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JavaScript图片轮播代码分享

网络编程 2021-07-04 21:48www.168986.cn编程入门
这篇文章主要介绍了javascript实现图片自动轮播切换特效，图片可以自行替换，推荐给大家，有需要的小伙伴可以参考下。

为大家分享的JavaScript图片轮播代码如下

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://.w3./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://.w3./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./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,+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>

以上就是为大家分享的JavaScript图片轮播代码，希望大家可以喜欢。

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