【NodeJS】NodeJS、ES6、Babel初步

1、安装node-v8.10.0-x64.msi

2、npm init -y

3、npm install --save express

4、npm install --save-dev babel-cli babel-preset-es2015 rimraf

5、package.json

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{   "name": "vtk-js-new",   "version": "1.0.0",   "description": "",   "main": "index.js",   "scripts": {     "test": "echo \"Error: no test specified\" && exit 1",     "build": "rimraf dist/ && babel ./ --out-dir dist/ --ignore ./node_modules,./.babelrc,./package.json,./npm-debug.log --copy-files",     "start": "npm run build && node dist/index.js"   },   "keywords": [],   "author": "",   "license": "ISC",   "dependencies": {     "express": "^4.16.2"   },   "devDependencies": {     "babel-cli": "^6.26.0",     "babel-preset-es2015": "^6.24.1",     "rimraf": "^2.6.2"   } }

6、.babelrc

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{ "presets": ["es2015"] }

7、index.js

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import express from 'express';   const app = express()   app.get('/', function (req, res) {   res.send('Hello World!') })   app.listen(3000, function () {   console.log('Example app listening on port 3000!') })

8、文件夹结构

8、npm start

9、运行效果

 参考资料：http://www.cnblogs.com/weschen/p/7159307.html