MySQL 日期时间戳函数

    curdate() curtime() now();   select curdate();
        select unix_timestamp(now());
        select from_unixtime(1331110656);
        select week(now()),year(now());
        select hour(curtime()),minute(curtime());
        select monthname(now());
        select date_format(now(),"%Y-%m-%d %H:%i:%s");