steem-attestation/public/qr/index.html at master · byteball/steem-attestation · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
		<link rel="shortcut icon" href="/favicon.ico">
		<link rel="icon" type="image/png" sizes="192x192"  href="/android-icon-192x192.png">
		<title>Referral QR code</title>
		<style>
			html,body
			{
				height: 100%;
				font-family: sans-serif;
				color: #444;
				line-height: 2;
			}
			body
			{
			   display: table;
			   margin: 0 auto;
			}

			.container
			{
				height: 100%;
				display: table-cell;
				vertical-align: middle;
				text-align: center;
			}
			#qr_code canvas {
				width: 80%;
				height: 80%;
				padding: 25px;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div id="qr_code"></div>
		</div>
		<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
		<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.qrcode/1.0/jquery.qrcode.min.js" integrity="sha256-9MzwK2kJKBmsJFdccXoIDDtsbWFh8bjYK/C7UjB1Ay0=" crossorigin="anonymous"></script>
		<script type="text/javascript">
		$(document).ready(function() {
			var params = parseParams(window.location.search);
			if (!params.code) {
				$('#qr_code').html('code not found');
			}
			else {
				$('#qr_code').qrcode({width: 512, height: 512, text: decodeURIComponent(params.code)});
			}
			// for parsing windows.location.search or windows.location.hash
			function parseParams(params) {
				var hash = params.substring(1);
				var param_list = {}
				$.each(hash.split('&') , function( key, value ) {
					var temp = value.split('=');
					param_list[temp[0]] = temp[1];
				});
				return param_list;
			}
		});
		</script>
	</body>
</html>