2017-07-31 11:33:31 +05:30

28 lines
579 B
JavaScript

'use strict'
const MongoClient = require('mongodb').MongoClient
const express = require('express')
const app = express()
var url = 'mongodb://localhost:27017/test';
MongoClient.connect(url, function(err, db) {
if (err) { throw err }
const collection = db.collection('data')
app.get('/hello', (req, res) => {
var count = 0
var result = 0
collection.find({})
.on('data', function (chunk) {
count++
result += chunk.value
})
.on('end', function () {
res.send('' + (result / count))
})
})
app.listen(3000)
})