首先
npm install qr-image --save
具体代码如下:
var qr_image = require('qr-image')
var fs = require('fs')
var temp_qrcode = qr_image.image('www.baidu.com',{ ec_level: 'H' })//设置容错率level为30%
temp_qrcode.pipe(require('fs').createWriteStream('/tmp/qr.png').on('finish', function(){
log.info('write finished')
}))