统计访问页面数量,以分辨率进行排名 SELECT CONCAT(`height` , '*', `width`) AS `resolution` , COUNT(CONCAT(`height`, '*', `width`)) AS `total` FROM `wifi_status_page` GROUP BY CONCAT(`height`, '*', `width`) ORDER BY `total` DESC LIMIT 0 , 30 最近7天页面访问量,每日统计数量,以日期为序 SELE