javascript更新tree节点的数据

var roots = [{
    "children": [{
            "children": [{
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe78004c",
                    "size": 0,
                    "state": "open",
                    "text": "标识厂区平面图、生产工艺流程和生产过程等方框示意图"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe68004b",
                    "size": 0,
                    "state": "open",
                    "text": "企业概况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe680049",
                    "size": 0,
                    "state": "open",
                    "text": "企业环保投资"
                }
            ],
            "id": "4028806b6e7c25dd016e7cacbddb0035",
            "size": 3,
            "state": "open",
            "text": "企业基本情况表支撑材料"
        },
        {
            "children": [{
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe68004a",
                    "size": 0,
                    "state": "open",
                    "text": "执行环境影响评价资料"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe580047",
                    "size": 0,
                    "state": "open",
                    "text": "执行环保“三同时”制度资料"
                }
            ],
            "id": "4028806b6e7c25dd016e7cacbddb0036",
            "size": 1,
            "state": "open",
            "text": "企业执行“环评”、“三同时”情况表支撑材料"
        },
        {
            "children": [{
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe580048",
                    "size": 0,
                    "state": "open",
                    "text": "企业环保设施（装置）设计、建设资料"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe490045",
                    "size": 0,
                    "state": "open",
                    "text": "一般工业固体废物排放量及综合利用"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe490046",
                    "size": 0,
                    "state": "open",
                    "text": "工业危险废物产生及利用处置情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe390042",
                    "size": 0,
                    "state": "open",
                    "text": "企业清洁生产审核情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe390043",
                    "size": 0,
                    "state": "open",
                    "text": "企业内部监测情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe390044",
                    "size": 0,
                    "state": "open",
                    "text": "排污口规范化建设情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe290040",
                    "size": 0,
                    "state": "open",
                    "text": "企业总量控制情况"
                }
            ],
            "id": "4028806b6e7c25dd016e7cacbdcc0033",
            "size": 0,
            "state": "open",
            "text": "企业污染防治及总量控制情况表支撑材料"
        },
        {
            "children": [{
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe290041",
                    "size": 0,
                    "state": "open",
                    "text": "排污许可证管理"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe1a003f",
                    "size": 0,
                    "state": "open",
                    "text": "环境保护部门对企业的监察、监测"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe0a003d",
                    "size": 0,
                    "state": "open",
                    "text": "污染物排放申报、排污费征收"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe0a003e",
                    "size": 0,
                    "state": "open",
                    "text": "企业限期治理情况（限期治理企业）"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbdfb003b",
                    "size": 0,
                    "state": "open",
                    "text": "信访投诉、环保行政处罚"
                }
            ],
            "id": "4028806b6e7c25dd016e7cacbdcc0034",
            "size": 0,
            "state": "open",
            "text": "环保部门对企业监督管理情况表支撑材料"
        },
        {
            "children": [{
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbdfb003a",
                    "size": 0,
                    "state": "open",
                    "text": "不符合国家有关政策要求的生产工艺、生产设施，实施淘汰、技改和关停计划明细及落实情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbe0a003c",
                    "size": 0,
                    "state": "open",
                    "text": "企业环境管理机构、人员编制、培训和管理制度"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbdeb0038",
                    "size": 0,
                    "state": "open",
                    "text": "企业防范环境突发事故措施和环境突发事故应急预案"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbdeb0039",
                    "size": 0,
                    "state": "open",
                    "text": "环境保护设施运行情况"
                },
                {
                    "children": [],
                    "id": "4028806b6e7c25dd016e7cacbdeb0037",
                    "size": 0,
                    "state": "open",
                    "text": "企业环境信息公开"
                }
            ],
            "id": "4028806b6e7c25dd016e7cacbdbc0032",
            "size": 1,
            "state": "open",
            "text": "企业环境管理情况表支撑材料",
            "remind": 1
        }
    ],
    "id": "4028806b6e7c25dd016e7cacbdbc0031",
    "size": 0,
    "state": "open",
    "text": "一企一档"
}];

function setNode(nodes, parentNode) {
    if (nodes.length > 0) {

        for (var i = 0; i < nodes.length; i++) {

            if (!parentNode) {
                nodes[i].level = 0;
            } else {
                nodes[i].level = parentNode.level + 1;
            }
            // 模拟添加其他属性和数据
            nodes[i].count = 1000;
            nodes[i].current = 500;

            if (nodes[i].children && nodes[i].children.length > 0) {
                setNode(nodes[i].children, nodes[i]);
            }

        }

    }

}

setNode(roots, null);

console.log(JSON.stringify(roots, null, 4))