ExpressJS- GET Request
Express.js GET Request
- GET is a common HTTP request used for building REST API.
- It is used to fetch data.
- Fetch data using GET Method in JSON format and paragraph format.
Example
- Data in JSON format
In index.html
<html>
<body>
<form action="http://127.0.0.1:8081/process_get" method="GET">
First Name: <input type="text" name="first_name"> <br>
Last Name: <input type="text" name="last_name">
<input type="submit" value="Submit">
</form>
</body>
</html>
In example.js
var express = require('express');
var app = express();
app.use(express.static('public'));
app.get('/index.html', function (req, res) {
res.sendFile( __dirname + "/" + "index.html" );
})
app.get('/process_get', function (req, res) {
response = {
first_name:req.query.first_name,
last_name:req.query.last_name
};
console.log(response);
res.end(JSON.stringify(response));
})
var server = app.listen(8000, function () {
var host = server.address().address
var port = server.address().port
console.log("Example app listening at http://%s:%s", host, port)
})
- Data in Paragraph format
In index.html
<html>
<body>
<form action="http://127.0.0.1:8000/get_example2" method="GET">
First Name: <input type="text" name="first_name"/> <br/>
Last Name: <input type="text" name="last_name"/><br/>
<input type="submit" value="Submit"/>
</form>
</body>
</html>
In example2.js
var express = require('express');
var app=express();
app.get('/get_example2', function (req, res) {
res.send('<p>Username: ' + req.query['first_name']+'</p><p>Lastname: '+req.query['last_name']+'</p>');
})
var server = app.listen(8000, function () {
var host = server.address().address
var port = server.address().port
console.log("Example app listening at http://%s:%s", host, port)
})
