vue-cli+express获取mongodb数据的方法介绍

cnpm install mongodb express --save-dev

//配置express服务器

let express = require("express");

let apiServer = express();

let bodyParser = require("body-parser");

apiServer.use(bodyParser.urlencoded({extended: true}));

apiServer.use(bodyParser.json());

let apiRouter = express.Router(); //配置路由

apiServer.use("/api", apiRouter);

let MongoClient = require('mongodb').MongoClient;

let DB_CONN_STR = 'mongodb://localhost:27017/test';

let dataS = {};

let movie = () => {

  let selectData = function (db, callback) {

    //连接数据库

    let dbS = db.db("test");

    //连接到表

    let collection = dbS.collection('dytt');

    collection.find({}).toArray(function (err, result) {

      if (err) {

        console.log('Error:' + err);

        return;

      }

      callback(result);

    });

  };

  MongoClient.connect(DB_CONN_STR, function (err, db) {

    console.log("连接成功！");

    selectData(db, function (result) {

      db.close();

      console.log(result[0]);

      dataS = result[0];

    });

  });

  return dataS;

};

before(app){

    app.get("/api/giveData", (req, res) => {

      res.json({

        errno: 0,

        data: movie().data

      })

    });

  }