面向对象原生js幻灯片代淡出效果
下面是代码
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
- <title>无标题文档</title>
- </head>
- <body style="background:#CCC">
- <script type="text/javascript">
- var t=0;
- var c;
- function slidingClass(id){
- slidingClass.id=document.getElementById(id);
- slidingClass.timer="3000"
- }
- slidingClass.prototype={
- //获取img的个数
- imgL:function(tag){
- return slidingClass.id.getElementsByTagName(tag).length;
- },
- hidden:function(){
- var l=slidingClass.prototype.imgL("img");
- for(i=0;i<l; i++){
- if(i!=0){
- slidingClass.id.getElementsByTagName("img")[i].style.display="none";
- }else{
- slidingClass.id.getElementsByTagName("img")[i].style.display="block";
- }
- }
- },
- hh:function(num){
- slidingClass.id.getElementsByTagName("img")[num].style.display="none"
- },
- //淡入
- fadeIn:function(num){
- var v=0;
- var t=setInterval(function(){
- var id=slidingClass.id.getElementsByTagName("img")[num];
- id.style.display="block";
- id.style.position="absolute";
- id.style.zIndex="9";
- id.filters ? id.style.filter = 'alpha(opacity=' + (v+=10) + ')' : id.style.opacity = (v+=10)/100;
- if(v>=100){
- clearInterval(t);
- }
- },10)
- },
- show:function(num){
- var l=slidingClass.prototype.imgL("li");
- for(i=0;i<l; i++){
- slidingClass.id.getElementsByTagName("li")[i].onclick=function(){
- var t=this.innerHTML-1;
- slidingClass.prototype.show(t);
- slidingClass.prototype.fadeIn(t)
- slidingClass.prototype.hh(t==0 ? slidingClass.prototype.imgL("img")-1:t-1)
- slidingClass.prototype.show(t)
- }
- if(i!=num){
- slidingClass.id.getElementsByTagName("li")[i].className="";
- slidingClass.id.getElementsByTagName("img")[i].style.display="none";
- }else{
- slidingClass.id.getElementsByTagName("li")[i].className="hove";
- }
- }
- },
- //开始循环
- loop:function(){
- slidingClass.prototype.show(t);
- slidingClass.prototype.fadeIn(t)
- slidingClass.prototype.hh(t==0 ? slidingClass.prototype.imgL("img")-1:t-1)
- c=setTimeout("slidingClass.prototype.loop()",slidingClass.timer);
- //document.getElementById("n").innerHTML=noe;
- t++;
- t= t<slidingClass.prototype.imgL("img") ? t:0;
- slidingClass.id.onmousemove=function(){
- clearTimeout(c);
- }
- slidingClass.id.onmouseout=function(){
- c=setTimeout("slidingClass.prototype.loop()",slidingClass.timer);
- }
- },
- start:function(){
- slidingClass.prototype.hidden();
- slidingClass.prototype.loop();
- }
- }
- </script>
- <div id="n">
- </div>
- <div class="box" id="box">
- <img src="http://image.zcool.com.cn/bigPic/1359774079165.jpg" width="1083" height="350" />
- <img src="http://image.zcool.com.cn/bigPic/1359774008854.jpg" width="1083" height="350" />
- <img src="http://image.zcool.com.cn/bigPic/1359774064447.jpg" width="1083" height="350" />
- <ul id="li">
- <li>1</li>
- <li>2</li>
- <li>3</li>
- </ul>
- </div>
- <div class="shuming">
- 转载注明:本效果出自:<a href="http://suiyidian.cn">suiyidian.cn</a>
- </div>
- <style type="text/css">
- .box{
- width:1083px;
- height:350px;
- overflow:hidden;
- margin:200px auto 0px;
- border:3px #fff solid;
- position:relative;
- cursor:pointer;
- }
- .box img{filter:alpha(opacity=100)}
- #li{padding:0px; overflow:hidden; position:absolute; right:15px; bottom:15px; z-index:999; height:22px;}
- #li,#li *{ margin:0px; padding:0px}
- #li li{ display:inline; float:left; height:20px; line-height:20px; font-size:12px; width:20px; color:#fff; background:#093; border:1px solid #fff; text-align:center; margin-left:3px}
- #li li.hove{ background:#0C0; font-weight:bold}
- .shuming {
- background: none repeat scroll 0 0 #333333;
- border: 1px solid #FFFFFF;
- color: #FFFFFF;
- font-size: 12px;
- height: 20px;
- line-height: 20px;
- margin: 15px auto 0;
- text-align: center;
- width: 285px;
- }
- .shuming a{color:#fff; text-decoration:none}
- .shuming a:hover{ text-decoration:underline; color:red}
- </style>
- <script>
- var hd=new slidingClass("box");
- hd.start()
- </script>
- </body>
- </html>