fix Sort.by

examcloud-core-oe-student-base/src/main/java/cn/com/qmth/examcloud/core/oe/student/base/jpa/Order.java

@@ -42,7 +42,11 @@ public class Order implements Serializable {
         }
         List<Sort.Order> list = new ArrayList<>();
         for (Order order : orders) {
-            list.add(Sort.by.Order(order.getDirection(), order.getFieldName()));
+            if(order.getDirection().isAscending()){
+                list.add(Sort.Order.asc(order.getFieldName()));
+            }else {
+                list.add(Sort.Order.desc(order.getFieldName()));
+            }
         }
         return Sort.by(list);
     }