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Nodejs, Express + Angular POST 404


Nodejs, Express + Angular POST 404

By : Brune Kudecha
Date : November 22 2020, 02:59 PM
Hope this helps To use routes from another file you can do following
routes/clientConfig.js
code :
var express = require('express');
var router = express.Router();

router.get(...); 
router.post(...); 
router.put(...); 

module.exports = router;
...
app.use(require('./routes/clientConfig.js'));
...


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while using MySql, express, angular, nodejs, will the ports be different for express and node

while using MySql, express, angular, nodejs, will the ports be different for express and node


By : user3364962
Date : March 29 2020, 07:55 AM
Does that help After doing trial and error, I found that srever.js is on server side, angular part of the project is on client side. from angular part, only way to recieve data is using REST API. This role of providing REST API will be facilitated by server.js and hence shall be run on diff port. It means I had to call npm start as well as node server.js. Then I was facing CORS issue, which I resolved by providing
code :
app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header ("Access-Control-Allow-Credentials", true);
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  res.header('Access-Control-Allow-Methods', 'POST, GET, PUT, DELETE, OPTIONS');
  next();
});
angular js post request to nodejs json. key undefined express 4

angular js post request to nodejs json. key undefined express 4


By : takataiga
Date : March 29 2020, 07:55 AM
I hope this helps you . change the client side header code to headers: { 'Content-Type': 'application/json' }
Angular 2 http post + Nodejs express

Angular 2 http post + Nodejs express


By : David
Date : March 29 2020, 07:55 AM
help you fix your problem I can't get post params on the server. I send post request in Angular 2 app to Nodejs express server. Here my code in Angular 2: , You forgot to import the Headers class:
code :
import { Injectable } from 'angular2/core';                                                                                                    
import { Http, Headers } from 'angular2/http'; // <----
404 on POST for nodejs/express app

404 on POST for nodejs/express app


By : jake blade__
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I've been following a tutorial online, but modifying it for my own project. Get requests to api/posts work fine, but Post requests lead to 404 and 'Error: Can't set headers after they are sent.'. I can't work out why this is. , This might do the trick!
code :
router.route('/posts')
    .get(function(req, res) {
        Post.find(function(err, posts) {
            if (err) return res.send(err);
            return res.json(posts)
        })
    })
    .post(function(req, res) {
        const post = new Post();
        post.title = req.body.title;
        post.text = req.body.text;

        post.save(function(err) {
            if (err) return res.send(err);
            return res.json({ message: 'Post added!'});
        });
    });
Post request is called twice in Express/Angular(not sure of express or angular)

Post request is called twice in Express/Angular(not sure of express or angular)


By : Calandra
Date : March 29 2020, 07:55 AM
Does that help Here is my Angular code Component , In
code :
saveRegisteredUser: function(regis... 
var RegisteredUserApi = {
    saveRegisteredUser: function(registeredUser, callback) {
        var newUser = new RegisteredUser(registeredUser);
        newUser.save({}, function (err, registeredUser) {
            if (err) {
                return callback(err);  // <---
            } else {
               return callback('RegisteredUser inserted successfully.....!!!'); // <---
            }
        });
    }
}
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