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JavaScript实现图片轮播(未测试)

2016-07-22 13:31 357 查看

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.i
4000
ndex],'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>
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