1，先导入jquery
<script type="text/javascript" src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
2，导入layui组件
<link rel="stylesheet" type="text/css" href="__STATIC__/plug/layui/css/layui.css">
???????<script type="text/javascript" src="__STATIC__/plug/layui/layui.js"></script>
应用实例
<!doctype html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>Document</title> ???<script type="text/javascript" src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script> ???????<link rel="stylesheet" type="text/css" href="__STATIC__/plug/layui/css/layui.css"> ???????<script type="text/javascript" src="__STATIC__/plug/layui/layui.js"></script></head><body> ???<button class="layui-btn layui-btn-primary" onclick="demo()">按钮一个</button></body><script>layui.use(‘layer‘, function(){ ??var layer = layui.layer;});function demo(){ ???layer.alert(‘你好‘); ???$(‘body‘).append(‘hello jquery‘); ???}</script></html>layui与jQuery一起使用
原文地址：https://www.cnblogs.com/cl94/p/9096689.html