JPA 查询原生SQL转换VO对象方式

 List<String> sqlList = RiverCourseSql.getRiverCourseSQLString(new RiverCourseDataQO());
        List<RiverCourseDataVO> riverCourseDataVO = rsvrfsrBDao.executeNativeQuery2Obj(sqlList.get(0), new PageQO(), RiverCourseDataVO.class);

 <E> List<E> executeNativeQuery2Obj(String sql, SortQO sortQO, Class<E> clz);
public <E> List<E> executeNativeQuery2Obj(String sql, SortQO sortQO, Class<E> clz) {
        Query query = this.entityManager.createNativeQuery(sql);
        this.setAliasParameter(query, sortQO);
        ((NativeQueryImpl)query.unwrap(NativeQueryImpl.class)).setResultTransformer(Transformers.aliasToBean(clz));
        List<E> resultList = query.getResultList();
        return resultList;
    }

import javax.persistence.EntityManager;
import javax.persistence.Query;
@Autowired
private EntityManager entityManager;

String sql = "sql";
Query nativeQuery = entityManager.createNativeQuery(sql);

nativeQuery.setParameter(String var1, Object var2);

NativeQueryImplementor nativeQueryImplementor = nativeQuery.unwrap(NativeQueryImpl.class).setResultTransformer(Transformers.aliasToBean(VO.class));
VO vo = new VO();
try {
// 这里有个坑，如果返回结果为空的话，会报错，要捕获这个异常，再进一步操作
    vo = (VO)nativeQueryImplementor.getSingleResult();
} catch (EntityNotFoundException e) {
    e.printStackTrace();
    return vo ;
}