hutool 构建buildtree

   List<SysRouter> sysRouters = queryAll();

        TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
        // 自定义属性名 都有默认值的哈
        // 默认支持排序
        treeNodeConfig.setWeightKey("orderNum");
        treeNodeConfig.setChildrenKey("children");

        //可配置树深度
        treeNodeConfig.setDeep(2);
        treeNodeConfig.setIdKey("id");

        //转换器
        List<Tree<String>> build = TreeUtil.build(sysRouters, "0", treeNodeConfig,
                (treeNode, tree) -> {

                    tree.setId(treeNode.getId().toString());
                    tree.setParentId(treeNode.getParentId().toString());
                    tree.setWeight(treeNode.getOrderNum());
                    tree.setName(treeNode.getName());

                    // 扩展属性
                    tree.putExtra("path", treeNode.getPath());
                    tree.putExtra("hasClassify", treeNode.getHasClassify());

                });

        return build;