/**

     * 条件查询+分页

     * @param whereMap

     * @param page

     * @param size

     * @return

     */

    public Page<CaseManage> findSearch(Map whereMap, int page, int size,Integer createId) {

        Sort sort = new Sort(Sort.Direction.DESC,"id");

        Specification<CaseManage> specification = createSpecification(whereMap,createId);

        PageRequest pageRequest = new PageRequest(page,size,sort);

        return caseDao.findAll(specification, pageRequest);

    }

    /**

     * 条件查询

     * @param whereMap

     * @return

     */

    public List<CaseManage> findSearch(Map whereMap,Integer createId) {

        Specification<CaseManage> specification = createSpecification(whereMap, createId);

        return caseDao.findAll(specification);

    }

    /**

     * 动态条件构建

     * @param searchMap

     * @return

     */

    private Specification<CaseManage> createSpecification(Map searchMap,Integer createId) {

        return new Specification<CaseManage>() {

            @Override

            public Predicate toPredicate(Root<CaseManage> root, CriteriaQuery<?> query, CriteriaBuilder cb) {

                List<Predicate> predicateList = new ArrayList<Predicate>();

                // 案件名称

                if (searchMap.get("case_name")!=null && !"".equals(searchMap.get("case_name"))) {

                    predicateList.add(cb.like(root.get("case_name").as(String.class), "%"+(String)searchMap.get("case_name")+"%"));

                }

                // 案件编号uuid类型

                if (searchMap.get("case_uuid")!=null && !"".equals(searchMap.get("case_uuid"))) {

                    predicateList.add(cb.equal(root.get("case_uuid").as(String.class), (String)searchMap.get("case_uuid")));

                }

                return cb.and( predicateList.toArray(new Predicate[predicateList.size()]));

            }

        };

    }

where （state=1 or state=2）and name='zhangsan'

List<Predicate> predicateList = new ArrayList<Predicate>();

Predicate or = cb.or(cb.and(cb.equal(root.get("case_authority").as(String.class), "0")), cb.and(cb.equal(root.get("create_id").as(String.class), String.valueOf(createId))));

predicateList.add(or);