jquery – JsTree – 单击父节点展开

.jstree({...}).delegate(".jstree-open>a","click.jstree",function(event){
    $.jstree._reference(this).close_node(this,false,false);
}).delegate(".jstree-closed>a",function(event){
    $.jstree._reference(this).open_node(this,false);
});