html script生成二维码

 <div class="code" align="center">
 <p >手机端扫描以下二维码直接观看（支持安卓Android/苹果iOS/微信）</p>
 <SCRIPT LANGUAGE=JavaScript>
 /* 2014/07/19 21:09 */
 var _qrContent =escape(document.location.href);
 _qrLogo='./images/logo.png',
 _qrWidth=200,
 _qrHeight=200,
 _qrType = 'url';
 var _qrContent =escape(document.location.href);
 document.write(unescape("%3Cscript src='http://qrcode.leipi.org/js.html?qw="+_qrWidth+"&qh="+_qrHeight+"&qt="+_qrType+"&qc="+escape(_qrContent)+"&ql="+escape(_qrLogo)+"' type='text/javascript'%3E%3C/script%3E"));
 </SCRIPT>
 </div>