public static PageInfo<Long> cutPage(SegmentVo vo, List<Long> segmentIds) {PageInfo<Long> result = new PageInfo<>();// 总条数int total = segmentIds.size();int currentPage = vo.getPageNo();int pageSize = vo.getPageSize();List<Long> pageList = new ArrayList<>();if ( total > pageSize){int toIndex =  pageSize * currentPage;if (toIndex > total){toIndex = total;}if (total < pageSize * (currentPage - 1)) {pageList = new ArrayList<>();} else {pageList = segmentIds.subList(pageSize * (currentPage - 1), toIndex);}} else {pageList.addAll(segmentIds);}result.setRecords(pageList);result.setTotal((total / pageSize)+(total % pageSize !=0? 1 : 0));return result;}

@Data
public class PageInfo<T> implements Serializable {private List<T> records;private Integer total;}