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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 实例 - 可取消的警告（Dismissal Alerts）</title> <link href="//cdn.staticfile.net/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="//cdn.staticfile.net/jquery/2.1.1/jquery.min.js"></script> <script src="//cdn.staticfile.net/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <div class="alert alert-success alert-dismissable"> <button aria-hidden="true" class="close" data-dismiss="alert" type="button"> × </button> 成功！很好地完成了提交。 </div> <div class="alert alert-info alert-dismissable"> <button aria-hidden="true" class="close" data-dismiss="alert" type="button"> × </button> 信息！请注意这个信息。 </div> <div class="alert alert-warning alert-dismissable"> <button aria-hidden="true" class="close" data-dismiss="alert" type="button"> × </button> 警告！请不要提交。 </div> <div class="alert alert-danger alert-dismissable"> <button aria-hidden="true" class="close" data-dismiss="alert" type="button"> × </button> 错误！请进行一些更改。 </div> </body> </html>
运行结果