下载qrcode.js
window.BASEDIR = '/wechat';
getScript: (url) => {
return new Promise(function (resolve, reject) {
var script = document.createElement('script');
script.type = "text/javascript";
script.setAttribute('async', 'async');
if (script.onreadystatechange !== undefined) {
script.onreadystatechange = function () {
if (script.doneState[script.readyState]) resolve();
}
} else {
script.onload = function () {
resolve();
};
}
script.src = url;
document.head.appendChild(script);
});
}
<div id="qrcode"></div>
http.getScript(BASEDIR+'/static/qrcode.js', true).then(()=>{
new QRCode(document.querySelector("#qrcode"), {text:`http://smartpark.cniotlife.com/api/wechat/menu?belong=gh_70cf8924ea3c&url=/appointmentlist_${params}#/appointmentlist`,width:150,height:150})
})