Getting query value from URL in nodejs

Question

This is the url of api.

http://localhost:3000/verify?id=55

And this is the snipet for getting the query value.

server.get('/verify', async (req,res,next) => {
  try { console.log(req.query.id); }
  catch{err}
});

As the log prints out "undefined" , is there a problem on url expression?

You need a query-parser middleware to access the query like that. Are you using express? — Christian Fritz
– Christian Fritz, Commented May 3, 2021 at 16:07

Syed Mohib Uddin · Accepted Answer · 2021-05-03 16:13:06Z

1

Try like this once

server.get('/verify', async (req,res,next) => {
try { 
  var id = JSON.parse(req.query.id); 
}
  catch{err}
});

answered May 3, 2021 at 16:13

Syed Mohib Uddin

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Comments

jarmod · Accepted Answer · 2021-05-03 16:31:33Z

0

Your code should look something like this (note the use of query parser middleware):

const restify = require('restify');

const server = restify.createServer({
  name: 'myapp',
  version: '1.0.0'
});

server.use(restify.plugins.bodyParser());
server.use(restify.plugins.queryParser());

server.get('/verify', async (req, res, next) => {
  console.log(req.query.id);
});

answered May 3, 2021 at 16:31

jarmod

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2 Comments

user8716887 Over a year ago

Tried those middleware but now got the following error. {"code":"Unauthorized","message":"caused by TypeError: req.query is not a function"}.

user8716887 Over a year ago

It worked after updating npm packages. Thank you.

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