   error: function (data) {
            }
        });

        function init_jstree(product_code, dim_code){
            $('#using_json').jstree("destroy");
            $('#using_json').jstree({
                "plugins" : [ "types","search"],
                //'plugins' : ["checkbox"], //出现选择框
                //'checkbox': { cascade: "", three_state: true }, //不级联
                'core' : {
                    "check_callback": true,
                    'data' :  function (obj, callback){
 