JavaScript实现图片轮播详解编程语言

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> 

原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/8675.html

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