主页
https://github.com/grizzly/jquery.qrcode/
国内的使用demo
http://blog.wpjam.com/m/jquery-qrcode/
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type='text/javascript' src='http://cdn.staticfile.org/jquery/2.1.1/jquery.min.js'></script>
<script type="text/javascript" src="http://cdn.staticfile.org/jquery.qrcode/1.0/jquery.qrcode.min.js"></script>
</head>
<body>
<div id="qrcode"></div>
<script>
jQuery('#qrcode').qrcode("http://blog.wpjam.com");
jQuery('#qrcode').qrcode({width: 64,height: 64,text: "http://blog.wpjam.com"});
</script>
</body>
</html>
感觉不错