<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="utf-8"/>
<script src="http://www.luqidong.com/demo/qrcode/js/qrcode.js"></script>
<style>
#qrcode{
/*text-align: center;*/
/*display: table-cell;*/
/* 96px;*/
/*height: 96px;*/
/*vertical-align:middle;*/
/*position: relative;*/
}
</style>
</head>
<body>
<div id="qrcode">
</div>
<input type="text" id="getval"/> <button id="send">点击更换验证码</button>
<script>
window.onload =function(){
var qrcode = new QRCode(document.getElementById("qrcode"), {
width : 96,//设置宽高
height : 96
});
qrcode.makeCode("http://www.78oa.com");
document.getElementById("send").onclick =function(){
qrcode.makeCode(document.getElementById("getval").value);
}
}
</script>
</body>
</html>