我如何使用 JpaSort 在 Spring Data 中返回空格到最后?
我目前使用这种结构来分类:
new JpaSort( JpaSort.path( Datasheet_.componentSubtype )
.dot( ComponentSubtype_.componentType )
.dot( ComponentType_.name ) )
.and( new JpaSort( JpaSort.path( Datasheet_.componentSubtype )
.dot( ComponentSubtype_.name ) ) )
我看到在回答 中说,Hibernate critaria API确实允许这样做,但希望使用JPA。
简短的回答是:您不能,因为 JPA( 读取: 标准 API 或 JPQL ) 无法定义定义 < code> null 的排序顺序 。
您也许应该研究使用
如果您以这种方式使用春季 MVC 控制器中的 Spring Data 可用
@RequestMapping(method = RequestMethod.GET)
public Page<Address> list(Pageable pageable) {...}
您正在使用 MySQL, 这些 URL 参数可能会帮助您
?page=0&size=100&sort=isnull(streetLine2)&sort=streetLine2,desc
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