/// <summary>
        /// 查询地区价格趋势
        /// </summary>
        /// <returns>地区价格趋势,总页数</returns>
        public IEnumerable<object> Get()
        {
            int totalPage = 0;
            List<AreaPriceTrend> result = new List<AreaPriceTrend>();

            var queryString = Request.GetQueryNameValuePairs();
            var queryConditions = new AreaPriceTrendQueryConditions();
            queryConditions.GetValues(queryString);

            AreaPriceTrendFunction areaPriceTrendFunction = new AreaPriceTrendFunction();
            areaPriceTrendFunction.QueryAreaPriceTrend(queryConditions, out result, out totalPage);

            List<object> objectResult = new List<object>() { result, new { totalPage = totalPage } };

            return objectResult;
        }
        //查询地区价格趋势
        public int QueryAreaPriceTrend(AreaPriceTrendQueryConditions queryConditions, out List<AreaPriceTrend> result,out int totalPage)
        {
            using (var db = new HouseMarketEntities())
            {
                totalPage = 0;

                var entities = db.AreaPriceTrends;
                var query = SetQuery(entities, queryConditions, out totalPage);
                result = query.ToList();

                return 0;
            }
        }
        /// <summary>
        /// 查询单个地区价格趋势
        /// </summary>
        /// <param name="area">地区</param>
        /// <returns>地区价格趋势,总页数</returns>
        public IEnumerable<object> Get(string area)
        {
            int totalPage = 0;
            List<AreaPriceTrend> result = new List<AreaPriceTrend>();

            var queryConditions = new AreaPriceTrendQueryConditions() { Area = area };
            AreaPriceTrendFunction areaPriceTrendFunction = new AreaPriceTrendFunction();
            areaPriceTrendFunction.QueryAreaPriceTrend(queryConditions, out result, out totalPage);

            List<object> objectResult = new List<object>() { result, new { totalPage = totalPage } };

            return objectResult;
        }