二维码生成器（来源黑白猪的博客）
<!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="https://files.cnblogs.com/files/heyiming/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="https://files.cnblogs.com/files/heyiming/jquery-2.1.4.min.js"></script> <script src="https://files.cnblogs.com/files/heyiming/bootstrap.js" type="text/javascript"></script> <script src="https://files.cnblogs.com/files/heyiming/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>黑白猪</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="http://www.heibaipig.com" 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>
效果：
