Hibernate 要使用API，使用spring数据查询SQL如何？你想过吗？事实上，试着使用SPeL：我在这里发布了我所知道的所有spring数据方式（也包括你的问题）， @Query("select c from Calendar c where :calendarDa

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要使用API，使用spring数据查询SQL如何？你想过吗？事实上，试着使用SPeL：我在这里发布了我所知道的所有spring数据方式（也包括你的问题），

@Query("select c from Calendar c where :calendarDay=:value")
List<Calendar> getPersonName(@Param("calendarDay") String calendarDay, @Param("value") String value);

@Repository
public interface CalendarRepository extends JpaRepository<Calendar, Integer>, JpaSpecificationExecutor<Calendar> {
}


public class CalendarSpecification implements Specification<Calendar> {

    private String randomColumnName; // A varchar column.
    private String valueToSearchFor;

    public CalendarSpecification(String randomColumnName, String valueToSearchFor) {
        this.randomColumnName = randomColumnName;
        this.valueToSearchFor = valueToSearchFor;
    }

    @Override
    public Predicate toPredicate(Root<Calendar> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
        return builder.and(builder.equal(root.<String>get(this.randomColumnName), this.valueToSearchFor));
    }
}


@Service
public class CalendarService {

    @Autowired
    private CalendarRepository calendarRepository;

    public List<Calendar> findCustom(String randomColumnName, String valueToSearchFor) {
        CalendarSpecification cs = new CalendarSpecification(randomColumnName, valueToSearchFor);
        return calendarRepository.find(cs);
        // Or using lambda expression - without the need of CalendarSpecification class.
//      return calendarRepository.find((Root<ProductCategory> root, CriteriaQuery<?> query, CriteriaBuilder builder) -> {
//          return builder.and(builder.equal(root.<String>get(randomColumnName), valueToSearchFor));
//      });
    }
}

@Query(value = "select c from Calendar c where c.:calendarDay=:value", nativeQuery = true)
List<Calendar> getPersonName(@Param("calendarDay") String calendarDay, @Param("value") String value);