二维码生成器（来源黑白猪的博客）
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>二维码生成</title>
<meta name="viewport" content="initial-scale=1, width=device-width, maximum-scale=1, user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link href="../front/css/bootstrap.css" rel="stylesheet">
<style>
#top { margin:100px 0 0;}
#top .container { max-width:960px;}
.alert {margin-top:10px;}
.list-group { margin-bottom:0; margin-top:10px; text-align:center}
.page-header h1 { font-family:‘微软雅黑‘}
#code { position:relative; width:150px; height:150px; margin:0 auto}
</style>
<script src="../front/js/jquery-1.8.3.min.js" type="text/javascript"></script>
<script src="../front/js/bootstrap.min.js" type="text/javascript"></script>
<script src="../front/js/qrcode.js" type="text/javascript"></script>
</head>
<body>
<div id="top">
<div class="container">
<div class="page-header">
<h1>二维码生成器<small>博客园</small></h1>
</div>
<div class="input-group input-group-lg">
<span class="input-group-addon">请输入</span>
<input type="text" class="form-control" placeholder="输入您要生成二维码的网址" id="url">
</div>
<div class="alert alert-info">请输入正确的网址，或者文本，支持中文生成！</div>
<div class="list-group">
<button type="button" class="btn btn-success btn-lg">访问首页</button>
<button type="button" class="btn btn-primary btn-lg" id="makeCode">点击生成</button>
</div>
</div>
</div>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true" data-backdrop="static">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabel">二维码生成成功</h4>
</div>
<div class="modal-body">
<div class="list-group" id="showRoomInfo">
<div id="code"></div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-success" id="save">保存</button>
<button type="button" class="btn btn-primary" id="close">关闭</button>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /.modal -->
</body>
<script>
window.onload = function(){
$(‘#makeCode‘).click(function(){
var url = $(‘#url‘).val();
if(!url){
$(‘.alert‘).attr(‘class‘,‘alert alert-warning‘).html(‘输入框不能为空，请重新输入！‘);
return false;
}else{
$(‘#code‘).html(‘‘);
$(‘.alert‘).attr(‘class‘,‘alert alert-success‘).html(‘二维码生成成功！‘)
$(‘#myModal‘).modal(‘show‘);
makeCode(url);
}
});
$(‘#close‘).click(function(){
$(‘#myModal‘).modal(‘hide‘);
$(‘.alert‘).attr(‘class‘,‘alert alert-info‘).html(‘请输入正确的网址，或者文本，支持中文生成！‘);
});
$(‘#save‘).click(function(){
var _url = $(‘#code img‘).attr(‘src‘);
var obj = window.open(_url);
});
function makeCode(url){
var qrcode = new QRCode(document.getElementById("code"), {
width : 150,
height : 150
});
qrcode.makeCode(url);
};
};
</script>
</html>
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