mayi_cms/include/payment/wxnative/qrcode.php

<?php

error_reporting(1);
require_once 'phpqrcode/phpqrcode.php';
$url = urldecode($_GET['data']);
QRcode::png($url, $outfile = false, $level = QR_ECLEVEL_L, $size = 7, $margin = 1);

?>