小编Niv*_*ina的帖子

我的文档没有从集合中删除。我也没有收到任何错误。http 事务完全没问题。

// Node Module dependencies
var express = require('express');
var router = express.Router();

// Local Module dependencies
var common = require('./common.js');
//var request = require('request');


var db =common.conn;
var Question = require('../model/questions');


router.route('/postquestion')
    .post(function (req, res) {

        var item = new Question(req.body);
        //console.log(item);

        //=======calling postdata method=====//
        postQuestion(item, function (result) {

            res.json(result);
        });

    });

router.route('/deletequestion')
    .delete(function (req, res) {
    console.log(req.body._id);

    Question.collection.deleteOne({_id:req.body._id},function(err,question){
        if(err) throw err;
        console.log('the document is deleted')
        res.send(question);

    });

})
function postQuestion(item, fn) {
    item.save(function (err) {
        if (err) …