引入CDN

jquery

<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>

weui

<link href="https://cdn.bootcss.com/weui/1.1.2/style/weui.min.css" rel="stylesheet">
<script src="https://res.wx.qq.com/open/libs/weuijs/1.0.0/weui.min.js"></script>

Swiper

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.2.2/css/swiper.min.css">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.2.2/js/swiper.min.js"></script>