springboot Specification的lambda表达式

Posted 2020-11-24 notchangeworld

public Page<User> findByConditions(UserCriteria, Pageable page) {
     Page<Item> page = itemRepository.findAll((root, criteriaQuery, criteriaBuilder) -> {
            
　　　　　　　List<Predicate> predicatesList = new ArrayList<>();
            if (name != null) {
                predicatesList.add(
                        criteriaBuilder.and(
                                criteriaBuilder.like(
                                        root.get("lisi"), "%" +UserCriteria.getName()+ "%"))); }
 　　　　return criteriaBuilder.and( predicatesList.toArray(new Predicate[predicatesList.size()]));
 　　}, page); 

　　return page; 
}