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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 按钮（Button） - 复选框</title>
  <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
  <link rel="stylesheet" href="jqueryui/style.css">
  <script>
  $(function() {
    $( "#check" ).button();
    $( "#format" ).buttonset();
  });
  </script>
  <style>
  #format { margin-top: 2em; }
  </style>
</head>
<body>
 
<input type="checkbox" id="check"><label for="check">切换</label>
 
<div id="format">
  <input type="checkbox" id="check1"><label for="check1">B</label>
  <input type="checkbox" id="check2"><label for="check2">I</label>
  <input type="checkbox" id="check3"><label for="check3">U</label>
</div>
 
 
</body>
</html>
源代码

动行结果
