1. jpa ,若是只想用jpa查询固定条数的数据,能够这么操做java
User findFirstByOrderByLastnameAsc(); User findTopByOrderByAgeDesc(); Page<User> queryFirst10ByLastname(String lastname, Pageable pageable); Slice<User> findTop3ByLastname(String lastname, Pageable pageable); List<User> findFirst10ByLastname(String lastname, Sort sort); List<User> findTop10ByLastname(String lastname, Pageable pageable);
List<User> findAllByUserNameEquals(String userName,Pageable pageable);
调用的时候code
userRepository.findAllByUserNameEquals("关关", PageRequest.of(0,10)); //其中0为page,10为size
3. jpa使用语法:it