListCatagroy简写clc</param>
        /// <returns>View</returns>
        public ActionResult CarBuySearch(string key, int page,
                                         int area, int city,
                                         int clc)
        {
            var model = new CarBuySearchModel(page);

            model.Key      = key;
            model.AreaId   = area;
            model.CityId   = city;
            model.Clc      = clc;
            model.MainCars = buyCarSearch.SearchByKey(key, area, city, page - 1, 10, clc);
            model.CheckModel();
            return(View(model));
        }
        /// <summary>
        /// 宝马页面
        /// </summary>
        /// <param name="id">第几页</param>
        /// <returns>View</returns>
        public ActionResult BMW(int id)
        {
            var model = new CarBuySearchModel(id);

            if (id <= 0)
            {
                return(RedirectToAction("PageNotFound", "PageLink"));
            }
            if (id <= 10)
            {
                model.MainCars = carCache.GetMainCarBuyBMW().Skip((id - 1) * 10).Take(10).ToList();
            }
            else
            {
                //缓存中数量超过100个的时候 才可能有后续数据 这个时候才去读取 否则不读取  默认100个
                if (model.MainCars.Count == 100)
                {
                    model.MainCars = carSearch.SearchByCatagroy(ChannelListDetailCatagroy.BMW, (id - 1), 10);
                }
            }

            model.CheckModel();
            return(View(model));
        }