基于js仿汽车之家2015新版焦点图代码

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：

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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="images/1.jpg" alt="图1" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="images/2.jpg" alt="图2" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="images/3.jpg" alt="图3" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="images/4.jpg" alt="图4" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="images/5.jpg" alt="图5" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="images/6.jpg" alt="图6" /></a></li>

            <li><a href="http://www.w2bc.com/">

                <img src="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

            }

        }

via：http://www.w2bc.com/Article/28435