select a.wl_num,a.parent_id,GROUP_CONCAT(b.cat_name,' ',a.cat_name) as lb,a.action_name,a.rate,a.rate_hot,ROUND(sum(a.rate+a.rate_hot/100),4) as moq_rate from golon_ics_category a left join golon_ics_category b on a.parent_id=b.id where a.mpn_bm='golon_qrs_wkzq' array(1) { [0]=> array(7) { ["wl_num"]=> string(4) "1070" ["parent_id"]=> string(1) "8" ["lb"]=> string(33) "嵌入式 微控制器,单片机" ["action_name"]=> string(2) "q4" ["rate"]=> string(5) "1.063" ["rate_hot"]=> string(2) "43" ["moq_rate"]=> string(6) "1.4930" } }

封装：

外壳：8-SOIC(宽3.9mm p1.27mm)

描述：