public interface MusicTypeRepository extends JpaRepository<MusicType,Integer> {
     @Query("select new cn.srblog.springbootcurd.vo.StudentTypeInfoVo(count(s.id),m.name) " +
             "FROM MusicType m  left JOIN Student s on s.musicTypeId = m.id group by m.id ")
     List<StudentTypeInfoVo> getTypeInfo();
}

@Value
public class StudentTypeInfoVo  {
    private Long count;
    private String name;
}

public interface CoursePlanRepository extends JpaRepository<CoursePlan,Integer> {
       @Query(nativeQuery = true,value = "SELECT " +
               " c.id as id," +
               "DAYOFWEEK(c.start_time) as week," +
               "m.name as musicType," +
               "t.name as teacherName," +
               "c.start_time as startTime," +
               "c.end_time as endTime " +
               " FROM t_courseplan c,t_musictype m , t_teacher t " +
               " WHERE DATE(c.start_time) < DATE_ADD(CURDATE(), INTERVAL 7 DAY ) AND CURDATE() <= DATE(c.start_time) " +
               " and t.id=c.tea_id and c.music_type_id = m.id order by c.start_time ")
       List<CoursePlanVos> getWeekList();
}

public interface CoursePlanVos{
    Integer getId();
    Integer getWeek();
    String getMusicType();
    String getTeacherName();
    Date getStartTime() ;
    Date getEndTime();
}

@Query(value = "select count(s.id) as count,m.name as name " +
             " FROM t_musictype m  left JOIN t_student s on s.music_type_id = m.id group by m.id ",nativeQuery = true)
    List<Object[]> listType1();

@Entity
@SqlResultSetMapping(
        name="TestMapping",
        entities = {
                @EntityResult(
                        entityClass = com.xxx.xx.data.model.TestEntity.class,
                        fields = {
                                @FieldResult(name="id",column="id"),
                                @FieldResult(name="localTime",column="time"),
                                @FieldResult(name="maximumAppointment",column="maxAppointment"),
                        }
                )
        }
)
@NamedNativeQuery(name="getTestQuery",
        query="select tableC.id as id,tableB.time,tableC.maximumAppointment as maxAppointment from tableB " +
                "                              inner join tableA on tableA.id = tableB.tableAId " +
                "                              inner join tableC on tableB.id = tableC.tableBId " +
                "                              inner join custom on custom.id = tableA.customId " +
                "where " +
                "   tableA.locationId = :locationId" +
                "   and custom.id = :customId" +
                "   and tableB.deleted = false ", resultSetMapping="TestMapping")
@Data
public class TestEntity {
    @Id
    private String id;
    private LocalTime localTime;
    private Integer maximumAppointment;
}

@Repository
public interface TestEntityRepository extends JpaRepository<TestEntity,String> {
    @Query(name="getTestQuery")
    List<TestEntity> getTestQuery(String locationId, String customId);
}

CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();