var bitmap = '',//二维码中间的小图标的地址
url =''//二维码地址
var qrcode = new AraleQRCode({
correctLevel: 0,
render: 'svg',
text: url,
size: 200,
pdground: '#000',
image : bitmap,
imageSize:40
});
qrcode.clear();
qrcode.makeCode($("#text").val());
https://github.com/sailormillet/frontendEffects
