轮播图swiper:

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/css/swiper.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/css/swiper.min.css">

<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/js/swiper.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/js/swiper.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/js/swiper.esm.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.5.0/js/swiper.esm.bundle.js"></script>

Jquery:

 
https://www.bootcdn.cn/jquery/

<script src="https://cdn.bootcss.com/jquery/3.4.1/core.js"></script>

<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>

<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>

<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.slim.js"></script>

<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.slim.min.js"></script>

CDN合集

原文：https://www.cnblogs.com/buyiblogs/p/11431839.html