layui中异步加载dtree组件的默认选中第一个节点
//结构树节点div
<div id="dd">
<div class="span">部门结构</div>
<ul class="dtree" data-id="0" data-value="1" id="deptTree"></ul>
</div>
动态加载树形数据
layui.config({
base: '/pugins/',
}).extend({
dtree: 'dtree/dtree'
}).use