mysql生日提醒
Java代码 SELECT datediff(DATE_ADD("1989-01-02", INTERVAL TIMESTAMPDIFF (YEAR,"1989-01-02","2013-10-15") YEAR),NOW())
先计算出生日离当前日期的年份差，
在用生日+上年份差与当前时间做减法
Java代码 SELECT datediff(DATE_ADD("1989-01-02", INTERVAL TIMESTAMPDIFF (YEAR,"1989-01-02","2013-10-15") YEAR),NOW())