Js生成二维码

<script src="https://cdn.bootcdn.net/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
<div id="qrcode"></div>
<script>
  var qrcode = new QRCode(document.getElementById("qrcode"), {
    text: "你的内容",
    width: 128,
    height: 128,
    colorDark : "#000000",
    colorLight : "#ffffff",
    correctLevel : QRCode.CorrectLevel.H
  });
</script>