php广告图片循环播放 幻灯片效果，
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<style><span>
body{
width</span>:<span>430px;
margin</span>:<span>20px auto;
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p</span>.<span>now{
display</span>:<span>block;
width</span>:<span>400px;
height</span>:<span>200px;
overflow</span>:<span>hidden;
border</span>:1px solid <span>#</span><span>ccc;</span>
<span> }
li</span>.<span>now{
color</span>:<span>#</span><span>ccc;</span>
<span> }
li{
</span><span>list</span>-style:<span>none;
</span><span>float</span>:<span>left;
padding</span>:0<span> 10px;
margin</span>-bottom:<span>5px;
border</span>:1px solid <span>#</span><span>ccc;</span>
background:<span>#</span><span>eee;</span>
<span> }
</span><span>#</span><span>fd{</span>
<span>list</span>-style:<span>none;
</span><span>float</span>:<span>left;
padding</span>:0<span> 10px;
border</span>:1px solid <span>#</span><span>ccc;</span>
margin:0<span> auto;
background</span>:<span>#</span><span>eee;</span>
<span> }
img{
width</span>:<span>400px;
height</span>:<span>200px;
padding</span>:<span>1px;
</span><span>/*</span><span>padding-top:18px;</span><span>*/</span><span>
}
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<body>
<div id="fd">
<p <span>class</span>="now"><img src="./images/pic1.jpg" alt="php广告图片循环播放 幻灯片效果，" ></p>
<p>class</span>="now">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
</div>
<script>
<span>var</span> tags=$("fd").getElementsByTagName("li"); <span>//</span><span> 获取切换按钮节点</span>
<span>var</span> cats=$("fd").getElementsByTagName("p"); <span>//</span><span> 获取切换内容节点</span>
<span>var</span> <span>current</span>; <span>//</span><span> 高置当前帧的变量宣容器</span>
<span>var</span> timer=2000; <span>//</span><span> 设置2秒循环一次</span>
<span>function</span><span> disAll(){
</span><span>for</span>(<span>var</span> i=0; i<tags.length; i++<span>){
tags[i]</span>.className=""<span>;
cats[i]</span>.className=""<span>;
cats[i]</span>.style.display="none"<span>;
}
}
</span><span>function</span><span> setNow(){
</span><span>for</span>(<span>var</span> i=0; i<tags.length; i++<span>){
</span><span>if</span>(tags[i].className=="now"<span>){
</span><span>current</span>=<span>i;
}
}
}
</span><span>for</span>(<span>var</span> j=0; j<tags.length; j++<span>){
tags[j]</span>.onmouseover=<span>function</span><span>(){
clearInterval(h);
disAll();
this</span>.className="now"<span>;
setNow();
cats[</span><span>current</span>].style.display="block"<span>;
cats[</span><span>current</span>].className="now"<span>;
}
tags[j]</span>.onmouseout=<span>function</span><span>(){
setNow();
h</span>=setInterval("goNext()", 3000<span>);
}
}
</span><span>function</span><span> goNext(){
setNow();
</span><span>current</span>+=1<span>;
</span><span>if</span>(<span>current</span>>=parseInt(tags.<span>length)){
</span><span>current</span>=0<span>;
disAll();
cats[</span>0].style.display="block"<span>;
tags[</span>0].className="now"<span>;
cats[</span>0].className="now"<span>;
}</span><span>else</span><span>{
disAll();
cats[</span><span>current</span>].style.display="block"<span>;
cats[</span><span>current</span>].className="now"<span>;
tags[</span><span>current</span>].className="now"<span>;
}
}
</span><span>var</span> h=setInterval("goNext()",<span> timer);
</span><span>function</span><span> $(obj){
</span><span>return</span> document.<span>getElementById(obj);
}
</span></script>
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