expressjsHow do I use the Express.js bodyparser module?
The Express.js bodyparser module is a middleware used to parse incoming request bodies before the request is handled by the route. This module can be used to parse JSON, text, URL-encoded data, and even multipart/form-data.
To use the bodyparser module, first install the module with the command npm install body-parser
and then require the module in your Express.js application.
// Require the bodyparser module
const bodyParser = require('body-parser');
// Use the bodyparser module
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
The bodyParser.json()
method is used to parse JSON requests and bodyParser.urlencoded()
is used to parse URL-encoded requests. The extended
option is used to specify whether to use the qs
library or the querystring
library for parsing.
The bodyparser module can also be used with POST
requests.
// POST request example
app.post('/some-route', (req, res) => {
const { name } = req.body;
console.log(name);
});
In this example, the bodyparser module is used to parse the name
value from the req.body
object.
For more information on the Express.js bodyparser module, see the Express.js documentation.
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