使用QRCode.js生成二维码

<div id="qrcode"></div>
<script type="text/javascript">
new QRCode(document.getElementById("qrcode"), "https://www.themege.com");  // 设置要生成二维码的链接
</script>

var qrcode = new QRCode("test", {
    text: "https://www.themege.com",
    width: 128,
    height: 128,
    colorDark : "#000000",
    colorLight : "#ffffff",
    correctLevel : QRCode.CorrectLevel.H
});

qrcodeObj.makeCode('https://www.themege.com/')

qrcodeObj.clear()