通过代码 SELECT product_id, round(IFNULL(clicks / shows,0),3) ctr, round(IFNULL(buycar / clicks,0),3) cart_rate, round(IFNULL(givemoney / buycar,0),3) payment_rate, round(IFNULL(nogivemoney / givemoney,0),3) refund_rate from(SELECT product_id, COUNT(*) shows, sum(if_click...