abstract：<!DOCTYPE html><html> <head> &nbs
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="icon" type="image/x-icon" href="">
<link rel="stylesheet" type="text/css" href="">
<script type="text/javascript" src="js/jquery-3.3.1.min.js"></script>
<style type="text/css">
*{margin:0;padding:0;}
.main{width:1000px;height:35px;margin:0px auto;margin-top:30px;background:rgb(29,98,169);color:#fff;border-radius:10px;}
.main ul{line-height: 35px;text-align:center;font-size:0;}
.main ul li{line-height:35px;list-style:none;width:100px;position:relative;display:inline-block;border-right:0px solid #fff;font-size: 16px;align: center;}
.split{width:0px!important;}
.product{position:absolute;left:3px;top:35px;width:98px;background:rgb(29,98,169);color:#fff;display:none;border-bottom-right-radius: 5px;border-bottom-left-radius: 5px;}
.product li{width:98px;line-height:35px;text-align:center;position:relative;}
.proSub{position:absolute;width:100px;left:110px;top:8px;background:rgb(29,98,169);color:#fff;display:none;border-radius: 5px;}
.proSub li{position:relative;}
.triangle-left {
position:absolute;left:-10px;top:5px;
width: 0;
height: 0;
border-top: 6px solid transparent;
border-right: 10px solid rgb(29,98,169);
border-bottom: 6px solid transparent;
}
</style>
<title>menu导航样式</title>
</head>
<body>
<div class="main">
<ul>
<li>首页</li>
<li class="split">|</li>
<li>产品
<ul class="product">
<li>产品1
<ul class="proSub">
<li><div class="triangle-left"></div>产品1-1</li>
<li>产品1-2</li>
<li>产品1-3</li>
</ul>
</li>
<li>产品2
<ul class="proSub">
<li><div class="triangle-left"></div>产品2-1</li>
<li>产品2-2</li>
<li>产品2-3</li>
</ul>
</li>
<li>产品3</li>
</ul>
</li>
<li class="split">|</li>
<li>公司新闻</li>
<li class="split">|</li>
<li>行业新闻</li>
<li class="split">|</li>
<li>联系我们</li>
</ul>
</div>
<script>
$(function(){
$('.main>ul>li').mouseover(function(){
$(this).find('.product').slideDown(500);
console.log($(this).find('.product'));
console.log('OK')
})
$('.main>ul>li').mouseleave(function(){
$(this).find('.product').slideUp(500);
})
$('.product>li').mouseover(function(){
$(this).find('.proSub').slideDown(500);
})
$('.product>li').mouseleave(function(){
$(this).find('.proSub').slideUp(500);
})
})
</script>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-05-20 09:13:08
Teacher's summary：完成的不错。css样式学好，做出来的页面很绚丽。继续加油。