nodejs express route

route

const express = require('express');
const app = express();

app.get('/', (req, res) => {
    res.send('Hello World');
});

app.get('/user', (req, res) => {
    res.send('User Page');
});

app.listen(3000, () => {
    console.log('Server is running on port 3000');
});

标准写法

const express = require('express');
const app = express();
const port = 3000;

// Root route
app.get('/', (req, res) => {
  res.send("I'm geo");
});

// Dynamic route with a parameter
app.get('/user/:username', (req, res) => {
  const username = req.params.username;
  res.send(`Hello, ${username}!`);
});

app.listen(port, () => {
  console.log(`Server running at http://localhost:${port}`);
});