CREATE TABLE IF NOT EXISTS `history_five_minutely_${timeUnits}` ( `mac` VARCHAR (30) DEFAULT NULL COMMENT '设备mac', `time` datetime DEFAULT NULL COMMENT '数据时间', `value` json DEFAULT NULL COMMENT '数据', KEY `idx_mac_time` (`mac`,`time`) ) ENGINE=INNODB DEFAULT CHARSET=utf8 COMMENT '5分钟数据表' INSERT INTO history_five_minutely_${timeUnits} VALUES (#{item.mac}, #{item.time}, #{item.value})