獲取當前系統日期時間：select SYSDATE() AS 系統日期時間;

獲取當前系統年月日：select current_date AS 年月日;

獲取當前系統年份：select year(CURRENT_DATE) AS 年 ;

獲取當前系統月份：select month(CURRENT_DATE) AS 月;

獲取當前系統日：select day(CURRENT_DATE) AS 日;

獲取當前系統時間：select time(SYSDATE()) AS 系統時間;

獲取當前系統小時：select HOUR(SYSDATE()) AS 系統小時;

獲取當前系統分鐘：select MINUTE(SYSDATE()) AS 系統分鐘;

獲取當前系統秒：select SECOND(SYSDATE()) AS 系統秒;

獲取當前系統毫秒：select MICROSECOND(SYSDATE()) AS 系統秒;
 

列子：

-- 查詢當日資料 --
 SELECT sum(integral_approval.sq_integral) AS jf,sum(integral_approval.k_integral) as kf,user_name as userName,ti_jiao_name_img as imgs  from  integral_approval
 where status=1 AND 
TO_DAYS(integral_approval.sp_time) = TO_DAYS(NOW()) GROUP BY user_name,ti_jiao_name_img ORDER BY sum(integral_approval.sq_integral) DESC;

-- 查詢當月資料 --
SELECT sum(integral_approval.sq_integral) AS jf,sum(integral_approval.k_integral) as kf,user_name as userName,ti_jiao_name_img as imgs  from  integral_approval
 where status=1 AND 
date_format(integral_approval.sp_time,'%Y-%m')=date_format(now(),'%Y-%m')
GROUP BY user_name,ti_jiao_name_img ORDER BY sum(integral_approval.sq_integral) DESC;

-- 查詢當年資料 --
SELECT sum(integral_approval.sq_integral) AS jf,sum(integral_approval.k_integral) as kf,user_name as userName,ti_jiao_name_img as imgs  from  integral_approval
 where status=1 AND 
date_format(integral_approval.sp_time,'%Y') = year(now())
GROUP BY user_name,ti_jiao_name_img ORDER BY sum(integral_approval.sq_integral) DESC;

-- 查詢當季資料 --
SELECT sum(integral_approval.sq_integral) AS jf,sum(integral_approval.k_integral) as kf,user_name as userName,ti_jiao_name_img as imgs  from  integral_approval
 where status=1 AND 
 QUARTER(integral_approval.sp_time)=QUARTER(now())
GROUP BY user_name,ti_jiao_name_img ORDER BY sum(integral_approval.sq_integral) DESC;