核心提示：HTML!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN https://www.w3.org/TR/xhtml1/DTD/xht...
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<p id="tab">
<ul class="title">
</ul>
<p class="content">
<p class="main">
<img>
<ul>
</ul>
</p>
</p>
</p>
</body>
</html>
* {
margin: 0;
padding: 0;
}
ul {
list-style: none;
}
img {
border: 0;
}
#tab {
width: 1000px;
height: 500px;
margin: 50px auto;
}
#tab .title {
width: 200px;
height: 500px;
display: inline-block;
}
#tab .title li {
width: 200px;
height: 125px;
float: left;
line-height: 125px;
text-align: center;
font-size: 30px;
background: #f1f1f1;
border-bottom: 1px dotted #000;
}
#tab .title li.active {
background: #fff;
}
#tab .title li:hover {
background: #fff;
}
#tab .content {
width: 799px;
height: 500px;
float: right;
display: inline-block;
position: relative;
border: none;
border: none;
}
#tab .content img {
position: absolute;
top: 0;
left: 0;
width: 799px;
height: 500px;
}
#tab .content ul {
position: absolute;
width: 799px;
height: 45px;
bottom: 0;
left: 0;
filter(alpha: 80);
opacity: 0.8;
background: #000;
}
#tab .content ul li {
float: left;
height: 45px;
line-height: 45px;
background: #d5d5d5;
border-right: 1px solid #fff;
cursor: pointer;
text-align: center;
}
#tab .content ul li.active {
background: red;
}
#tab .content ul li:hover {
background: red;
}
JavaScript
window.onload = function() {
var tab = document.getElementById('tab');
var title = tab.getElementsByClassName('title')[0];
var titleLi = title.getElementsByTagName('li');
var main = tab.getElementsByClassName('main')[0];
var img = main.getElementsByTagName('img')[0];
var ul = main.getElementsByTagName('ul')[0];
var subtitleLi = ul.getElementsByTagName('li');
var arr = [{
title: '最热团购',
subtitle: ['最热团购1', '最热团购2', '最热团购3'],
pic: ['img/tab/1-1.png', 'img/tab/1-2.png', 'img/tab/1-3.png']
},
{
title: '商城特惠',
subtitle: ['商城特惠1', '商城特惠2', '商城特惠3', '商城特惠4'],
pic: ['img/tab/2-1.png', 'img/tab/2-2.png', 'img/tab/2-3.png', 'img/tab/2-4.png']
},
{
title: '名品推荐',
subtitle: ['名品推荐1', '名品推荐2', '名品推荐3', '名品推荐4', '名品推荐5'],
pic: ['img/tab/3-1.png', 'img/tab/3-2.png', 'img/tab/3-3.png', 'img/tab/3-4.png', 'img/tab/3-5.png']
},
{
title: '缤纷活动',
subtitle: ['缤纷活动1', '缤纷活动2', '缤纷活动3', '缤纷活动4'],
pic: ['img/tab/4-1.png', 'img/tab/4-2.png', 'img/tab/4-3.png', 'img/tab/4-3.png', ]
}];
// 初始化
for (var i = 0; i < arr.length; i++) {
// 大选项卡的标题
var oLi = document.createElement('li');
oLi.innerHTML = arr[i].title;
oLi.index = i;
oLi.onclick = function() {
highlight(this);
ul.innerHTML = '';
changeTab(this.index);
}
title.appendChild(oLi);
}
changeTab(0);
function changeTab(num) {
// 大选项卡的内容
img.src = arr[num].pic[1];
// 小标题
for (var j = 0; j < arr[num].subtitle.length; j++) {
oLi = document.createElement('li');
oLi.innerHTML = arr[num].subtitle[j];
oLi.style.width = Math.floor(parseInt(800 / arr[num].subtitle.length) - 2) + 'px';
oLi.index = j;
oLi.onclick = function() {
highlight(this);
this.parentNode.previousElementSibling.src = arr[num].pic[this.index];
}
ul.appendChild(oLi);
}
}
function highlight(ele) {
var aLi = ele.parentNode.children;
for (var i = 0; i < aLi.length; i++) {
aLi[i].className = '';
}
ele.className = 'active';
}
}
