From 48ee7c963f29f5614a8f86c08608620cc6310793 Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期一, 26 十月 2026 17:11:33 +0800
Subject: [PATCH] feat: 完善产品编码与技术文件管理

---
 yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java b/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
index 58289e2..c7c203a 100644
--- a/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
+++ b/yudao-module-mdm/src/main/java/cn/iocoder/yudao/module/mdm/dal/mysql/item/MdmItemMapper.java
@@ -15,10 +15,13 @@
 /**
  * MDM 鐗╂枡涓绘暟鎹� Mapper
  *
- * @author 鑺嬮亾婧愮爜
+ * @author 瓒呯骇绠$悊鍛�
  */
 @Mapper
 public interface MdmItemMapper extends BaseMapperX<MdmItemDO> {
+
+    @org.apache.ibatis.annotations.Select("SELECT COALESCE(MAX(CAST(SUBSTRING(code, 5) AS UNSIGNED)), 0) FROM mdm_item WHERE deleted = 0 AND code LIKE CONCAT(#{prefix}, '%')")
+    Integer selectMaxSequenceByPrefix(@Param("prefix") String prefix);
 
     default PageResult<MdmItemDO> selectPage(MdmItemPageReqVO reqVO, Collection<Long> categoryIds) {
         return selectPage(reqVO, new LambdaQueryWrapperX<MdmItemDO>()
@@ -30,7 +33,8 @@
                 .eqIfPresent(MdmItemDO::getBrandId, reqVO.getBrandId())
                 .eqIfPresent(MdmItemDO::getStatus, reqVO.getStatus())
                 .betweenIfPresent(MdmItemDO::getCreateTime, reqVO.getCreateTime())
-                .orderByDesc(MdmItemDO::getId));
+                // 鍒楄〃鎸夌墿鏂欑紪鐮佹帓搴忥紙鍘熸潵鍏堟寜鐗╂枡鍒嗙被鍒嗙粍鍐嶆寜缂栫爜锛屽悓涓�鍒嗙被鐨勭墿鏂欐墠鎺掑湪涓�璧凤紝璺ㄥ垎绫荤湅缂栫爜鏄贡搴忕殑锛�
+                .orderByAsc(MdmItemDO::getCode));
     }
 
     default List<MdmItemDO> selectList(MdmItemPageReqVO reqVO, Collection<Long> categoryIds) {
@@ -91,4 +95,4 @@
      */
     List<Map<String, Object>> selectItemReferenceCount(@Param("itemId") Long itemId);
 
-}
\ No newline at end of file
+}

--
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