-- 今天
select DATE_FORMAT(NOW(),'%Y-%m-%d 00:00:00') AS '今天开始';
select DATE_FORMAT(NOW(),'%Y-%m-%d 23:59:59') AS '今天结束';
-- 昨天
select DATE_FORMAT( DATE_SUB(CURDATE(), INTERVAL 1 DAY), '%Y-%m-%d 00:00:00') AS '昨天开始';
select DATE_FORMAT( DATE_SUB(CURDATE(), INTERVAL 1 DAY), '%Y-%m-%d 23:59:59') AS '昨天结束';
-- 上周
select DATE_FORMAT( DATE_SUB( DATE_SUB(CURDATE(), INTERVAL WEEKDAY(CURDATE()) DAY), INTERVAL 1 WEEK), '%Y-%m-%d 00:00:00') AS '上周一';
select DATE_FORMAT( SUBDATE(CURDATE(), WEEKDAY(CURDATE()) + 1), '%Y-%m-%d 23:59:59') AS '上周末';
-- 本周
-- select DATE_FORMAT( DATE_SUB(NOW(), INTERVAL WEEKDAY(NOW()) DAY), '%Y-%m-%d 00:00:00') AS '本周一';
-- select DATE_FORMAT( DATE_SUB(NOW(), INTERVAL WEEKDAY(NOW()) DAY), '%Y-%m-%d 23:59:59') AS '本周末';
-- 本周
select DATE_FORMAT( SUBDATE(CURDATE(),DATE_FORMAT(CURDATE(),'%w')-1), '%Y-%m-%d 00:00:00') AS '本周一';
select DATE_FORMAT( SUBDATE(CURDATE(),DATE_FORMAT(CURDATE(),'%w')-7), '%Y-%m-%d 23:59:59') AS '本周末';
-- 上月
select DATE_FORMAT( DATE_SUB(CURDATE(), INTERVAL 1 MONTH), '%Y-%m-01 00:00:00') AS '上月初';
select DATE_FORMAT( LAST_DAY(DATE_SUB(CURDATE(), INTERVAL 1 MONTH)), '%Y-%m-%d 23:59:59') AS '上月末';
-- 本月
select DATE_FORMAT( CURDATE(), '%Y-%m-01 00:00:00') AS '本月初';
select DATE_FORMAT( LAST_DAY(CURDATE()), '%Y-%m-%d 23:59:59') AS '本月末';