王新阳

官网：https://larsjung.de/jquery-qrcode/
github：https://github.com/lrsjng/jquery-qrcode
演示：https://larsjung.de/jquery-qrcode/latest/demo/

<div id="qrcodeTable"></div>
<img id="logoimg" src="logo.png">
<script>
$('#qrcodeTable').qrcode({
    // render method: 'canvas', 'image' or 'div'
    render: 'image',

    // 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, //二维码尺寸

    // code color or image element
    fill: '#000', //二维码颜色

    // background color or image element, null for transparent background
    background: '#fff', //背景色

    // content
    text: '汉a字',

    // corner radius relative to module width: 0.0 .. 0.5
    radius: 0,

    // quiet zone in modules
    quiet: 2, //可理解为css的padding，大小为quiet*6像素

    // modes
    // 0: normal 无文字、无logo
    // 1: label strip
    // 2: label box 显示文字
    // 3: image strip
    // 4: image box 显示logo
    mode: 4,

    mSize: 0.1, //logo尺寸
    mPosX: 0.5, //logo位置
    mPosY: 0.5,

    label: 'hello', //使用文字代替logo
    fontname: 'sans',
    fontcolor: '#000',

    image: null, //$('#logoimg')[0]
});
</script>

<script>
$('#qrcodeTable').qrcode({
    render: 'image', //canvas|image|div
    size: 200, //二维码尺寸
    text: '汉a字',
    quiet: 2, //可理解为css的padding，大小为quiet*6像素
});
</script>