express post parameters code example

Example 1: How to parse POST requests with express nodejs

const express = require('express');
const bodyParser = require('body-parser');

const app = express();
app.use(bodyParser.urlencoded({ extended: true }));

app.post('/post-test', (req, res) => {
    console.log('Got body:', req.body);
    res.sendStatus(200);
});

app.listen(8080, () => console.log(`Started server at http://localhost:8080!`));

Example 2: node.js express post query string

const express = require('express');
const bodyParser = require('body-parser');

const app = express();
app.use(bodyParser.urlencoded({ extended: true }));

// POST /somepost/?name=somename
app.post('/somepost', (req, res) => {
    console.log('Name:', req.query.name);
    res.status(200);
});

Example 3: app.post (req res) get data

const express=require('express');
const app=express();
//accept Post with no midleWare express
app.post("/register/",function(req,res){
    var bodyStr = '';
    req.on("data",function(chunk){
        bodyStr += chunk.toString();
    });
    req.on("end",function(){
        res.send(bodyStr);
    });

});