msg代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>www.qipa250.com - layui</title>
<link rel="stylesheet" href="layui/css/layui.css">
</head>
<body>
<div id="layerDemo" style="margin-bottom: 0;">
<div class="layui-btn-container">
<button class="layui-btn layui-btn-normal" onclick="show_msg(-1)">icon--1</button>