使用 createConnection 来替代 connect
MovieSchema.js
module.exports={ pic:String, title:String, slogo:String, evaluate:String, labels:Array, rating:String}
db.js
const mongoose = require("mongoose")var mongodb = mongoose.createConnection( 'mongodb://127.0.0.1:27017/movies', { useNewUrlParser: true, useUnifiedTopology:true});var Schema = mongoose.Schemamodule.exports ={ mongodb, Schema}
Top250.js
const {mongodb,Schema} = require("./baseDB/db-movies")const MovieSchema = require("./Schema/MovieSchema")const Top250Schema = new Schema(MovieSchema)const Top250Model = mongodb.model("Top250",Top250Schema,"top250")module.exports = Top250Model