简单教程
提交运行
代码编辑器：
<!DOCTYPE htm> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <style>body {margin:20px}</style> <div class="progress"> <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 90%;"> <span class="sr-only">90% 完成( 成功 ) </span> </div> </div> <div class="progress"> <div class="progress-bar progress-bar-info" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 30%;"> <span class="sr-only">30% 完成( 信息 ) </span> </div> </div> <div class="progress"> <div class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 20%;"> <span class="sr-only">20% 完成( 警告 ) </span> </div> </div> <div class="progress"> <div class="progress-bar progress-bar-danger" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 10%;"> <span class="sr-only">10% 完成( 危险 ) </span> </div> </div>
运行结果：