INT WEEKOFYEAR(DATETIME date)
获得一年中的第几周
参数为Date或者Datetime类型
MySQL > select weekofyear('2008-02-20 00:00:00');
+-----------------------------------+
| weekofyear('2008-02-20 00:00:00') |
+-----------------------------------+
| 8 |
+-----------------------------------+
WEEKOFYEAR