后台菜单节点

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

@@ -12,6 +12,9 @@ import java.util.List;
  * @author muyu
  */
 public interface SysMenuMapper extends BaseMapper<SysMenu> {
+    public List<SysMenu> selectSysMenuList(@Param("longs") List<Long> longs);
+
+    public List<SysMenu> selectSysChdMenuList(@Param("longs") List<Long> longs);
     /**
      * 查询系统菜单列表
      *

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

@@ -39,6 +39,8 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
     @Autowired
     private SysRoleMenuMapper roleMenuMapper;
 
+
+
     /**
      * 根据用户查询系统菜单列表
      *
@@ -68,8 +70,29 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
             menu.getParams().put("userId", userId);
             menuList = menuMapper.selectMenuListByUserId(menu);
         }
+        if (menuList.size ()==1){
+//            如果是查找  menuList 的第一条数据
+            SysMenu sysMenu = menuList.get ( 0 );
+
+            this.getMeentList(menuList,sysMenu);
+            // 获取当前菜单的子菜单列表
+            List< SysMenu > childList = this.getChildList ( menuMapper.selectMenuList ( null ), sysMenu );
+//            // 将子菜单添加到菜单列表中
+            menuList.addAll ( childList );
+        }
         return menuList;
     }
+    private void getMeentList(List< SysMenu> menuList, SysMenu menu) {
+        // 如果当前菜单的父菜单ID不等于0（表示根菜单），则查找并添加其父菜单到菜单列表中，然后递归查找父菜单的祖先菜单
+        if (!menu.getParentId ().equals ( 0L )){
+            // 通过父菜单ID选择父菜单
+            SysMenu sysMenu = this.selectMenuById ( menu.getParentId ( ) );
+            // 将父菜单添加到菜单列表中
+            menuList.add ( sysMenu );
+            // 递归查找父菜单的祖先菜单
+            getMeentList ( menuList,sysMenu );
+        }
+    }
 
     /**
      * 根据用户ID查询权限
@@ -192,6 +215,66 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
         return routers;
     }
 
+    public List<SysMenu> selectSysChdMenuList(List<SysMenu> menuList) {
+        List<Long> longs = menuList.stream()
+                .map(menu -> menu.getMenuId())
+                .toList();
+        List<SysMenu> sysMenus = menuMapper.selectSysChdMenuList(longs);
+        if (sysMenus != null && sysMenus.size() != 0) {
+            List<SysMenu> sysMenus1 = selectSysMenuList(sysMenus);
+            if (sysMenus1 != null) {
+                sysMenus.addAll(sysMenus1);
+            }
+        }else {
+            return null;
+        }
+        return sysMenus;
+    }
+
+    public List<SysMenu> selectSysMenuList(List<SysMenu> menus){
+        List<Long> longs = menus.stream()
+                .map(menu -> menu.getParentId())
+                .filter(parentId -> parentId != 0)
+                .distinct()
+                .toList();
+        if (longs.size() == 0) {
+            return null;
+        }
+        List<SysMenu> sysMenus = menuMapper.selectSysMenuList(longs);
+        List<SysMenu> sysMenus1 = selectSysMenuList(sysMenus);
+        if (sysMenus1 != null) {
+            sysMenus.addAll(sysMenus1);
+        }
+        return sysMenus;
+    }
+
+    /**
+     * 查询系统菜单列表
+     *
+     @ -64,13 +98,31 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
+     // 管理员显示所有菜单信息
+     if (SysUser.isAdmin(userId)) {
+     menuList = menuMapper.selectMenuList(menu);
+
+     List<SysMenu> sysMenus = selectSysMenuList(menuList);
+
+     if (sysMenus != null && sysMenus.size() != 0) {
+     menuList.addAll(sysMenus);
+     }
+
+     List<SysMenu> sysMenus1 = selectSysChdMenuList(menuMapper.selectMenuList(menu));
+     if (sysMenus1 != null && sysMenus1.size() !=0) {
+     menuList.addAll(sysMenus1);
+     }
+     } else {
+     menu.getParams().put("userId", userId);
+     menuList = menuMapper.selectMenuListByUserId(menu);
+     }
+     menuList = menuList.stream()
+     .distinct()
+     .toList();
+     return menuList;
+     }
     /**
      * 构建前端所需要树结构
      *
@@ -457,7 +540,17 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
      * 得到子节点列表
      */
     private List<SysMenu> getChildList (List<SysMenu> list, SysMenu t) {
+        // 初始化用于存放子节点的列表
         List<SysMenu> tlist = new ArrayList<SysMenu>();
+        List< SysMenu > sysMenus = new ArrayList<> ( );
+
+        Iterator< SysMenu > iterator = list.iterator ( );
+        while (iterator.hasNext ()){
+            SysMenu next = iterator.next ( );
+            if (next.getParentId ().longValue ()==t.getMenuId ().longValue ()){
+                tlist.add ( next );
+            }
+        }
         Iterator<SysMenu> it = list.iterator();
         while (it.hasNext()) {
             SysMenu n = (SysMenu) it.next();
@@ -465,6 +558,7 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
                 tlist.add(n);
             }
         }
+        // 返回找到的子节点列表
         return tlist;
     }
 

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

@@ -26,6 +26,28 @@
         <result property="updateBy" column="update_by"/>
         <result property="remark" column="remark"/>
     </resultMap>
+    <select id="selectSysMenuList" resultType="com.muyu.system.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+        <where>
+            menu_id in (
+            <foreach collection="longs" separator="," item="id">
+                #{id}
+            </foreach>
+            )
+        </where>
+        order by parent_id, order_num
+    </select>
+    <select id="selectSysChdMenuList" resultType="com.muyu.system.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+        <where>
+            parent_id in (
+            <foreach collection="longs" separator="," item="id">
+                #{id}
+            </foreach>
+            )
+        </where>
+        order by parent_id, order_num
+    </select>
 
     <sql id="selectMenuVo">
         select menu_id,