java jpa如何自定义sql语句

@Query(value = "SELECT b FROM QyVideo a JOIN YjQyXx b ON  a.qyId = b.id AND a.cameraid = ?1 ")

@Transactional
@Modifying
@Query(value = "truncate table yj_qy_xx", nativeQuery = true)

@Query("select p from WhpzxryzsXxPo p where p.ryxm like concat('%',?1,'%') and p.cyyxqq >= ?2")

@Query(value = "SELECT new com.kun.aqsczt.vo.FxjzfbVo(u, seventinfo) FROM SSMsInfo u left join SEventInfo seventinfo on u.referId = seventinfo.eventId WHERE (:referType IS NULL OR :referType IS '' OR u.referType = :referType) AND (:isSend IS NULL OR :isSend IS '' OR u.isSend = :isSend) ")

@Query(value = "SELECT a  FROM CEiWorkaccMaybe a " +
            "WHERE (:psnName IS NULL OR :psnName IS '' OR a.psnName LIKE %:psnName%) " +
            "AND (:commName IS NULL OR :commName IS '' OR a.commName LIKE %:commName%) " +
            "AND (:idCard IS NULL OR :idCard IS '' OR a.idCard LIKE %:idCard%) " +
            "AND (:doctorDateStart IS NULL OR :doctorDateStart IS '' OR a.doctorDate >= :doctorDateStart) " +
            "AND (:doctorDateEnd IS NULL OR :doctorDateEnd IS '' OR a.doctorDate <= :doctorDateEnd) "
    )
Page<CEiWorkaccMaybe> getSuspectedWorkAccidentVerification(
            @Param("psnName") String psnName,
            @Param("commName") String commName,
            @Param("idCard") String idCard,
            @Param("doctorDateStart") String doctorDateStart,
            @Param("doctorDateEnd") String doctorDateEnd,
            Pageable pageable
    );

 @Query(value = "select m.field AS field,COUNT(m.field) AS size from MigrationObject m where m.xmlName = ?1 and m.groupName = ?2 group by m.field")
    List<WorkCenter> geTKEy(String xmlName, String groupName);

public interface WorkCenter { 
    String getField();
    String getSize();
}

   List<WorkCenter> list = migrationObjectRepository.getKey("EN_Work centerResource.xml","Key");
        for (WorkCenter workCenter:list){
            System.out.println(workCenter.getField());
            System.out.println(workCenter.getSize());
        }