创建一个简单的 HTTP 服务器

1. GET request:

   1curl -X GET http://localhost:3000

   Expected output:

   1Received a GET request

2. POST request:

   1curl -X POST http://localhost:3000

   Expected output:

   1Received a POST request

Show Solution

The code for index.js is given below:

Solution: Responding based on the request method

1const http = require('http');
2
3const server = http.createServer((req, res) => {
4    if (req.method === 'GET') {
5        res.write('Received a GET request');
6    } else if (req.method === 'POST') {
7        res.write('Received a POST request');
8    }
9    res.end();
10});
11
12server.listen(3000, () => {
13    console.log('Server is running on http://localhost:3000');
14});

• Line 4: Checks if req.method is GET; if so, sends "Received a GET request".

• Line 6: Checks if req.method is POST; if so, sends "Received a POST request".

• Line 9: Calls res.end() to complete the response.

• Line 4: Checks if req.method is GET; if so, sends “Received a GET request”.

• Line 6: Checks if req.method is POST; if so, sends “Received a POST request”.

• Line 9: Calls res.end() to complete the response.