NodeJS 教學

1.安裝nodejs
sudo apt-get install node

https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-an-ubuntu-14-04-server

1-2 支援模組 Express
https://expressjs.com/en/guide/routing.html

2.範例

file upload
https://codeforgeek.com/2014/11/file-uploads-using-node-js/

chat room
http://socket.io/get-started/chat/

3.async
http://book.mixu.net/node/ch7.html

Z.安裝模組與使用

npm install formidable

var formidable = require("formidable");