Bootstrap例子，vue例子

Bootstrap例子：https://v3.bootcss.com/getting-started/#download
vue例子：https://cn.vuejs.org/v2/guide/

  <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/vue"></script>
  <script src="https://cdn.jsdelivr.net/npm/axios@0.19.2/dist/axios.min.js"></script>