今天给大家分享一款仿汽车之家2015新版焦点图代码。这是一款基于jQuery实现的适合电子商务网站或者企业产品展示功能特效。效果图如下：
实现的代码。
html代码：
<div id="box">
<div class="prev">
</div>
<div class="next">
</div>
<ul class="bigUl">
<li style="z-index: 1"><a href="http://www.w2bc.com/">
<img src="data:images/1.jpg" alt="图1" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/2.jpg" alt="图2" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/3.jpg" alt="图3" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/4.jpg" alt="图4" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/5.jpg" alt="图5" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/6.jpg" alt="图6" /></a></li>
<li><a href="http://www.w2bc.com/">
<img src="data:images/7.jpg" alt="图7" /></a></li>
</ul>
<ul class="numberUl">
<li class="night"><a href="javascript:;">1</a></li>
<li><a href="javascript:;">2</a></li>
<li><a href="javascript:;">3</a></li>
<li><a href="javascript:;">4</a></li>
<li><a href="javascript:;">5</a></li>
<li><a href="javascript:;">6</a></li>
<li><a href="javascript:;">7</a></li>
</ul>
<div>
<ul class="textUl">
<li style="display: block;"><a href="http://www.w2bc.com/">定位精品路线 原创试驾奇瑞艾瑞泽3</a></li>
<li><a href="http://www.w2bc.com/">锂电池是亮点 米儿低速电动车设计解读</a></li>
<li><a href="http://www.w2bc.com/">舒适及操控更上一层楼 测试长安金欧诺</a></li>
<li><a href="http://www.w2bc.com/">外观动感/配置丰富 天籁2.0L用车记</a></li>
<li><a href="http://www.w2bc.com/">走到哪都信心十足 普拉多用车心得</a></li>
<li><a href="http://www.w2bc.com/">全新东风标致508 驾乘尽享的中高级杰座</a></li>
<li><a href="http://www.w2bc.com/">C4L 动力快人一步礼遇更胜一筹</a></li>
</ul>
</div>
</div>
js代码：
window.onload = function () {
var oBox = document.getElementById('box');
var oPrev = getByClass(oBox, 'prev')[0];
var oNext = getByClass(oBox, 'next')[0];
var oBigUl = getByClass(oBox, 'bigUl')[0];
var aLiBig = oBigUl.getElementsByTagName('li');
var oNumUl = getByClass(oBox, 'numberUl')[0];
var aLiNumber = oNumUl.getElementsByTagName('li');
var oTextUl = getByClass(oBox, 'textUl')[0];
var aLiText = oTextUl.getElementsByTagName('li');
var nowZindex = 1;
var now = 0;
function tab() {
for (var i = 0; i < aLiNumber.length; i++) {
aLiNumber[i].className = '';
}
aLiNumber[now].className = 'night';
aLiBig[now].style.zIndex = nowZindex++;
aLiBig[now].style.opacity = 0;
startMove(aLiBig[now], 'opacity', 100);
for (var i = 0; i < aLiText.length; i++) {
aLiText[i].style.display = 'none';
}
aLiText[now].style.display = 'block'
}
for (var i = 0; i < aLiNumber.length; i++) {
aLiNumber[i].index = i;
aLiNumber[i].onclick = function () {
if (this.index == now) return;
now = this.index;
tab();
}
}
oNext.onmouseover = oPrev.onmouseover = oBigUl.onmouseover = function () {
startMove(oPrev, 'opacity', 100);
startMove(oNext, 'opacity', 100)
}
oNext.onmouseout = oPrev.onmouseout = oBigUl.onmouseout = function () {
startMove(oPrev, 'opacity', 0);
startMove(oNext, 'opacity', 0)
}
oPrev.onclick = function () {
now--
if (now == -1) {
now = aLiNumber.length - 1;
}
tab();
}
oNext.onclick = function () {
now++
if (now == aLiNumber.length) {
now = 0;
}
tab();
}
var timer = setInterval(oNext.onclick, 3000)
oBox.onmouseover = function () {
clearInterval(timer)
}
oBox.onmouseout = function () {
timer = setInterval(oNext.onclick, 3000)//改变速度修改3000 ，例如3000=3秒钟
}
}