// 信息价类型 const mongoose = require('mongoose'); const Schema = mongoose.Schema; const priceInfoClass = new Schema({ ID: String, code: String,//编码前4位 period: String, // 期数 eg: 2020-05 areaID: String, compilationID: String, // 费用定额 index: Number//指数,保留两位小数 }, {versionKey: false}); priceInfoClass.index({ areaID:1}); priceInfoClass.index({ period:1}); mongoose.model('std_price_info_index', priceInfoClass, 'std_price_info_index');