1 public List<Apply> getAllDynamatic(Apply apply) {
 2 Specification<Apply> queryCondition = new Specification<Apply>() {
 3 @Override
 4 public Predicate toPredicate(Root<Apply> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
 5 List<Predicate> predicateList = new ArrayList<>();
 6 // 根据传递的对象来进行条件的构造
 7 if (apply.getId() != null) {
 8 predicateList.add(criteriaBuilder.equal(root.get("id"), apply.getId()));
 9 }
10 if (apply.getState() != null) {
11 predicateList.add(criteriaBuilder.equal(root.get("state"), apply.getState()));
12 }
13 if (apply.getAwardtype() != null) {
14 predicateList.add(criteriaBuilder.equal(root.get("awardtype"), apply.getAwardtype()));
15 }
16 if (apply.getStudentid() != null) {
17 predicateList.add(criteriaBuilder.equal(root.get("studentid"), apply.getStudentid()));
18 }
19 if (apply.getInfo() != null) {
20 predicateList.add(criteriaBuilder.equal(root.get("info"), apply.getInfo()));
21 }
22 if (apply.getName() != null) {
23 predicateList.add(criteriaBuilder.equal(root.get("name"), apply.getName()));
24 }
25 if (apply.getType() != null) {
26 predicateList.add(criteriaBuilder.equal(root.get("type"), apply.getType()));
27 }
28 if (apply.getTeacherid() != null) {
29 predicateList.add(criteriaBuilder.equal(root.get("teacherid"), apply.getTeacherid()));
30 }
31 if (apply.getTeacherstate() != null) {
32 predicateList.add(criteriaBuilder.equal(root.get("teacherstate"), apply.getTeacherstate()));
33 }
34 if (apply.getProcess() != null) {
35 predicateList.add(criteriaBuilder.equal(root.get("process"), apply.getProcess()));
36 }
37 if (apply.getProcess2() != null) {
38 predicateList.add(criteriaBuilder.equal(root.get("process2"), apply.getProcess2()));
39 }
40 
41 return criteriaBuilder.and(predicateList.toArray(new Predicate[predicateList.size()]));
42 }
43 };
44 return applyRepos.findAll(queryCondition);
45 }