nodejs简介

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Linux and Mac:

mkdir ~/projects
cd ~/projects

Windows CMD:

mkdir %USERPROFILE%\projects
cd %USERPROFILE%\projects

Windows PowerShell:

mkdir $env:USERPROFILE\projects
cd $env:USERPROFILE\projects

Open hello-world.js

const http = require('node:http');

const hostname = '127.0.0.1';
const port = 3000;

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/plain');
  res.end('Hello, World!\n');
});

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

to run the hello-world.js file

node hello-world.js

框架

框架

数据库

nodejs简介

Linux and Mac:

Windows CMD:

Windows PowerShell:

Open hello-world.js

to run the hello-world.js file

nodejs简介 ​

Linux and Mac: ​

Windows CMD: ​

Windows PowerShell: ​

Open hello-world.js ​

to run the hello-world.js file ​

nodejs简介

Linux and Mac:

Windows CMD:

Windows PowerShell:

Open hello-world.js

to run the hello-world.js file