public Map<String, Object> getWeeklyBySearch(final Map<String, String> serArgs,String pageNum, String pageSize) throws Exception {// TODO Auto-generated method stubMap<String,Object> resultMap=new HashMap<String, Object>();// 判断分页条件pageNum = TextUtils.isNotBlank(pageNum) ? pageNum : "1";pageSize = TextUtils.isNotBlank(pageSize) ? pageSize : "10";// 分页时的总页数、每页条数、排序方式、排序字段Pageable StuPageable = PageUtils.buildPageRequest(Integer.valueOf(pageNum),Integer.valueOf(pageSize), new Sort(Direction.DESC, new String[] { "xmzbsj","lstProinfo.proId"}));// 按照条件进行分页查询，根据StuPageable的分页方式　　　　 Page<Weekly> StuPage = proWeeklyDao.findAll(new Specification<Weekly>() {public Predicate toPredicate(Root<Weekly> root, CriteriaQuery<?> query, CriteriaBuilder cb) {List<Predicate> lstPredicates = new ArrayList<Predicate>();if (TextUtils.isNotBlank(serArgs.get("xmmc"))) {lstPredicates.add(cb.like(root.get("lstProinfo").get("xmmc").as(String.class),  "%" + serArgs.get("xmmc") + "%"));}if (TextUtils.isNotBlank(serArgs.get("xmzbqssj"))) {lstPredicates.add(cb.greaterThanOrEqualTo(root.get("xmzbsj").as(String.class),serArgs.get("xmzbqssj")));}if (TextUtils.isNotBlank(serArgs.get("xmzbjzsj"))) {lstPredicates.add(cb.lessThanOrEqualTo(root.get("xmzbsj").as(String.class),serArgs.get("xmzbjzsj")));}Predicate[] arrayPredicates = new Predicate[lstPredicates.size()];return cb.and(lstPredicates.toArray(arrayPredicates));}}, StuPageable);　　　　　// 按照条件进行分页查询resultMap = PageUtils.getPageMap(StuPage);return resultMap;}

import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;

     * @param pageNum 当前页* @param pageSize 每页条数* @param sortType 排序字段* @param direction 排序方向*/public static PageRequest buildPageRequest(int pageNum, int pageSize, String sortType, String direction) {Sort sort = null;if (!TextUtils.isNotBlank(sortType)) {return new PageRequest(pageNum - 1, pageSize);} else if (TextUtils.isNotBlank(direction)) {if (Direction.ASC.equals(direction)) {sort = new Sort(Direction.ASC, sortType);} else {sort = new Sort(Direction.DESC, sortType);}return new PageRequest(pageNum - 1, pageSize, sort);} else {sort = new Sort(Direction.ASC, sortType);return new PageRequest(pageNum - 1, pageSize, sort);}}

　　public static PageRequest buildPageRequest(int pageNum, int pageSize, String sortType) {
　　　　return buildPageRequest(pageNum, pageSize, sortType, null);
　　}

    /*** 封装分页数据到Map中。*/public static Map<String, Object> getPageMap(Page<?> objPage) {Map<String, Object> resultMap = new HashMap<String, Object>();resultMap.put(Constants.PAGE_RESULT_LIST, objPage.getContent()); // 数据集合，符合查询条件的所有记录数据resultMap.put(Constants.PAGE_TOTAL_NUM, objPage.getTotalElements()); // 总记录数resultMap.put(Constants.PAGE_TOTAL_PAGE, objPage.getTotalPages()); // 总页数resultMap.put(Constants.PAGE_NUM, objPage.getNumber()); // 当前页码resultMap.put(Constants.PAGE_SIZE, objPage.getSize()); // 每页显示数量return resultMap;}