网页动态背景—随鼠标移动的线条

<script type="text/javascript" src="https://cdn.bootcss.com/canvas-nest.js/1.0.1/canvas-nest.min.js"></script>　　

参考：

https://github.com/hustcc/canvas-nest.js

https://www.cnblogs.com/qq597585136/p/7019755.html