JS水纹切片特效的多幅图片切换效果_图片特效特效

JS水纹切片特效的多幅图片切换效果，带标题，是上个版本的完善版，每张图片可以新增说明性的标题，更具用户体验，设计漂亮美观，有可选参数自定义，兼容多浏览器，希望提出宝贵意见。

<!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" mrc="text/html; charset=utf-8" />
<title>图片切换</title>
<style type="text/css">
*{margin:0;padding:0;border:0;list-style:none;}
body{font:12px/1.5 Verdana, Geneva, sans-serif;background:url(http://p1.mb5u.com/texiao/1/20110225160549594.gif) center -40px no-repeat;}/*载入画面*/
.mF_liuzg .pic li{width:450px;position:relative;overflow:hidden;*margin-top:-2px;}
.mF_liuzg .pic li p{width:450px;position:absolute;}
.mF_liuzg .pic li p a{display:block;}/*图片和焦点图框架一样大小*/
.mF_liuzg .pic li p img{width:450px;height:296px;}
.mF_liuzg .txt li{position:absolute;z-index:2;bottom:0;width:450px;height:36px;line-height:34px;overflow:hidden;display:none;}
.mF_liuzg .txt li a{display:block;color:#fff;padding:2px 0 0 16px;font-size:14px;font-weight:bold;text-decoration:none;}/*标题样式*/
.mF_liuzg .txt-bg{position:absolute;bottom:0;z-index:1;width:450px;height:36px;overflow:hidden;background:#000;filter:alpha(opacity=40);opacity:0.4;}/*标题背景*/
.mF_liuzg .num{position:absolute;z-index:3;bottom:6px;right:8px;color:#333;}/*按钮样式*/
.mF_liuzg .num li{float:left;width:22px;height:18px;position:relative;border:1px solid #333;line-height:18px;text-align:center;margin-right:3px;cursor:pointer;background:#aaa;filter:alpha(opacity=90);opacity:0.9;}
.mF_liuzg .num li.current,.mF_liuzg .num li.hover{background:#f60;color:#fff;font-weight:bold;height:20px;line-height:20px;top:-2px;}
</style>
<script type="text/javascript">
var myFocus={
	$:function(id){return document.getElementById(id);},
	$$:function(tag,obj){return (typeof obj=='object'?obj:this.$(obj)).getElementsByTagName(tag);},
	style:function(obj,style){return (+[1,])?window.getComputedStyle(obj,null)[style]:obj.currentStyle[style];},//getStyle简化版
	easeOut:function(t,b,c,d){return -c*((t=t/d-1)*t*t*t - 1) + b;},
	move:function(obj,prop,val,type,spd,fn){//运动函数，spd为运动需要的时间，时间越大速度越小
		var t=0,b=parseInt(this.style(obj,prop)),c=val-b,d=spd||50,st=type,m=c>0?'ceil':'floor';
		if(obj[prop+'Timer']) clearInterval(obj[prop+'Timer']);
		obj[prop+'Timer']=setInterval(function(){
			if(t<d){obj.style[prop]=Math[m](myFocus[st](++t,b,c,d))+'px';}
			else {clearInterval(obj[prop+'Timer']);fn&&fn.call(obj);}
		},10);return this;
	},
	addList:function(obj,cla,x){//生成HMTL,cla为列表的class,其中封装有:cla='txt'(生成alt文字),cla='num'(生成按钮数字),cla='thumb'(生成小图)
		var s=[],n=x||this.$$('li',this.$$('ul',obj)[0]).length,num=cla.length;
		for(var j=0;j<num;j++){
			s.push('<ul class='+cla[j]+'>');
			for(var i=0;i<n;i++){s.push('<li>'+(cla[j]=='num'?(i+1):(cla[j]=='txt'?this.$$('li',obj)[i].innerHTML.replace(/\<img.*?\>/i,this.$$('img',obj)[i].alt):(cla[j]=='thumb'?'<img src='http://p1.mb5u.com/texiao/1/20110225160549595.$$('img',obj)[i].getAttribute("thumb")||this.$$('img',obj)[i].src)+' />':'')))+'<span></span></li>')};
			s.push('</ul>');
		}; obj.innerHTML+=s.join('');
	},
	setting:function(par){
		if(window.attachEvent){window.attachEvent('onload',function(){myFocus[par.style](par)});}
　　		else{window.addEventListener('load',function(){myFocus[par.style](par)},false);}
	},
	mF_liuzg:function(par){
		var box=this.$(par.id),boxH=box.offsetHeight,t=par.time*1000;
		this.addList(box,['txt-bg','txt','num']);
		var pic=this.$$('li',this.$$('ul', box)[0]),n=pic.length;
		var c=boxH%par.chip?8:par.chip,h=boxH/c,pics=[];
		for(var i=0;i<c;i++){
			pics.push('<li><p>')
			for(var j=0;j<n;j++) pics.push(pic[j].innerHTML);
			pics.push('</p></li>')
		}
		this.$$('ul', box)[0].innerHTML=pics.join('');
		var ul=this.$$('ul',box),txt=this.$$('li',ul[2]),btn=this.$$('li',ul[3]),pic=this.$$('li',ul[0]);
		for(var i=0;i<c;i++){//初始化样式设置
			this.$$('p',pic[i])[0].style.top=-i*h+'px';
			pic[i].style.height=h+'px';
			this.$$('p',pic[i])[0].style.height=boxH*c+'px';
		}
		var index = 0;//开始显示的序号
		box.removeChild(this.$$('div',box)[0]);
		var run = function(idx) {
			var tt=par.type==4?Math.round(1+(Math.random()*(3-1))):par.type;//效果选择
			btn[index].className = '';
			txt[index].style.display='none';
            if(index==n-1) index=-1;
			var N=idx!=undefined?idx:index+1;
			var spd=tt==2?20:(tt==1?80:Math.round(20+(Math.random()*(80-20))));
			for(var i=0;i<c;i++){
				if(tt==3) spd=Math.round(20+(Math.random()*(80-20)));
				myFocus.move(myFocus.$$('p',pic[i])[0],'top',-N*c*h-i*h,'easeOut',spd);
				spd=tt==2?spd+10:(tt==1?spd-10:spd);
			}
			btn[N].className = 'current';
			txt[N].style.display='block';
            index = N;
        }
		run(index);
		var auto=setInterval(function(){run()},t);
		for (var j=0;j<n;j++){
			btn[j].j=j;
			btn[j].onclick=function(){if(!this.className) run(this.j)}
		}
		box.onmouseover=function(){clearInterval(auto);}
    	box.onmouseout=function(){auto=setInterval(function(){run()},t);}
		for(var i=0,lk=this.$$('a',box),ln=lk.length;i<ln;i++) lk[i].onfocus=function(){this.blur();}//去除虚线框
	}
};
myFocus.setting({
	style:'mF_liuzg',//style为风格样式，
	id:'myFocus',//焦点图ID
	chip:8,//图片切片数量，能被焦点图的高整除才有效，默认为8片
	type:4,//切片效果，1为甩头，2为甩尾，3为凌乱，4为随机效果
	time:4//每帧图片时间间隔
});//更多样式设置留意myFocus正式版
</script>
</head>
<body>
<div id="myFocus" class="mF_liuzg">
	<div class="loading"><span>正在载入图片……</span></div>
    <ul class="pic">
    <li><a href="#"><img src="http://p1.mb5u.com/texiao/1/20110225160549596.jpg" alt="世界十大旅游胜地" /></a></li>
        <li><a href="#"><img src="http://p1.mb5u.com/texiao/1/20110225160549597.jpg" alt="英国乡村" /></a></li>
        <li><a href="#"><img src="http://p1.mb5u.com/texiao/1/20110225160549598.jpg" alt="中国风光" /></a></li>
        <li><a href="#"><img src="http://p1.mb5u.com/texiao/1/20110225160549599.jpg" alt="春来叶绿" /></a></li>
    </ul>
</div>
</body>
</html>

所属频道：图片特效特效/更新时间：2012-11-17

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