- --当年第一天:
- SELECT DATE_SUB(CURDATE(),INTERVAL dayofyear(now())-1 DAY);
- --当年最后一天:
- SELECT concat(YEAR(now()),'-12-31');
- --当前week的第一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 1 DAY);
- --当前week的最后一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) - 5 DAY);
- --前一week的第一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 8 DAY);
- --前一week的最后一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 2 DAY);
- --前两week的第一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 15 DAY);
- --前两week的最后一天:
- select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 9 DAY);
- --当前month的第一天:
- SELECT DATE_ADD(curdate(),interval -day(curdate())+1 day);
- --当前month的最后一天:
- SELECT LAST_DAY(now());
- --前一month的第一天:
- SELECT concat(date_format(LAST_DAY(now() - interval 1 month),'%Y-%m-'),'01');
- --前一month的最后一天:
- SELECT LAST_DAY(now() - interval 1 month);
- --前两month的第一天:
- SELECT concat(date_format(LAST_DAY(now() - interval 2 month),'%Y-%m-'),'01');
- --前两month的最后一天:
- SELECT LAST_DAY(now() - interval 2 month);
- --当前quarter的第一天:
- select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-3 month),'%Y-%m-'),'01');
- --当前quarter的最后一天:
- select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-1 month);
- --前一quarter的第一天:
- select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-6 month),'%Y-%m-'),'01');
- --前一quarter的最后一天:
- select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-4 month);
- --前两quarter的第一天:
- select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-9 month),'%Y-%m-'),'01');
- --前两quarter的最后一天:
- select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-7 month);