..

examcloud-core-examwork-api-provider/src/main/java/cn/com/qmth/examcloud/core/examwork/api/provider/ExamCloudServiceProvider.java

@@ -577,7 +577,46 @@ public class ExamCloudServiceProvider extends ControllerSupport implements ExamC
 	@PostMapping("getExamOrgList")
 	@Override
 	public GetExamOrgListResp getExamOrgList(@RequestBody GetExamOrgListReq req) {
-		return null;
+		final long start = null == req.getStart() ? 1 : req.getStart();
+
+		Pageable pageable = new PageRequest(0, 200, Sort.Direction.ASC, "orgId");
+
+		Specification<ExamStudentEntity> specification = (root, query, cb) -> {
+			List<Predicate> predicates = new ArrayList<>();
+
+			if (null != req.getExamId()) {
+				predicates.add(cb.equal(root.get("examId"), req.getExamId()));
+			}
+
+			predicates.add(cb.greaterThanOrEqualTo(root.get("orgId"), start));
+
+			return cb.and(predicates.toArray(new Predicate[predicates.size()]));
+		};
+
+		Page<ExamStudentEntity> page = examStudentRepo.findAll(specification, pageable);
+
+		Iterator<ExamStudentEntity> iterator = page.iterator();
+
+		List<Long> orgIdList = Lists.newArrayList();
+
+		long next = start;
+		while (iterator.hasNext()) {
+			ExamStudentEntity e = iterator.next();
+
+			next = e.getOrgId();
+			if (!orgIdList.contains(next)) {
+				orgIdList.add(next);
+			}
+		}
+
+		GetExamOrgListResp resp = new GetExamOrgListResp();
+		if (next != start) {
+			next++;
+		}
+		resp.setNext(next);
+		resp.setOrgIdList(orgIdList);
+
+		return resp;
 	}
 
 }