javascript 仿flash焦点图片切换代码

时间：2022-07-02 14:46:34 编辑：袖梨来源：一聚教程网

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body{ font-size:12px; color:#333;}
#picBox{  margin:50px auto; overflow:hidden; position:relative;}
#picBox ul#show_pic{ margin:0; padding:0; list-style:none;   position:absolute;}
#picBox ul#show_pic li{ float:left; margin:0; padding:0; }
#picBox ul#show_pic li img{ display:block;}
#icon_num{ position:absolute; bottom:0px; right:10px;}
#icon_num li{ float:left; background:url(http://pc.***qq.com/pc/images/<a href="https://www.11**1c*n.net/flash_a/flash.html" target="_blank">flashbutton.gif) no-repeat -15px 0;  list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num li:hover,#icon_num li.active{ background:url(http://pc.***qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
#picBox_top{  margin:50px auto; position:relative; overflow:hidden;}
#picBox_top ul#show_pic_top{ margin:0; padding:0; list-style:none;   position:absolute;}
#picBox_top ul#show_pic_top li{ float:left; margin:0; padding:0; }
#picBox_top ul#show_pic_top li img{ display:block;}
#icon_num_top{ position:absolute; bottom:0px; right:10px;}
#icon_num_top li{ float:left; background:url(http://pc.***qq.com/pc/images/flashbutton.gif) no-repeat -15px 0;  list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num_top li:hover,#icon_num_top li.active{ background:url(http://pc.***qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}</style></p>
<div id="picBox">
<ul id="show_pic" style="left: 0px">
    <li>
    </li>
<li>
    </li>
<li>
    </li>
<li>
    </li>
<li>
</li>
</ul>
<ul id="icon_num">
    <li class="active">1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
</ul>
</div>
<p> </p>
<p> 中国WEB第一站<script type="text/javascript">
/**
 *glide.layerGlide((oEventCont,oSlider,sSingleSize,sec,fSpeed,point);
 *@param auto type:bolean 是否自动滑动 当值是true的时候 为自动滑动
 *@param oEventCont type:object 包含事件点击对象的容器
 *@param oSlider type:object 滑动对象
 *@param sSingleSize type:number 滑动对象里单个元素的尺寸（width或者height）  尺寸是有point 决定
 *@param second type:number 自动滑动的延迟时间  单位/秒
 *@param fSpeed type:float   速率 取值在0.05--1之间 当取值是1时  没有滑动效果
 *@param point type:string   left or top
 */
var glide =new function(){
	function $id(id){return document.getElementById(id);};
	this.layerGlide=function(auto,oEventCont,oSlider,sSingleSize,second,fSpeed,point){
		var oSubLi = $id(oEventCont).getElementsByTagName('li');
		var interval,timeout,oslideRange;
		var time=1; 
		var speed = fSpeed 
		var sum = oSubLi.length;
		var a=0;
		var delay=second * 1000; 
		var setValLeft=function(s){
			return function(){
				oslideRange = Math.abs(parseInt($id(oSlider).style[point]));	
				$id(oSlider).style[point] =-Math.floor(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';		
				if(oslideRange==[(sSingleSize * s)]){
					clearInterval(interval);
					a=s;
				}
			}
		};
		var setValRight=function(s){
			return function(){	 	
				oslideRange = Math.abs(parseInt($id(oSlider).style[point]));							
				$id(oSlider).style[point] =-Math.ceil(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
				if(oslideRange==[(sSingleSize * s)]){
					clearInterval(interval);
					a=s;
				}
			}
		}
		
		function autoGlide(){
			for(var c=0;c<sum;c++){oSubLi[c].className='';};
			clearTimeout(interval);
			if(a==(parseInt(sum)-1)){
				for(var c=0;c<sum;c++){oSubLi[c].className='';};
				a=0;
				oSubLi[a].className="active";
				interval = setInterval(setValLeft(a),time);
				timeout = setTimeout(autoGlide,delay);
			}else{
				a++;
				oSubLi[a].className="active";
				interval = setInterval(setValRight(a),time);	
				timeout = setTimeout(autoGlide,delay);
			}
		}
	
		if(auto){timeout = setTimeout(autoGlide,delay);};
		for(var i=0;i<sum;i++){	
			oSubLi[i].onmouseover = (function(i){
				return function(){
					for(var c=0;c<sum;c++){oSubLi[c].className='';};
					clearTimeout(timeout);
					clearInterval(interval);
					oSubLi[i].className="active";
					if(Math.abs(parseInt($id(oSlider).style[point]))>[(sSingleSize * i)]){
						interval = setInterval(setValLeft(i),time);
						this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
					}else if(Math.abs(parseInt($id(oSlider).style[point]))<[(sSingleSize * i)]){
							interval = setInterval(setValRight(i),time);
						this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
					}
				}
			})(i)			
		}
	}
}
glide.layerGlide(true,'icon_num','show_pic',610,2,0.1,'left');
</script></p>

提示：您可以先修改部分代码再运行

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