varbase_datas=_connection.Query<dc_report_sales_trend_year>(" select * from dc_report_sales_trend_year where product_type=@product_type and `date`>=@btime and `date`<=@etime ",new{
return_connection.Query<product_type_desc_dto>("select DISTINCT product_type,product_type_desc from dc_report_sales_trend_year where product_type>0").ToList();