ul.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>仿高德</title>
<script src='jquery-3.3.1.js'></script>
<style>
body,div,ul,li{
padding:0;
margin:0;
}
.header{
height:70px;
min-width:1280px;
background: #000;
}
.header-core{
width:1220px;
margin:0 auto;
}
.logo img{
width: 307px;
height: 42px;
display: inline-block;
margin: 14px 23px 0 0;
}
.header ul{
display: inline-block;
color: #fff;
position: relative;
top: -16px;
}
.header ul li{
list-style:none;
display:inline-block;
width:84px;
margin-right:14px;
}
ul li{
list-style:none;
}
.header ul li:hover{
color:red;
}
.header ul li a{
text-decoration:none;
}
input{
background:rgb(79, 88, 98);
border-radius: 10px;
width: 86px;
height: 30px;
border: none;
position: relative;
top: -16px;
}
.ct ul{
width:1000px;
margin:16px auto;
}
.ct ul li{
background:#efefef;
width: 240px;
height: 240px;
margin:25px;
position:relative;
display:inline-block;
opacity:1;
}
.intro{
padding:25px;
}
.mask{
opacity:0;
background-color: rgba(0, 0, 0, .6);
position:absolute;
top:0;
left:0;
}
.ct ul li:hover .mask {
opacity: 1;
background-color: rgba(0, 0, 0, .6);
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
color: #fff;
}
.ct2 ul{
position:relative;
height: 320px;
}
.ct2 ul li{
background-color: rgba(0, 0, 0, 0.6);
position:absolute;
bottom: 0;
transition:height 0.4s;
}
.ct2 ul li:before{
content:'';
background:#a3a3a3;
position:absolute;
width: 240px;
height: 240px;
opacity:0.5;
}
.ct2 ul .li-0{
margin-left:0;
background-image:url("img/1.jpg");
background-size:contain;
z-index:10;
}
.ct2 ul .li-1{
margin-left:120px;
background-image:url("img/2.jpg");
background-size:contain;
}
.ct2 ul .li-2{
margin-left:240px;
background-image:url("img/3.jpg");
background-size:contain;
z-index:10;
}
.ct2 ul li.current {
z-index:999;
width: 240px;
height: 280px;
margin-top: -15px;
}
.ct2 ul li.current:before {
opacity:0;
}
</style>
</head>
<body>
<div class="header">
<div class="header-core">
<a class="logo" href="#"><img src="https://lbs.amap.com/web/public/dist/images/logo_white_2x.cad826.png"/></a>
<ul>
<li>产品介绍</li>
<li>开发支持</li>
<li>解决方案</li>
<li>高德位智</li>
<li>商务合作</li>
</ul>
<input>
</div>
<div class="header-radight">
<a></a>
</div>
</div>
<div class="ct">
<ul>
<li>
<div class="intro">
<div>产品介绍</div>
<div class="mask">qweeeeeeeee</div>
</div>
</li>
<li>
<div class="intro">
<div>产品介绍</div>
<div class="mask">qweeeeeeeee</div>
</div>
</li>
<li>
<div class="intro">
<div>产品介绍</div>
<div class="mask">qweeeeeeeee</div>
</div>
</li>
</ul>
</div>
<div class="ct ct2">
<ul class="ct2ul">
<li class="li-0">
<div class="intro">
<div>产品介绍</div>
</div>
</li>
<li class="li-1 current">
<div class="intro">
<div>产品介绍</div>
</div>
</li>
<li class="li-2">
<div class="intro">
<div>产品介绍</div>
</div>
</li>
</ul>
</div>
<script>
$("ul.ct2ul li").hover(function(){
console.log($(this).index())
$('ul.ct2ul li').removeClass('current');
$(this).addClass('current');
let currentIndex = $(this).index;
$(this).css("z-index",999)
let total = 3;
let pre = $(this);
let next = $(this);
let zindex = 10
for(let i = 0;i<total;i++){
if(pre.prev().length>0){
pre = pre.prev();
console.log("pre",pre.attr("class") ,i)
pre.css("z-index",10-i)
}
if(next.next().length>0){
next = next.next();
console.log("next",next.attr("class") ,i)
next.css("z-index",10-i)
}
}
})
</script>
</body>
</html>