功能3修改

muyu-modules/muyu-system/src/main/java/com/muyu/system/mapper/SysMenuMapper.java

@@ -135,4 +135,6 @@ public interface SysMenuMapper extends BaseMapper<SysMenu> {
      * @return 结果
      */
     public SysMenu checkMenuNameUnique (@Param("menuName") String menuName, @Param("parentId") Long parentId);
+
+    List<SysMenu> selectMenuByParentId (@Param("parentId") Long parentId);
 }

muyu-modules/muyu-system/src/main/java/com/muyu/system/service/impl/SysMenuServiceImpl.java

@@ -60,6 +60,8 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
      */
     @Override
     public List<SysMenu> selectMenuList (SysMenu menu, Long userId) {
+        //获取菜单列表的长度
+        Integer size = menuMapper.selectMenuList(new SysMenu()).size();
         List<SysMenu> menuList = null;
         // 管理员显示所有菜单信息
         if (SysUser.isAdmin(userId)) {
@@ -68,9 +70,67 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
             menu.getParams().put("userId", userId);
             menuList = menuMapper.selectMenuListByUserId(menu);
         }
+        //显示菜单长度和总菜单长度对比
+        if (menuList.size()!= size){
+            //菜单权限表
+            List<SysMenu> sysMenuList = new ArrayList<>();
+            //菜单对别
+            menuList.forEach(res -> {
+                //查子集
+                sysMenuList.addAll(sanMenu(res));
+                //查父级
+                if (res.getParentId() != 0) {
+                    sysMenuList.addAll(friendMenu(res));
+                }
+            });
+            menuList.addAll(sysMenuList);
+            menuList = menuList.stream().distinct().toList();
+        }
+
         return menuList;
     }
 
+    /**
+     * 存入子集
+     * @param menu
+     * @return
+     */
+    public List<SysMenu> sanMenu(SysMenu menu){
+        //定义一个空的SysMenu数组
+        List<SysMenu> sysMenus = new ArrayList<>();
+        //获取子级队列
+        List<SysMenu> sysMenuList = menuMapper.selectMenuByParentId(menu.getMenuId());
+        sysMenus.addAll(sysMenus);
+        //长度不为0
+        if (sysMenuList.size()>0){
+            //存入子集列
+            for (SysMenu sysMenu : sysMenuList) {
+                sanMenu(sysMenu);
+            }
+        }
+        return sysMenus;
+    }
+
+    /**
+     * 存入父级
+     * @param sysMenu
+     * @return
+     */
+    public List<SysMenu> friendMenu(SysMenu sysMenu){
+        //创建一个空SysMenu队列
+        List<SysMenu> sysMenus = new ArrayList<>();
+        //查询父级菜单
+        SysMenu sysMenu1 = menuMapper.selectMenuById(sysMenu.getParentId());
+        //吸收父级菜单
+        sysMenus.add(sysMenu1);
+        //确认父级菜单非空
+        if (sysMenu1.getParentId() != 0) {
+            //存入父级
+            sysMenus.addAll(friendMenu(sysMenu1));
+        }
+        return sysMenus;
+    }
+
     /**
      * 根据用户ID查询权限
      *

muyu-modules/muyu-system/src/main/resources/mapper/system/SysMenuMapper.xml

@@ -185,6 +185,10 @@
         <include refid="selectMenuVo"/>
         where menu_name=#{menuName} and parent_id = #{parentId} limit 1
     </select>
+    <select id="selectMenuByParentId" resultType="com.muyu.system.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+        where parent_id = #{parentId}
+    </select>
 
     <update id="updateMenu" parameterType="com.muyu.system.domain.SysMenu">
         update sys_menu