From 6441ad9f4dc3c1b2af1b9dad505c62ff75d69c4e Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期四, 08 十月 2026 15:52:17 +0800
Subject: [PATCH] 项目重构

---
 basic-server/src/main/resources/mapper/SealConfigMapper.xml |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/basic-server/src/main/resources/mapper/SealConfigMapper.xml b/basic-server/src/main/resources/mapper/SealConfigMapper.xml
new file mode 100644
index 0000000..cebefa4
--- /dev/null
+++ b/basic-server/src/main/resources/mapper/SealConfigMapper.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.basic.mapper.SealConfigMapper">
+
+    <select id="selectMaxCodeSuffix" resultType="java.lang.Integer">
+        select ifnull(max(cast(substring(code, 4) as unsigned)), 0)
+        from cnas_seal
+        where code like 'YZ-%'
+    </select>
+</mapper>

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