pbootcms后台二级栏目怎么实现全部展开

$(“#sortTable”).treetable
(
{
expandable: true,column: 1,indent:20,stringCollapse:’收缩’,stringExpand:’展开’
}
);

$(“#sortTable”).treetable
(
{
expandable: true,column: 1,indent:20,stringCollapse:’收缩’,stringExpand:’展开’,initialState:”expanded”
}
​​​​​​​);