feat:修改查询随机题库sql

ruoyi-admin/src/main/java/com/ruoyi/web/controller/manager/PaperManager.java

@@ -290,7 +290,7 @@ public class PaperManager {
             //回答列表
             QueryWrapper<ElQuAnswer> wrapper = new QueryWrapper<>();
             wrapper.lambda().eq(ElQuAnswer::getQuId, item.getQuId());
-            wrapper.last(" ORDER BY RAND() ");
+            wrapper.last(" ORDER BY RANDOM() ");
             List<ElQuAnswer> answerList = quAnswerService.list(wrapper);
             if (CollUtil.isNotEmpty(answerList)) {
                 int ii = 0;

ruoyi-system/src/main/resources/mapper/system/ElQuMapper.xml

@@ -51,7 +51,7 @@
             AND a.id NOT IN
             <foreach item="item" collection="excludes" separator="," open="(" close=")" index="">'${item}'</foreach>
         </if>
-        ORDER BY RAND()
+        ORDER BY RANDOM()
         LIMIT ${size}
     </select>