摘自:http://blog.csdn.net/javaalpha/article/details/10541113
一年的第一天,最後一天:
select date_format(now(),'%Y-01-01') as firstday,date_format(now(),'%Y-12-31') as lastday;
mysql 獲取當年第一天的年月日格式:
SELECT DATE_SUB(CURDATE(),INTERVAL dayofyear(now())-1 DAY);
當前week的第一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 1 DAY)
當前week的最後一天:
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的最後一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 2 DAY)
前兩week的第一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 15 DAY)
前兩week的最後一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 9 DAY)
當前month的第一天:
SELECT concat(date_format(LAST_DAY(now()),’%Y-%m-’),’01′)
當前month的最後一天:
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的最後一天:
SELECT LAST_DAY(now() – interval 1 month)
前兩month的第一天:
SELECT concat(date_format(LAST_DAY(now() – interval 2 month),’%Y-%m-’),’01′)
前兩month的最後一天:
SELECT LAST_DAY(now() – interval 2 month)
當前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′)
當前quarter的最後一天:
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的最後一天:
select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-4 month)
前兩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′)
前兩quarter的最後一天:
select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-7 month)