滑动图片时钟

HTML

<ul id="box">
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
	<li>
		<i></i>
	</li>
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
	<li>
		<i></i>
	</li>
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
	<li>
		<div>
			<img src="img/0.png"/>
			<img src="img/0.png"/>
		</div>
	</li>
</ul>

CSS

*{
	margin: 0;
	padding: 0;
}
ul{
	height: 100px;
	margin: 50px 0 0 100px;
	overflow: hidden;
}
#box li{
	 80px;
	height: 100px;
	position: relative;
	float: left;
	list-style: none;
}
#box div{
	 80px;
	position: absolute;
	left: 0;
	top: 0;
}
img{
	 80px;
	height: 100px;
	display: block;
	vertical-align: top;
}
i{
	display: block;
	 80px;
	height: 100px;
	background: url(img/radio.png) no-repeat;
	background-size: 100% 100%;
	opacity: 1;
}

JS

	var oBox=document.getElementById("box");
	var aDiv=oBox.getElementsByTagName("div");
	var aImg=document.getElementsByTagName("img");
	var is=document.getElementsByTagName("i");
	var imgArray=["img/0.png","img/1.png","img/2.png","img/3.png","img/4.png","img/5.png","img/6.png","img/7.png","img/8.png","img/9.png","img/radio.png"];
	
	
	//页面一打开获取的时间
	var oldTimer=getTimer();
	for (var i=0;i<oldTimer.length;i++) {
		aImg[i*2].src=imgArray[oldTimer[i]];
	}
	
	setInterval(function(){
		//不断更新的时间
		var newTime=getTimer();
		for (var i=0;i<newTime.length;i++) {
			//拿上次的时间和这次的时间进行对比，如果有变化就切换图片
			if(oldTimer[i] != newTime[i]){
				slied(i,newTime[i]);
			}
			//更新时间
		}
		oldTimer = newTime;
	},1000)
	//图片滑动实现
	
	function slied(n,time){
		var imgs =aDiv[n].getElementsByTagName('img');
		imgs[1].src = imgArray[time];
		moveTo(aDiv[n],'top',-100,10,function(){
			imgs[0].src = imgArray[time];
			aDiv[n].style.top="";
		});
	}
	
	//获取时间函数
	function getTimer(){
		var timer=new Date();
		var s=timer.getSeconds();
		var m=timer.getMinutes();
		var h=timer.getHours();
		var str=zero(h)+zero(m)+zero(s);
		return str;
	}
	//补零函数
	function zero(n){
		if(n<10){
			return n="0"+n;
		}else{
			return n=""+n;
		}
	}
	
	//点闪动
	setInterval(function(){
		setTimeout(function(){
			for (var i=0;i<is.length;i++) {
				if(getStyle(is[i],"opacity")==1){
					is[i].style.opacity=0;
				}else{
					is[i].style.opacity=1;
				}
			}
		},500)
	},500)
	
	//运动函数
	function moveTo(obj,attr,target,dir,endFn){
	    clearInterval(obj.timer);
	    //解决dir正负的问题:当原始值小于目标值时dir为正值，否则为负值
	    dir=parseInt(getStyle(obj,attr))<target?dir:-dir;
	    obj.timer=setInterval(function(){
	        var speed=parseInt(getStyle(obj,attr))+dir;//步长
	        //当元素到达目标点时，停在目标点停止运动
	        if(speed>target&&dir>0||speed<target&&dir<0){
	            speed=target;
	        }
	        obj.style[attr]=speed+"px";
	         
	        //清除定时器
	        if(speed==target){
	            clearInterval(obj.timer);
	            if(endFn){
	                endFn();
	            }
	        }
	    },30)
	}
	//获取元素样式函数
	function getStyle(obj,attr){
		if(obj.currentStyle){
			return obj.currentStyle(attr);
		}else{
			return getComputedStyle(obj)[attr];
		}
	}