js生成二维码参数设置

$(selector).qrcode({
width: 100,
height: 100,
color: '#3a3',
text: 'http://larsjung.de/qrcode'
});

{ // render method: `'canvas'`, `'image'` or `'div'`
render: 'canvas', // version range somewhere in 1 .. 40
minVersion: 1,
maxVersion: 40, // error correction level: `'L'`, `'M'`, `'Q'` or `'H'`
ecLevel: 'L', // offset in pixel if drawn onto existing canvas
left: 0,
top: 0, // size in pixel
size: 200, // code color or image element
fill: '#000', // background color or image element, `null` for transparent background
background: null, // content
text: 'no text', // corner radius relative to module width: 0.0 .. 0.5
radius: 0, // quiet zone in modules
quiet: 0, // modes
// 0: normal
// 1: label strip
// 2: label box
// 3: image strip
// 4: image box
mode: 0, mSize: 0.1,
mPosX: 0.5,
mPosY: 0.5, label: 'no label',
fontname: 'sans',
fontcolor: '#000', image: null
}