1, in html
<script src="../../../../js/activity/2019/businessInvite/qrcode.min.js?v=20190606"></script>
2, in js
// 要跳轉的鏈接
var url = "https://wap.fj.10086.cn/weixin/we_portal/portal/html/activityGroup/index.html?id=1LlEfGKDHOc%3D&utm_id=" + identify.data.employeeInfo.utmId;
// 根據url生成二維碼
var qrCode = new QRCode(document.getElementById("qrCode"));
qrCode.makeCode(url);