Long date =Long.parseLong (Shi Jian);

Date de = new date;

simple date format format = new simple date format(" yyyy-DD-mm HH:mm:ss ")；

system . out . println(" time:"+format . format(de))；

String sql="to_date("+de+"，' YYYY-MM-DD hh:MM:ss ')"； //Put sql statements and write them by yourself.