varsql=$@"select * from dc_daily_item_profit_rate where day='{day.ToString("yyyy-MM-dd")}' and item_id in ('{string.Join("','",itemid)}')";
varsql=$@"select t1.day,t1.item_id,t1.rate_order_ad,t1.rate_order,t1.rate_all,t2.rate_order_ad as rate_order_ad_1day,t2.rate_order as rate_order_1day,t2.rate_all as rate_all_1day from dc_daily_item_profit_rate t1