sticker.html

<html>

<script>

// ?&link=QR_CODE_LINK&sku=SKU


function parse_query_string(query) {
  var vars = query.split("&");
  var query_string = {};
  for (var i = 0; i < vars.length; i++) {
    var pair = vars[i].split("=");
    var key = decodeURIComponent(pair.shift());
    var value = decodeURIComponent(pair.join("="));
    // If first entry with this name
    if (typeof query_string[key] === "undefined") {
      query_string[key] = value;
      // If second entry with this name
    } else if (typeof query_string[key] === "string") {
      var arr = [query_string[key], value];
      query_string[key] = arr;
      // If third or later entry with this name
    } else {
      query_string[key].push(value);
    }
  }
  return query_string;
}


setTimeout(function(){


var parsed_qs = parse_query_string(window.location.search);

var qr_link = parsed_qs.link;
var info_sku = parsed_qs.sku;

    var imageUrl = "https://www.barcode-generator.org/phpqrcode/getCode.php?cht=qr&chl="+qr_link+"&chs=180x180&choe=UTF-8&chld=L|0";
    document.getElementById('qr-image').src = imageUrl;


	document.getElementById("sku").innerHTML = info_sku;
}, 1);

</script>
<center>
<img id="qr-image">
<div id="sku" style="font-size:30"></p>
</center>
</html>