个回答

• 慕后端4227358

  2018-10-02 22:33:23

  已采纳

  <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">

  <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> 

  分别加上协议http：

  <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">

  <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> 

  0

• qq_小公主_3

  2018-10-20 09:25:11

  http://www.php.cn/ 这个网站不错，分享

  0