From a4fe077a231ed2ae0094af0fc6fa0735b764c862 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期五, 28 六月 2024 12:49:58 +0800
Subject: [PATCH] update 优化 大数据量下join卡顿问题 使用子查询提高性能

---
 ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml                    |   33 +++++++++------------------------
 ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml                    |    4 +---
 ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysMenuMapper.java            |    7 -------
 ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java |    2 +-
 ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java |    4 ++--
 5 files changed, 13 insertions(+), 37 deletions(-)

diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysMenuMapper.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysMenuMapper.java
index b2be0e9..ac646c0 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysMenuMapper.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysMenuMapper.java
@@ -19,13 +19,6 @@
 public interface SysMenuMapper extends BaseMapperPlus<SysMenu, SysMenuVo> {
 
     /**
-     * 鏍规嵁鐢ㄦ埛鎵�鏈夋潈闄�
-     *
-     * @return 鏉冮檺鍒楄〃
-     */
-    List<String> selectMenuPerms();
-
-    /**
      * 鏍规嵁鐢ㄦ埛鏌ヨ绯荤粺鑿滃崟鍒楄〃
      *
      * @param queryWrapper 鏌ヨ鏉′欢
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
index 6e1765b..dd56ef6 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysMenuServiceImpl.java
@@ -75,7 +75,7 @@
                 .orderByAsc(SysMenu::getOrderNum));
         } else {
             QueryWrapper<SysMenu> wrapper = Wrappers.query();
-            wrapper.eq("sur.user_id", userId)
+            wrapper.inSql("r.role_id", "select role_id from sys_user_role where user_id = " + userId)
                 .like(StringUtils.isNotBlank(menu.getMenuName()), "m.menu_name", menu.getMenuName())
                 .eq(StringUtils.isNotBlank(menu.getVisible()), "m.visible", menu.getVisible())
                 .eq(StringUtils.isNotBlank(menu.getStatus()), "m.status", menu.getStatus())
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
index 6c89082..01fb564 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysRoleServiceImpl.java
@@ -103,7 +103,7 @@
      */
     @Override
     public List<SysRoleVo> selectRolesAuthByUserId(Long userId) {
-        List<SysRoleVo> userRoles = baseMapper.selectRolePermissionByUserId(userId);
+        List<SysRoleVo> userRoles = baseMapper.selectRolesByUserId(userId);
         List<SysRoleVo> roles = selectRoleAll();
         // 浣跨敤HashSet鎻愰珮鏌ユ壘鏁堢巼
         Set<Long> userRoleIds = userRoles.stream().map(SysRoleVo::getRoleId).collect(Collectors.toSet());
@@ -123,7 +123,7 @@
      */
     @Override
     public Set<String> selectRolePermissionByUserId(Long userId) {
-        List<SysRoleVo> perms = baseMapper.selectRolePermissionByUserId(userId);
+        List<SysRoleVo> perms = baseMapper.selectRolesByUserId(userId);
         Set<String> permsSet = new HashSet<>();
         for (SysRoleVo perm : perms) {
             if (ObjectUtil.isNotNull(perm)) {
diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
index fad1812..a9d4886 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
@@ -11,9 +11,8 @@
         select distinct m.menu_id, m.parent_id, m.menu_name, m.path, m.component, m.query_param, m.visible, m.status,
         m.perms, m.is_frame, m.is_cache, m.menu_type, m.icon, m.order_num, m.create_time
         from sys_menu m
-        left join sys_role_menu rm on m.menu_id = rm.menu_id
-        left join sys_user_role sur on rm.role_id = sur.role_id
-        left join sys_role ro on sur.role_id = ro.role_id
+            left join sys_role_menu rm on m.menu_id = rm.menu_id
+            left join sys_role r on sur.role_id = r.role_id
         ${ew.getCustomSqlSegment}
     </select>
 
@@ -34,14 +33,10 @@
                         m.order_num,
                         m.create_time
         from sys_menu m
-                 left join sys_role_menu rm on m.menu_id = rm.menu_id
-                 left join sys_user_role sur on rm.role_id = sur.role_id
-                 left join sys_role ro on sur.role_id = ro.role_id
-                 left join sys_user u on sur.user_id = u.user_id
-        where u.user_id = #{userId}
-          and m.menu_type in ('M', 'C')
-          and m.status = '0'
-          and ro.status = '0'
+                 left join sys_role_menu rm on m.menu_id = rm.menu_id and m.status = '0'
+                 left join sys_role r on rm.role_id = r.role_id and r.status = '0'
+        where m.menu_type in ('M', 'C')
+          and r.role_id in (select role_id from sys_user_role where user_id = #{userId})
         order by m.parent_id, m.order_num
     </select>
 
@@ -57,22 +52,12 @@
         order by m.parent_id, m.order_num
     </select>
 
-    <select id="selectMenuPerms" resultType="String">
-        select distinct m.perms
-        from sys_menu m
-                 left join sys_role_menu rm on m.menu_id = rm.menu_id
-                 left join sys_user_role sur on rm.role_id = sur.role_id
-    </select>
-
     <select id="selectMenuPermsByUserId" parameterType="Long" resultType="String">
         select distinct m.perms
         from sys_menu m
-                 left join sys_role_menu rm on m.menu_id = rm.menu_id
-                 left join sys_user_role sur on rm.role_id = sur.role_id
-                 left join sys_role r on r.role_id = sur.role_id
-        where m.status = '0'
-          and r.status = '0'
-          and sur.user_id = #{userId}
+                 left join sys_role_menu rm on m.menu_id = rm.menu_id and m.status = '0'
+                 left join sys_role r on r.role_id = rm.role_id and r.status = '0'
+        where r.role_id in (select role_id from sys_user_role where user_id = #{userId})
     </select>
 
     <select id="selectMenuPermsByRoleId" parameterType="Long" resultType="String">
diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
index 7b8bba7..4ef7b1e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
@@ -48,9 +48,7 @@
                r.data_scope,
                r.status
         from sys_role r
-                 left join sys_user_role sur on sur.role_id = r.role_id
-                 left join sys_user u on u.user_id = sur.user_id
-        WHERE r.del_flag = '0' and sur.user_id = #{userId}
+        WHERE r.del_flag = '0' and r.role_id in (select role_id from sys_user_role where user_id = #{userId})
     </select>
 
     <select id="selectRoleById" resultMap="SysRoleResult">

--
Gitblit v1.9.3