JPA批量查询，批量修改

 

//service.java{ }
@Override
    public void batchUpdate(BatchVerifyReq req){
        List<Enroll> olds = enrollRepository.findAllById(req.ids);//批量查询 for (Enroll old: olds) {
            old.setVerify_state(req.verify_state);
        }
        enrollRepository.saveAll(olds);//批量修改
    }