Express is a framework for Node that allows you to quickly develop services that handle client requests

The installation

npm i express --save
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Import express

let express = require('express');
let bodyParser = require('body-parser');
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Create a server using Express

let app = express();
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### Use of middleware

app.use(express.static(__dirname)); Use (bodyParser.json()); // Parse the data from the POST request and mount it to the body of the REqCopy the code

The routing configuration

A get request

app.get('/login'.function (req, res) {
  console.log(req.query);
  res.send(req.headers);
});
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A post request

app.post('/register'.function (req, res) {
  console.log(req.body);
  res.send({
    code: 0,
    data: {},
    msg: 'ok'})});Copy the code

Both get and POST requests are executed

app.all('/api/xyz'.function (req, res) {
    console.log('Here comes the request');
});
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Listening port number

app.listen(8000, () => console.log('Started successfully'));
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