Node.js Mongoose.save()无法在没有回调的情况下工作
当我执行API POST时 控件被映射到post路由并到达.save(),之后它不会返回“err”回调 我尝试了两个数据库的全球猫鼬连接,但没有任何帮助 server.jsNode.js Mongoose.save()无法在没有回调的情况下工作,node.js,mongodb,mongoose,mean-stack,Node.js,Mongodb,Mongoose,Mean Stack,当我执行API POST时 控件被映射到post路由并到达.save(),之后它不会返回“err”回调 我尝试了两个数据库的全球猫鼬连接,但没有任何帮助 server.js // BASE SETUP // ============================================================================= // call the packages we need var express = require('express'); v
// BASE SETUP
// =============================================================================
// call the packages we need
var express = require('express');
var bodyParser = require('body-parser');
var app = express();
var morgan = require('morgan');
// configure app
app.use(morgan('dev')); // log requests to the console
// configure body parser
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
var port = process.env.PORT || 8080; // set our port
var mongoose = require('mongoose');
//mongoose.connect('mongodb://node:node@novus.modulusmongo.net:27017/Iganiq8o'); // connect to our database
mongoose.connect('mongodb://zohaibusr:asd123@ds039115.mongolab.com:39115/zohaibdb'); // connect to our database
var Bear = require('./app/models/bear');
// ROUTES FOR OUR API
// =============================================================================
// create our router
var router = express.Router();
// middleware to use for all requests
router.use(function(req, res, next) {
// do logging
console.log('Something is happening.');
next();
});
// test route to make sure everything is working (accessed at GET http://localhost:8080/api)
router.get('/', function(req, res) {
res.json({ message: 'hooray! welcome to our api!' });
});
// on routes that end in /bears
// ----------------------------------------------------
router.route('/bears')
// create a bear (accessed at POST http://localhost:8080/api/bears)
.post(function(req, res) {
var bear = new Bear(); // create a new instance of the Bear model
bear.name = req.body.name; // set the bears name (comes from the request)
bear.save(function(err) {
if (err)
res.send(err);
res.json({ message: 'Bear created!' });
});
})
// get all the bears (accessed at GET http://localhost:8080/api/bears)
.get(function(req, res) {
Bear.find(function(err, bears) {
if (err)
res.send(err);
res.json(bears);
});
});
// on routes that end in /bears/:bear_id
// ----------------------------------------------------
router.route('/bears/:bear_id')
// get the bear with that id
.get(function(req, res) {
Bear.findById(req.params.bear_id, function(err, bear) {
if (err)
res.send(err);
res.json(bear);
});
})
// update the bear with this id
.put(function(req, res) {
Bear.findById(req.params.bear_id, function(err, bear) {
if (err)
res.send(err);
bear.name = req.body.name;
bear.save(function(err) {
if (err)
res.send(err);
res.json({ message: 'Bear updated!' });
});
});
})
// delete the bear with this id
.delete(function(req, res) {
Bear.remove({
_id: req.params.bear_id
}, function(err, bear) {
if (err)
res.send(err);
res.json({ message: 'Successfully deleted' });
});
});
// REGISTER OUR ROUTES -------------------------------
app.use('/api', router);
// START THE SERVER
// =============================================================================
app.listen(port);
console.log('Magic happens on port ' + port);
熊模式
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var BearSchema = new Schema({
name: String
});
module.exports = mongoose.model('Bear', BearSchema);
编辑:添加屏幕截图
您应该改用
我发现了我的错误 建立的连接是错误的 我在mongolab.com上使用了一个全球mongo db作为快速入门 然而,在本地设置之后。它起作用了 猫鼬mongodb://localhost:27017/zohaibdb');
这里的旁注,不要只使用
res.send(error)
,而是使用res.status(500).send(err)
。好的,谢谢大家记住这一点。但是控制并没有达到这一点。你确定猫鼬真的可以连接到数据库吗?是的,这就是连我都不确定的。知道怎么查吗?或任何其他可用的公共数据库over@Zohaibmongoose.connection
是将发出的事件发射器。您可以使用它来检查连接错误。尝试过了,但是问题仍然存在。如果(错误)…,则控件无法正常运行。。电话仍在“执行中”…请查看附带的屏幕截图
Bear.create({name: req.body.name}, function(err, bear) {
if (err)
res.send(err);
res.json({ message: 'Bear created!' });
});