查询一天: select * from table where to_days(column_time) = to_days(now()); select * from table where date(column_time) = curdate(); 查询一周(最近7天): select * from table where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(column_time); 查询一个月: select * from table where DATE_SUB(CURDATE(), INTERVAL INTERVAL 1 MONTH) <= date(column_time);