fix:【FCJDFDXTXS-188】修改导出报名记录排序+导出报名记录aid查询

servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseApi.java

@@ -230,8 +230,6 @@ public class StudyCourseApi extends ApiBaseController{
                     userInfoMap.put(user.getAid(), user);
                 }
             }
-            // 按报名时间倒序排序
-            signRecordList.sort(Comparator.comparing(StudySignup::getSignTime).reversed());
             // 4. 原始数据→导出DTO（格式化处理：状态转中文、日期转字符串等）
             List<CourseSignDto> exportDtoList = new ArrayList<>();
             if (signRecordList != null) {

servers/boe-server-all/src/main/java/com/xboe/school/study/dto/CourseSignDto.java

@@ -22,6 +22,12 @@ public class CourseSignDto {
      */
     private String name;
 
+    /**
+     * 25.12.18新增 通过aid模糊查询
+     */
+    private String aid;
+
+
     /**
      * 报名状态（1.自主报名 2.手动加入）
      */

servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/CourseSignServiceImpl.java

@@ -1,6 +1,7 @@
 package com.xboe.school.study.service.impl;
 
 import com.alibaba.cloud.commons.lang.StringUtils;
+import com.xboe.common.OrderDirection;
 import com.xboe.core.orm.FieldFilters;
 import com.xboe.core.orm.QueryBuilder;
 import com.xboe.school.study.dao.CourseSignDao;
@@ -41,7 +42,14 @@ public class CourseSignServiceImpl implements ICourseSignService {
             if (queryDto.getSignType() != null) {
                 query.addFilter(FieldFilters.eq("signType", queryDto.getSignType()));
             }
+            //4. aid查询
+            if (queryDto.getAid() != null) {
+                String aidstr = queryDto.getAid();
+                query.addFilter(FieldFilters.in("aid", aidstr.split( ",")));
+            }
+
         }
+        query.addOrder("id", OrderDirection.DESC);
         return coursesignDao.findList(query.builder());
     }
 }