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lsch9594
9年前发布

JavaScript实现图片轮播

test2.html  

<!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=utf-8" />  <title>无标题文档</title>  <script src="http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>    <style>    .img-div img{display:none;}    </style>  </head>    <body>    <div class="slide" id="slide">  <div class="img-div">   <img src="model.jpg" />      <img src="model2.jpg" />      <img src="model.jpg" />      <img src="model2.jpg" />      <img src="model.jpg" />  </div>    <div class="slide-btn">  <a  href="#" class="hover">1</a>  <a  href="#" class="hover">2</a>  <a  href="#" class="hover">3</a>  <a  href="#" class="hover">4</a>  <a  href="#" class="hover">5</a>  </div>    </div>    <script type="text/javascript">      var zBase=  {   $id:function(id){return document.getElementById(id);},   $tagName:function(tagName,obj){return ((obj?obj:document).getElementsByTagName(tagName));},   $c:function(clsN,obj)   {    var tag=this.$tagName('*'),reg=new  RegExp('(^|\\s)'+clsN+'(\\s|$)'),arr=[];      for(var i=0;i<tag.length;i++)    {     if(reg.test(tag[i].className))     {      arr.push(tag[i]);      }     }    return arr;       },      $add:function(obj,clsN)   {    var reg=new  RegExp('(^|\\s)'+clsN+'(\\s|$)');        if(!reg.test(obj.className))    {     obj.className+=' '+clsN;     }    },      $remove:function(obj,clsN)   {    var  cla=obj.className;    var reg='/|\\s*'+clsN+'\\b/g';    obj.className=cla?cla.replace(eval(reg),''):'';    },      css:function(obj,attr,value)   {    if(value)    {     obj.style[attr]=value;     }     else    {     return  typeof  window.getComputedStyle!="undefined"?window.getComputedStyle(obj,null)[attr]:obj.currentStyle[attr];     }   },   easing:    {     liner:function(t,b,c,d){return c*t/d+b},     easeOut:function(t,b,c,d){return  -c*((t=t/d-1)*t*t*t-1)+b}    },        config:    {     index:0,     auto:true,     direct:'left'     },        init:function()    {     this.slide=this.$id('slide');     this.img_div=this.$c('img-div')[0];     this.slide_btn=this.$tagName('a',this.$c('slide-btn')[0]);     this.img_arr=this.$tagName('img',this.img_div);                   if(this.config.auto){this.play();}     this.hover();          },        animate:function(obj,attr,val)    {     var d=1000;          if(obj[attr+"timer"]){clearInterval(obj[attr+"timer"])};          var start= parseInt(zBase.css(obj,attr));     var space=val-start,st=(new Date().getTime()),m=space>0?'cell':'floor';          obj[attr+'timer']=setInterval(function(){      var t=(new Date().getTime()-st);      if(t<d)      {         zBase.css(obj,attr,Math[m](zBase.easing["easeOut"](t,start,space,d))+"px");      }      else      {       clearInterval(obj[attr+'timer']);       zBase.css(obj,attr,top+space+"px");      }          },20);              },        hover:function()     {      for(var  i=0;i<this.slide_btn.length;i++)      {       this.slide_btn[i].index=i;       this.slide_btn[i].onmouseover=function()       {        if(zBase.slide.timer)        {         clearInterval(zBase.slide.timer);         }                 zBase.config.index=this.index;                        //console.log(this.slide_btn);                for(var j=0;j<zBase.slide_btn.length;j++)        {         zBase.$remove(zBase.slide_btn[j],'hover');                  }                zBase.$add(zBase.slide_btn[zBase.config.index],'hover');        zBase.animate(zBase.img_div,zBase.config.direct,-zBase.config.index*1000);           }              this.slide_btn[i].onmouseout=function()       {        zBase.play();        }      }          },     play:function(){      this.slide.timer = setInterval(function(){              var tags=zBase.$tagName('img',this.img_div);       //zBase.$tagName('img',this.img_div)[zBase.config.index].style.display="block";                     for(var i =0;i<tags.length;i++)       {       if(zBase.config.index==i)       {        zBase.$tagName('img',this.img_div)[zBase.config.index].style.display="block";       }        else       {        zBase.$tagName('img',this.img_div)[i].style.display="none";        }       }                      zBase.config.index++;       if(zBase.config.index>=zBase.img_arr.length) zBase.config.index=0;       zBase.animate(zBase.img_div,zBase.config.direct,-zBase.config.index*500);         for(var j=0;j<zBase.slide_btn.length;j++){         zBase.$remove(zBase.slide_btn[j],'hover') ;         }         zBase.$add(zBase.slide_btn[zBase.config.index],'hover');      },3000)     }     }             zBase.init();       </script>      </body>  </html>