使用Express，Node和Rest从AngularJS发布数据

Question

I am quite new to the javascript stack and have been trying to get a form post from angular onto to mongo. I am able to get a list back, but not able to post.

The below code lists ok, but when I post, it posts a blank record (and moreover, it keeps posting every couple of minutes even though I don't do any action on the page)

I can see that its able to call the Server side method, but the data is not being passed on towards persistence.

I know I am doing something stupid, but just not sure what it is. I've searched all over google, but don't see the solution which I can take. Any help would be greatly appreciated.

============jade================
    div(ng-app="sell" ng-controller="sellCtlr")
        .container-fluid
        form#listingForm.form-horizontal
                      .form-group
                       .row
                           .col-xs-8
                               label.control-label(for="title") title 
                               input#title.form-control(type="text", name="title", ng-model="listing.title")
                   .form-group
                       .row
                           .col-xs-8
                               label.control-label(for="subTitle") sub-title
                               input#subTitle.form-control(type="text", name="subTitle",, ng-model="listing.subTitle")

  .........
  .........
                        .form-group
                       .col-xs-6
                           button.btn.btn-primary(type="submit" ng-click="createListing()") Submit
============app.js================
/* server side controllers **/
var listController = require('./server/controllers/list-controller');

/* routes */
var sell = require('./client/routes/sell');

/* rest api */
app.get('/api/listings', listController.list);
app.post('/api/listings', listController.create);

/* sell route */
app.use('/sell', sell);

============sell.js (sell route)================
var express = require('express');
var router = express.Router();

/* GET sell page. */
router.get('/', function(req, res, next) {
    res.render('sell', { title: 'Express' });
});

/* POST sell page. */
router.post('/api/listings', function(req, res, next) {
    res.render('sell', { title: 'Express' });
});

module.exports = router;

============sellCtlr.js (client side)================    

var app = angular.module('sell', ['ngResource']);

app.controller('sellCtlr', ['$scope', '$resource',
    function($scope, $resource){

    var Listing = $resource('/api/listings');
    $scope.listing = new Listing();

    $scope.createListing = function(){

        Listing.save($scope.listing, function(){
            //data saved. do something here.
        });//saves an entry. Assuming $scope.listing is the Listing object
        };
    }]);

============list-controller.js (server side)================

var Listing = require('../models/listing');

// save listing
module.exports.create = function (req, res) {
  var listing = new Listing(req.body);
  listing.save(function (err, result){
      res.json(result);
  });
}
//retrieve all listings
module.exports.list = function(req, res){
Listing.find({}, function(err, results) {
    res.json(results);
});
}


============listing.js (model, server side)================

var mongoose = require('mongoose');

module.exports = mongoose.model('Listing', {
  title: String,
  subTitle: String

});

Many Thanks guys

EDIT 2 -- FULL app.js file

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

/*%%%%% server side controllers %%%%%%**/
var listController = require('./server/controllers/list-controller');
/*%%%%% server side controllers %%%%%%**/


/*%%%%% mongoose config %%%%%%**/
var secrets = require('./config/secrets');
var mongoose = require('mongoose');
//Connect to the MongoDB
mongoose.connect(secrets.db);
/*%%%%% mongoose config %%%%%%**/

/*%%%%% routes %%%%%%**/
var index = require('./client/routes/index');
var listing = require('./client/routes/listing');
var users = require('./client/routes/users');
var sell = require('./client/routes/sell');
/*%%%%% routes %%%%%%**/

/*%%%%% express setup %%%%%%**/
var app = express();
/*%%%%% express setup %%%%%%**/

/*%%%%% view engine setup %%%%%%**/
app.set('views', path.join(__dirname, 'client/views'));
app.set('view engine', 'jade');
/*%%%%% view engine setup %%%%%%**/

/*%%%%% client side directories %%%%%%**/
app.use(express.static('client'));
app.use(express.static('client/views'));

app.use('/js', express.static(__dirname + '/client/js'));
app.use('/js', express.static(__dirname + '/client/views/js'));

app.use('/css', express.static(__dirname + '/client/views/css'));

/*%%%%% rest api's %%%%%%**/
app.get('/api/listings', listController.list);
app.post('/api/listings', listController.create);
/*%%%%% rest api's %%%%%%**/



// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


app.use('/', index);
app.use('/users', users);
app.use('/sell', sell);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;

Answer 1

You aren't registering the model correctly, you need to use mongoose.Schema . I'm surprised you aren't getting an error.

var mongoose = require('mongoose');

module.exports = mongoose.model('Listing', new mongoose.Schema({
  title: String,
  subTitle: String
}));

EDIT1:

Change your save() call to the following:

$scope.createListing = function(){
  $scope.listing.$save();
};

EDIT3

The order in which you register your middleware matters. You are registering your routes, before your bodyparser, this is not correct. Your body parser, and other middleware must be registered BEFORE the routes/API.

See below:

/*%%%%% express setup %%%%%%**/
var app = express();
/*%%%%% express setup %%%%%%**/

/*%%%%% view engine setup %%%%%%**/
app.set('views', path.join(__dirname, 'client/views'));
app.set('view engine', 'jade');
/*%%%%% view engine setup %%%%%%**/

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


// ***Register the API AFTER the body and cookie parser**

/*%%%%% client side directories %%%%%%**/
app.use(express.static('client'));
app.use(express.static('client/views'));

app.use('/js', express.static(__dirname + '/client/js'));
app.use('/js', express.static(__dirname + '/client/views/js'));

app.use('/css', express.static(__dirname + '/client/views/css'));

/*%%%%% rest api's %%%%%%**/
app.get('/api/listings', listController.list);
app.post('/api/listings', listController.create);
/*%%%%% rest api's %%%%%%**/

app.use('/', index);
app.use('/users', users);
app.use('/sell', sell);