一款双向无缝+按钮定位的焦点图实现代码

<!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>myFocus - tbhuabao</title> 
<style type="text/css"> 
*{margin:0;padding:0;border:0;list-style:none;} 
body{background:#fff;padding:20px;} 
/*=========mF_tbhuabao========*/ 
.mF_tbhuabao {background:#ddd;border:10px solid #333;overflow:visible;} 
.mF_tbhuabao .pic,.mF_tbhuabao .win{position:absolute;top:0;left:0;overflow:hidden;} 
.mF_tbhuabao .pic li{position:relative;float:left;overflow:hidden;} 
.mF_tbhuabao .txt li{position:absolute;z-index:2;width:100%;height:38px;line-height:38px;display:none;}/*默认标题高度*/ 
.mF_tbhuabao .txt li a{display:block;position:relative;z-index:1;color:#fff;padding-left:16px;font-size:14px;font-weight:bold;text-decoration:none;}/*标题样式*/ 
.mF_tbhuabao .txt li span{display:block;height:100%;position:absolute;top:0;left:0;background:#000;filter:alpha(opacity=30);opacity:0.3;} 
.mF_tbhuabao .dot{position:absolute;bottom:0;left:0;height:32px;line-height:28px;width:100%;text-align:center;} 
.mF_tbhuabao .dot li{display:inline;margin:0 3px;} 
.mF_tbhuabao .dot li a{color:#999;font-size:26px;text-decoration:none;} 
.mF_tbhuabao .dot li.current a{color:#f60;} 
.mF_tbhuabao .prev,.mF_tbhuabao .next{font:700 53px/58px arial;width:37px;height:65px;overflow:hidden;position:absolute;z-index:4;left:-20px;cursor:pointer;background:url(http://547d.ipc.la/img/myfocus/btn-bg.gif) no-repeat;} 
.mF_tbhuabao .next{left:auto;right:-20px;} 
.mF_tbhuabao .prev a,.mF_tbhuabao .next a{display:block;color:#bbb;text-align:center;text-decoration:none;} 
.mF_tbhuabao .prev a:hover,.mF_tbhuabao .next a:hover{color:#f60;} 
</style> 
<script type="text/javascript"> 
eval(function(p,a,c,k,e,d){e=function(c){return(c35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--){d[e(c)]=k[c]||e(c)}k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1};while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c])}}return p}('o B={$:7(1h){q 1k.3i(1h)},$$:7(16,6){q(28 6==\'33\'?6:9.$(6)).1l(16)},$$1A:7(16,6){o C=[],n=0,a=6.1l(16);J(o i=0;iI?I:(v<0?0:v);6.f.39="1B(N="+v+")";6.f.N=(v/I)}P q(!+[1,])?((6.2a.1B)?6.2a.1B.N:I):((6.f.N)?6.f.N*I:I)},R:7(6,T,1j,24,U,O){o E=T==\'N\'?1s:D,1x=9.f(6,T),27=28 1j===\'38\';8(E&&9.f(6,\'1o\')==\'1U\'){6.f.1o=\'34\';9.E(6,0)}o t=0,b=E?9.E(6):2n(1x==\'G\'?0:1x),c=27?1j/1:1j-b,d=24||36,1W=U||\'25\',m=c>0?\'3d\':\'2y\';8(6[T+\'19\'])1i(6[T+\'19\']);6[T+\'19\']=1u(7(){8(E&&t<d){B.E(6,1J[m](B[1W](++t,b,c,d)))}P 8(!E&&t<d){6.f[T]=1J[m](B[1W](++t,b,c,d))+\'x\'}P{8(E&&1j==0){6.f.1o=\'1U\'}1i(6[T+\'19\']);O&&O.3m(6)}},10);q 9},3k:7(6,F,O){9.R(6,\'N\',I,F==Y?20:F,\'1R\',O);q 9},3j:7(6,F,O){9.R(6,\'N\',0,F==Y?20:F,\'1R\',O);q 9},2p:7(6,1M,F,26,O){J(o p 2G 1M)9.R(6,p,1M[p],F,26,O);q 9},3o:7(6){o R=[\'1v\',\'2H\',\'23\',\'31\',\'K\',\'S\',\'N\'];J(o i=0;i<R.L;i++)8(6[R[i]+\'19\'])1i(6[R[i]+\'19\']);q 9},1D:7(p){o 17=[],h=p.S||2Q,14=1k.2J(\'f\');14.U=\'1K/17\';8(p.1z)9.1z([9.$(p.1h)],p.f+\'2N\');8(p.17!==D)17.1a(\'.\'+p.f+\' *{2M:0;2b:0;2K:0;2L-f:1U;}.\'+p.f+\'{1L:2h;K:\'+p.K+\'x;S:\'+h+\'x;1Y:1T;2Y:2Z/1.5 2R,2X,2W-2S;2c:#2i;}.\'+p.f+\' .1N{1L:2T;z-k:2U;K:I%;S:I%;2V:#3l;1K-3p:2j;2b-23:\'+0.3*h+\'x;2c:#2i 3U(3V://3W.3X.3T/3Z/3O/3P-1N.3Q) 2j \'+0.4*h+\'x 3Y-43;}.\'+p.f+\' .41{1L:2h;K:\'+p.K+\'x;S:\'+h+\'x;1Y:1T;}.\'+p.f+\' .1d y,.\'+p.f+\' .1d y 1Q,.\'+p.f+\' .1d-3S{K:\'+p.K+\'x;S:\'+p.2g+\'x!2d;3M-S:\'+p.2g+\'x!2d;1Y:1T;}.\'+p.f+\' .1d y p a{1o:3y;}\');8(14.2e){14.2e.3z=17.1F(\'\')}P{14.1e=17.1F(\'\')}o 1y=9.$$(\'3v\',1k)[0];1y.2I(14,1y.3r)},3s:7(w){8(1q.2f){(7(){3t{B.$(w.1h).H+=\' \'+w.f;B.1D(w)}3A(e){2t(3B.3I,0)}})();1q.2f(\'3J\',7(){B[w.f](w)})}　　P{1k.2k("3K",7(){B.$(w.1h).H+=\' \'+w.f;B.1D(w)},D);1q.2k(\'3H\',7(){B[w.f](w)},D)}},3G:7(6,u){o s=[],X=9.$$(\'X\',6)[0],y=9.$$1A(\'y\',X),A,n=y.L,1H=u.L;J(o j=0;j<1H;j++){s.1a(\'<X 2C=\'+u[j]+\'>\');J(o i=0;i<n;i++){A=9.$$(\'A\',y[i])[0];s.1a(\'<y>\'+(u[j]==\'1H\'?(\'\'+(i+1)+\'\'):(u[j]==\'1d\'&&A?y[i].1e.1Z(/\\<\\/a\\>)/i,A.3D+\'\')+\'<p>\'+A.2l("1K")+\'</p>\':(u[j]==\'22\'&&A?\'\':\'\')))+\'<1Q></1Q></y>\')};s.1a(\'</X>\')};6.1e+=s.1F(\'\')},1z:7(C,u){o 1c=1k.2J(\'1c\');1c.H=u;C[0].2F.2I(1c,C[0]);J(o i=0;i<C.L;i++)1c.3F(C[i])},3E:7(6,u){6.1e=\'<X 2C=\'+u+\'>\'+6.1e+\'</X>\'},3C:7(2A,2q,2E,d){q"o 1G=9.$c(\'1N\',1g),W="+2E+",11=1s,1b="+d+"||\'1v\',1m=1b==\'1v\'||V==\'2H\'?w.K:w.S;8(W){1C.f[1b]=-1m*n+\'x\';k+=n;}8(1G)1g.3L(1G);o Q=7(13){("+2A+")();8(W&&k==2*n-1&&11!=1){1C.f[1b]=-(n-1)*1m+\'x\';k=n-1}8(W&&k==0&&11!=2){1C.f[1b]=-n*1m+\'x\';k=n}8(!W&&k==n-1&&13==Y)k=-1;8(W&&13!==Y&&k>n-1&&!11) 13+=n;o Z=13!==Y?13:k+1,1w=k;("+2q+")();k=Z;11=D;};Q(k);8(w.G!==D)o G=1u(7(){Q()},t);1g.1I=7(){8(G)1i(G)};1g.1X=7(){8(G)G=1u(7(){Q()},t)};"},3q:7(M,U,1n){q"J (o j=0;j<n;j++){"+M+"[j].k=j;8("+U+"==\'3u\'){"+M+"[j].1I=7(){8(9.H!=\'3N\') 9.H=\'2s\'};"+M+"[j].1X=7(){8(9.H==\'2s\') 9.H=\'\'};"+M+"[j].1p=7(){8(9.k!=k) {Q(9.k);q D}};}P 8("+U+"==\'3x\'){"+M+"[j].1I=7(){o 1f=9;8("+1n+"==0){8(1f.k!=k){Q(1f.k);q D}}P "+M+".d=2t(7(){8(1f.k!=k) {Q(1f.k);q D}},"+(1n==Y?I:1n)+")};"+M+"[j].1X=7(){3w("+M+".d)};}P{42(\'40 3R : \\"\'+"+U+"+\'\\"\');2u;};J(o i=0,1P=9.$$(\'a\',1g),2v=1P.L;i<2v;i++) 1P[i].32=7(){9.2P();}}"},2O:7(6,1O,2w){q"o 1t=D;"+6+".1p=7(){9.H=9.H==\'"+1O+"\'?\'"+2w+"\':\'"+1O+"\';8(!1t){1i(G);G=2x;1t=1s;}P{G=1s;1t=D;}}"},3h:7(6,V,2z,1V,F){q"o 15={},12="+2z+",2m=1J.2y("+1V+"/2),2B=2n("+6+".f["+V+"])||0,18=Z>=n?Z-n:Z,2r="+F+"||30,2o=12*(n-"+1V+"),1S=12*18+2B;8(1S>12*2m&&18!==n-1) 15["+V+"]=\'-\'+12;8(1S<12&&18!==0) 15["+V+"]=\'+\'+12;8(18===n-1) 15["+V+"]=-2o;8(18===0) 15["+V+"]=0;B.2p("+6+",15,2r);"},35:7(1w,Z){q 1w+".1p=7(){11=1;Q(k>0?k-1:n-1);};"+Z+".1p=7(){11=2;o 2D=k>=2*n-1?n-1:k;Q(k==n-1&&!W?0:2D+1);}"},3f:7(1E){J(o p 2G 1E)9[p]=1E[p]}}',62,252,'||||||obj|function|if|this||||||style|||||index||||var||return||||cla||par|px|li||img|myFocus|arr|false|opa|speed|auto|className|100|for|width|length|arrStr|opacity|fn|else|run|animate|height|prop|type|dir|less|ul|undefined|next||_turn|scDis|idx|oStyle|scPar|tag|css|scIdx|Timer|push|_dir|div|txt|innerHTML|self|box|id|clearInterval|val|document|getElementsByTagName|_dis|delay|display|onclick|window|tags|true|_stop|setInterval|left|prev|offset|oHead|wrap|_|alpha|pics|initCSS|fnObj|join|ld|num|onmouseover|Math|text|position|params|loading|cla1|lk|span|linear|scD|hidden|none|sn|st|onmouseout|overflow|replace||src|thumb|top|spd|easeOut|easing|am|typeof|reg|filters|padding|background|important|styleSheet|attachEvent|txtHeight|relative|fff|center|addEventListener|getAttribute|scN|parseInt|scMax|slide|fn2|scSpd|hover|setTimeout|break|ln|cla2|null|floor|dis|fn1|scDir|class|tIdx|isless|parentNode|in|right|insertBefore|createElement|border|list|margin|_wrap|toggle|blur|296|Verdana|serif|absolute|9999|color|sans|Geneva|font|12px||bottom|onfocus|object|block|turn|50|test|string|filter|easeIn|getComputedStyle|currentStyle|ceil|RegExp|extend|easeInOut|scroll|getElementById|fadeOut|fadeIn|666|call|new|stop|align|bind|firstChild|setting|try|click|head|clearTimeout|mouseover|inline|cssText|catch|arguments|switchMF|alt|wrapIn|appendChild|addList|load|callee|onload|DOMContentLoaded|removeChild|line|current|i_41956|28236|gif|Setting|bg|com|url|http|nethd|zhongsou|no|wtimg|Error|pic|alert|repeat'.split('|'),0,{})); 
myFocus.extend({//*********************tbhuabao****************** 
mF_tbhuabao:function(par){var box=this.$(par.id);this.addList(box,['dot','txt','prev','next']);this.wrap([this.$c('pic',box)],'win');var pics=this.$c('pic',box),dot=this.$li('dot',box),txt=this.$li('txt',box),pre=this.$c('prev',box),nex=this.$c('next',box);var index=0,n=txt.length,t=par.time*1000;pics.innerHTML+=pics.innerHTML;for(var i=0;i<n;i++)dot[i].innerHTML='•';pre.innerHTML='‹';nex.innerHTML='›';var win=this.$c('win',box),pic=this.$li('pic',box),dots=this.$c('dot',box),dotH=32,arTop=par.height/2-32;box.style.height=par.height+dotH+'px';win.style.cssText='width:'+par.width+'px;height:'+par.height+'px;';pics.style.width=par.width*2*n+'px';for(var i=0;i<n;i++){txt[i].style.bottom=dotH+'px'}for(var i=0;i<2*n;i++)pic[i].style.cssText='width:'+par.width+'px;height:'+par.height+'px;';pre.style.cssText=nex.style.cssText='top:'+arTop+'px;';eval(this.switchMF(function(){txt[index>=n?(index-n):index].style.display='none';dot[index>=n?(index-n):index].className=''},function(){myFocus.slide(pics,{left:-par.width*next});txt[next>=n?(next-n):next].style.display='block';dot[next>=n?(next-n):next].className='current'},'true'));eval(this.bind('dot','"click"'));eval(this.turn('pre','nex'))} 
}); 
myFocus.setting({ 
id:'myFocus',//焦点图ID 
style:'mF_tbhuabao',//风格样式 
time:3,//切换时间间隔(秒) 
trigger:'click',//触发切换模式：'click'(点击)/'mouseover'(悬停) 
width:450,//设置宽度(主图区) 
height:296,//设置高度(主图区) 
txtHeight:'default'//文字层高度设置，'default'为默认高度，0为隐藏 
}); 
</ script> 
</head> 
<body> 
<div id="myFocus"> 
<div class="loading"><span>请稍候...</span></div> 
<ul class="pic"> 
<li><img src="http://547d.ipc.la/img/myfocus/1.jpg" thumb="" alt="图片1来源于网络，版权属于作者" text="图片1更详细的描述文字" /></li> 
<li><img src="http://547d.ipc.la/img/myfocus/2.jpg" thumb="" alt="版权属于作者，图片2来源于网络" text="图片2更详细的描述文字" /></li> 
<li><img src="http://547d.ipc.la/img/myfocus/3.jpg" thumb="" alt="图片3来源于网络，版权属于作者" text="图片3更详细的描述文字" /></li> 
<li><img src="http://547d.ipc.la/img/myfocus/4.jpg" thumb="" alt="版权属于作者，图片4来源于网络" text="图片4更详细的描述文字" /></li> 
<li><img src="http://547d.ipc.la/img/myfocus/5.jpg" thumb="" alt="图片5来源于网络，版权属于作者" text="图片5更详细的描述文字" /></li> 
</ul> 
</div> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

可随意更改大小的，里面的参数已经详细说明了，喜欢的就拿去吧

一款双向无缝+按钮定位的焦点图实现代码_其他特效