set @today=\'2017-04-25\';set @ydate=DATE_SUB(@today, INTERVAL 7 day);select @today, @ydate; 待续。。。。 相关文章: 2022-12-23 2019-02-24 2022-02-25 2022-12-23 2021-10-22 2022-12-23 2022-12-23