简单教程
提交运行
代码编辑器：
<!DOCTYPE htm> <meta charset="utf-8"> <link href="https://cdn.bootcss.com/bootstrap/2.3.2/css/bootstrap.min.css" rel="stylesheet"> <style>body { padding: 20px;}</style> <div class="container"> <div class="row"> <div class="span6"> <div class="progress progress-striped active"> <div class="bar" style="width: 50%;"></div> </div> </div> </div> </div>
运行结果：