var DTree = dtree.render({
   elem: "#cskTree1",
    url: "../json/test/test3.json",
    method: "get",
    dataStyle: "layuiStyle",
    dataFormat: "list",
    response: {statusCode: 0, message: "msg"},
    success: function(res) {
        // res = [data, data1]
        var data = res;
        var obj = {
            code: 0,
            msg: "成功",
            data: data
        }
        return obj;
    },
    done: function(res) {
        console.log(res);
    }
});