express get query parameters code example
Example 1: express get query params from url
GET /something?color1=red&color2=blue
app.get('/something', (req, res) => {
req.query.color1 === 'red' // true
req.query.color2 === 'blue' // true
})
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: expressjs query params
// GET /search?q=tobi+ferret
console.dir(req.query.q)
// => 'tobi ferret'
// GET /shoes?order=desc&shoe[color]=blue&shoe[type]=converse
console.dir(req.query.order)
// => 'desc'
console.dir(req.query.shoe.color)
// => 'blue'
console.dir(req.query.shoe.type)
// => 'converse'
// GET /shoes?color[]=blue&color[]=black&color[]=red
console.dir(req.query.color)
// => ['blue', 'black', 'red']
Example 4: express get query parameters
//get query¶ms in express
//etc. example.com/user/000000?sex=female
app.get('/user/:id', function(req, res) {
const query = req.query;// query = {sex:"female"}
const params = req.params; //params = {id:"000000"}
})