菜单树

List<Tree<CgSysMenu>> trees = new ArrayList<Tree<CgSysMenu>>();
    List<CgSysMenu> menuDOs = baseMapper.listMenuByUserId(userId);
/*    QueryWrapper<CgSysMenu> queryWrapper = new QueryWrapper();
    queryWrapper.*/
    for (CgSysMenu sysMenuDO : menuDOs) {
        Tree<CgSysMenu> tree = new Tree<CgSysMenu>();
        tree.setId(sysMenuDO.getId().toString());
        tree.setParentId(sysMenuDO.getParentId().toString());
        tree.setText(sysMenuDO.getName());
        Map<String, Object> attributes = new HashMap<>(16);
        attributes.put("url", sysMenuDO.getUrl());
        attributes.put("icon", sysMenuDO.getIcon());
        tree.setAttributes(attributes);
        trees.add(tree);
    }
    // 默认顶级菜单为０，根据数据库实际情况调整
    List<Tree<CgSysMenu>> list = BuildTree.buildList(trees, "0");
    return list;