解决Jstree 选中父节点时被禁用的子节点也会选中的问题

<script src="./../../dist/jstree.min.js"></script>
<script>
$.jstree.defaults.checkbox = {
 visible: true,
 three_state: true,
 whole_node: true,
 keep_selected_style: true,
 cascade: '',
 tie_selection: true,
 /**
 * This setting controls if cascading down affects disabled checkboxes
 * @name $.jstree.defaults.checkbox.cascade_to_disabled
 * @plugin checkbox
 */
 cascade_to_disabled : false,
 cascade_to_hidden : true
};
 
 
$('#data').jstree({
 'core' : {
 'data' : [
 { "text" : "Root node", "children" : [
 { "text" : "Child node 1", "state": { "disabled": true } },
 { "text" : "Child node 2" },
 { "text" : "Child node 3" },
 { "text" : "Child node 4" },
 { "text" : "Child node 5" },
 { "text" : "Child node 6" }
 ]}
 ]
 }
 ,"plugins" : [ "checkbox" ]
 });
</script>