<title>Bootstrap3 堆叠的进度条 - 迹忆客(jiyik.com)</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<div class="progress-bar progress-bar-success" role="progressbar"
aria-valuenow="60" aria-valuemin="0" aria-valuemax="100"
<span class="sr-only">40% 完成</span>
<div class="progress-bar progress-bar-info" role="progressbar"
aria-valuenow="60" aria-valuemin="0" aria-valuemax="100"
<span class="sr-only">30% 完成（信息）</span>
<div class="progress-bar progress-bar-warning" role="progressbar"
aria-valuenow="60" aria-valuemin="0" aria-valuemax="100"
<span class="sr-only">20% 完成（警告）</span>
