## 属性 `$treeLayout array 树布局 默认:无` ## 方法 设置树布局： ```php $treeBuilder->setTreeLayout([ 'class' => ['f13'], 'attribute' => ['data' => 1], 'style' => ['color' => 'text-info'] ]); // $this ``` 获取树布局： ```php $treeBuilder->getTreeLayout(); // array ```