熱血巴!衝浪怪獸!Kirin!

Ex1 : public < T > T getBean(String name, Class < T > requiredType) throws BeansException { return getBeanFactory ( ) . getBean ( name , requiredType ) ; } 由參數中的 requiredType ,來決定回傳值 的型別 Ex2 public < T > T getBean(String name) throws BeansException { return (T)getBeanFactory ( ) . getBean ( name ) ; } 由回傳值來決定內部處理的型別

1. 由 Date 轉換成  java milliseconds Ex1: SELECT UNIX_TIMESTAMP(CURDATE())*1000; 結果如下 +--------------------------------+ | UNIX_TIMESTAMP(CURDATE())*1000 | +--------------------------------+ |                  1417737600000 | +--------------------------------+ 1 row in set Ex2 SELECT UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p'))*1000; +------------------------------------------------------------------------+ | UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p'))*1000 | +------------------------------------------------------------------------+ |                                                             1334448000000 | +------------------------------------------------------------------------+ 1 row in set 2. 由 java milli...