修改/api/exam/student/score接口返回examCode的trim规则

stmms-web/src/main/java/cn/com/qmth/stmms/api/controller/CoreController.java

@@ -267,7 +267,7 @@ public class CoreController extends BaseApiController {
         for (ExamStudent student : query.getResult()) {
             JSONObject obj = new JSONObject();
             obj.accumulate("examId", exam.getId());
-            obj.accumulate("examCode", exam.getCode());
+            obj.accumulate("examCode", StringUtils.trimToEmpty(exam.getCode()));
             obj.accumulate("examNumber", student.getExamNumber());
             obj.accumulate("studentCode", student.getStudentCode());
             obj.accumulate("name", student.getName());