From a907f8485c9d8bea82c71be7364c4c511e5e429a Mon Sep 17 00:00:00 2001
From: wzy1024 <395778325@qq.com>
Date: Tue, 04 Apr 2023 11:58:26 +0800
Subject: [PATCH] 导出Excel，@Excel注解使用dictType属性时，如果有大量的字典数据，就会有大量的查询redis(打开、关闭)，导致特别慢。于是使用map存储字典数据，相同的key就不需要再次去查询redis，大大提高了导出效率。
---
ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
index 000166e..7a6fc15 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@@ -59,8 +59,10 @@
</select>
<select id="selectDeptById" parameterType="Long" resultMap="SysDeptResult">
- <include refid="selectDeptVo"/>
- where dept_id = #{deptId}
+ select d.dept_id, d.parent_id, d.ancestors, d.dept_name, d.order_num, d.leader, d.phone, d.email, d.status,
+ (select dept_name from sys_dept where dept_id = d.parent_id) parent_name
+ from sys_dept d
+ where d.dept_id = #{deptId}
</select>
<select id="checkDeptExistUser" parameterType="Long" resultType="int">
--
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