var category = { "index": [ { "id": 1, "title":"组织结构" }, { "id": 2, "title":"实验室新闻" }, { "id": 3, "title":"研究项目" }, { "id": 4, "title":"科研成果" }, { "id": 5, "title":"设备仪器" }, { "id": 6, "title":"实验室活动" } ] };