const db = [ { "label": "诸葛亮", "value": "zhugeliang" }, { "label": "王昭君", "value": "wangzhaojun" }, { "label": "钟馗", "value": "zhongkui" }, { "label": "露娜", "value": "luna" }, { "label": "钟无艳", "value": "zhongwuyan" }, { "label": "花木兰", "value": "huamulan" } ]; module.exports = function(req, res) { const term = req.query.term || ''; res.json({ status: 0, msg: '', data: term ? db.filter(function(item) { return term ? ~item.label.indexOf(term) || ~item.value.indexOf(term) : false; }) : db }); }