西南交大的云阅卷接口，返参中新增“是否缺考”字段

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

@@ -336,10 +336,12 @@ public class ExamStudentController {
                 } else {
                     absentSetObj(detail, obj);
                 }
+                obj.accumulate("absent",student.isAbsent());
             } else {
                 obj.accumulate("exist", false);
                 obj.accumulate("examId", "");
                 obj.accumulate("upload", false);
+                obj.accumulate("absent",true);
                 absentSetObj(detail, obj);
             }
             if (StringUtils.isNotBlank(examSeqCode)) {