<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../jquery-1.12.4.min.js"></script>
<script src="jQuery.qrcode.js"></script>
</head>
<body>
<div id="qrcode"></div>
<script>
jQuery(‘#qrcode‘).qrcode({width: 64,height: 64,text: "http://blog.wpjam.com"});
</script>
</body>
</html>
原文：http://www.cnblogs.com/l742314100/p/5933935.html