npm install qrcode-js
qrcode-js
========
This is a node.js wrapper for the qrcode JavaScript library (http://www.d-project.com/qrcode)
Install
========
npm install qrcode-js
Example
========
var qrcode=require('qrcode-js');
var url = 'http://www.sunzhongkui.me';
var base64 = qrcode.toDataURL(url, 4);