获取年份YEAR(CURDATE());2022
获取月份MONTH(CURDATE());6
当前时间DATE(CURDATE());2022-06-13
获取年月date_format(CURDATE(), ‘%Y%m’)202206
//计算当前虚岁年龄
AND (YEAR(CURDATE())-YEAR(birth_day)+1) = #{Age}