以下是 jQuery三屏前后图片预览焦点图特效代码 的示例演示效果:
部分效果截图:
HTML代码(index.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>jQuery三屏前后图片预览焦点图</title>
<script type="text/javascript" src="js/jquery1.42.min.js"></script>
<script type="text/javascript" src="js/jquery.SuperSlide2.js"></script>
</head>
<body>
<style type="text/css">
/* css 重置 */
*{margin:0; padding:0; list-style:none; }
body{ background:#fff; font:normal 12px/22px 宋体; width:100%; }
img{ border:0; }
a{ text-decoration:none; color:#333; }
a:hover{ color:#1974A1; }
.slider{ width:630px; height:338px; padding:0 130px; margin:0 auto; position:relative; overflow:hidden; background:#000; }
.slider .bd{ position:absolute; left:0; top:0; }
.slider .bd li{ overflow:hidden; }
.slider .bd li img{ display:block; width:630px; height:338px; }
.slider .tempWrap{ padding:0 130px !important; /* 强制遮罩层显示2侧各130px */ }
.slider .bd ul{ margin-left:-630px !important; }
.slider .pnBtn{ position:absolute; top:0; width:130px; height:338px; cursor:pointer; }
.slider .prev{ left:0; }
.slider .next{ right:0; }
.slider .pnBtn .blackBg{ display:block; position:absolute; left:0; top:0; width:100%; height:338px; background:#000; filter:alpha(opacity=50);opacity:0.5;}
.slider .pnBtn .arrow{ display:none; position:absolute; top:0; z-index:1; width:32px; height:338px; _filter:alpha(opacity=70); }
.slider .prev .arrow{ left:0; background:url(images/left.png) 0 center no-repeat; }
.slider .next .arrow{ right:0; background:url(images/right.png) 0 center no-repeat; }
</style>
<div class="slider">
<div class="bd">
<ul>
<li><a target="_blank" href="#"><img src="images/1.jpg" /></a></li>
<li><a target="_blank" href="#"><img src="images/2.jpg" /></a></li>
<li><a target="_blank" href="#"><img src="images/3.jpg" /></a></li>
<li><a target="_blank" href="#"><img src="images/4.jpg" /></a></li>
</ul>
</div>
<div class="pnBtn prev"> <span class="blackBg"></span> <span class="arrow"></span> </div>
<div class="pnBtn next"> <span class="blackBg"></span> <span class="arrow"></span> </div>
</div>
<script type="text/javascript">
/* 把最后一个放到第一个前面，然后通过外层ul{margin-left:-630px !important; }来显示第一个 */
jQuery(".slider .bd li").first().before( jQuery(".slider .bd li").last() );
/* 控制左右按钮显示 */
jQuery(".slider .pnBtn").hover(function(){ jQuery(this).find(".arrow").show() },function(){ jQuery(this).find(".arrow").hide() });
/* 调用SuperSlide */
jQuery(".slider").slide({ mainCell:".bd ul", effect:"leftLoop", autoPlay:true, vis:3, mouseOverStop:false });
</script>
</body>
</html>
JS代码(jquery.SuperSlide2.js):
/*! * SuperSlide v2.1.1 * 轻松解决网站大部分特效展示问题 * 详尽信息请看官网：http://www.SuperSlide2.com/ * * Copyright 2011-2013,大话主席 * * 请尊重原创，保留头部版权 * 在保留版权的前提下可应用于个人或商业用途 * v2.1.1：修复当调用多个SuperSlide，并设置returnDefault:true 时返回defaultIndex索引错误 */
!function(a){
a.fn.slide=function(b){
return a.fn.slide.defaults={
type:"slide",effect:"fade",autoPlay:!1,delayTime:500,interTime:2500,triggerTime:150,defaultIndex:0,titCell:".hd li",mainCell:".bd",targetCell:null,trigger:"mouseover",scroll:1,vis:1,titOnClassName:"on",autoPage:!1,prevCell:".prev",nextCell:".next",pageStateCell:".pageState",opp:!1,pnLoop:!0,easing:"swing",startFun:null,endFun:null,switchLoad:null,playStateCell:".playState",mouseOverStop:!0,defaultPlay:!0,returnDefault:!1}
,this.each(function(){
var c=a.extend({
}
,a.fn.slide.defaults,b),d=a(this),e=c.effect,f=a(c.prevCell,d),g=a(c.nextCell,d),h=a(c.pageStateCell,d),i=a(c.playStateCell,d),j=a(c.titCell,d),k=j.size(),l=a(c.mainCell,d),m=l.children().size(),n=c.switchLoad,o=a(c.targetCell,d),p=parseInt(c.defaultIndex),q=parseInt(c.delayTime),r=parseInt(c.interTime);
parseInt(c.triggerTime);
var Q,t=parseInt(c.scroll),u=parseInt(c.vis),v="false"==c.autoPlay||0==c.autoPlay?!1:!0,w="false"==c.opp||0==c.opp?!1:!0,x="false"==c.autoPage||0==c.autoPage?!1:!0,y="false"==c.pnLoop||0==c.pnLoop?!1:!0,z="false"==c.mouseOverStop||0==c.mouseOverStop?!1:!0,A="false"==c.defaultPlay||0==c.defaultPlay?!1:!0,B="false"==c.returnDefault||0==c.returnDefault?!1:!0,C=0,D=0,E=0,F=0,G=c.easing,H=null,I=null,J=null,K=c.titOnClassName,L=j.index(d.find("."+K)),M=p=-1==L?p:L,N=p,O=p,P=m>=u?0!=m%t?m%t:t:0,R="leftMarquee"==e||"topMarquee"==e?!0:!1,S=function(){
a.isFunction(c.startFun)&&c.startFun(p,k,d,a(c.titCell,d),l,o,f,g)}
,T=function(){
a.isFunction(c.endFun)&&c.endFun(p,k,d,a(c.titCell,d),l,o,f,g)}
,U=function(){
j.removeClass(K),A&&j.eq(N).addClass(K)}
;
if("menu"==c.type)return A&&j.removeClass(K).eq(p).addClass(K),j.hover(function(){
Q=a(this).find(c.targetCell);
var b=j.index(a(this));
I=setTimeout(function(){
switch(p=b,j.removeClass(K).eq(p).addClass(K),S(),e){
case"fade":Q.stop(!0,!0).animate({
opacity:"show"}
,q,G,T);
break;
case"slideDown":Q.stop(!0,!0).animate({
height:"show"}
,q,G,T)}
}
,c.triggerTime)}
,function(){
switch(clearTimeout(I),e){
case"fade":Q.animate({
opacity:"hide"}
,q,G);
break;
case"slideDown":Q.animate({
height:"hide"}
,q,G)}
}
),B&&d.hover(function(){
clearTimeout(J)}
,function(){
J=setTimeout(U,q)}
),void 0;
if(0==k&&(k=m),R&&(k=2),x){
if(m>=u)if("leftLoop"==e||"topLoop"==e)k=0!=m%t?(0^m/t)+1:m/t;
else{
var V=m-u;
k=1+parseInt(0!=V%t?V/t+1:V/t),0>=k&&(k=1)}
else k=1;
j.html("");
var W="";
if(1==c.autoPage||"true"==c.autoPage)for(var X=0;
k>X;
X++)W+="<li>"+(X+1)+"</li>";
else for(var X=0;
k>X;
X++)W+=c.autoPage.replace("$",X+1);
j.html(W);
var j=j.children()}
if(m>=u){
l.children().each(function(){
a(this).width()>E&&(E=a(this).width(),D=a(this).outerWidth(!0)),a(this).height()>F&&(F=a(this).height(),C=a(this).outerHeight(!0))}
);
var Y=l.children(),Z=function(){
for(var a=0;
u>a;
a++)Y.eq(a).clone().addClass("clone").appendTo(l);
for(var a=0;
P>a;
a++)Y.eq(m-a-1).clone().addClass("clone").prependTo(l)}
;
switch(e){
case"fold":l.css({
position:"relative",width:D,height:C}
).children().css({
position:"absolute",width:E,left:0,top:0,display:"none"}
);
break;
case"top":l.wrap('<div class="tempWrap" style="overflow:hidden;
position:relative;
height:'+u*C+'px"></div>').css({
top:-(p*t)*C,position:"relative",padding:"0",margin:"0"}
).children().css({
height:F}
);
break;
case"left":l.wrap('<div class="tempWrap" style="overflow:hidden;
position:relative;
width:'+u*D+'px"></div>').css({
width:m*D,left:-(p*t)*D,position:"relative",overflow:"hidden",padding:"0",margin:"0"}
).children().css({
"float":"left",width:E}
);
break;
case"leftLoop":case"leftMarquee":Z(),l.wrap('<div class="tempWrap" style="overflow:hidden;
position:relative;
width:'+u*D+'px"></div>').css({
width:(m+u+P)*D,position:"relative",overflow:"hidden",padding:"0",margin:"0",left:-(P+p*t)*D}
).children().css({
"float":"left",width:E}
);
break;
case"topLoop":case"topMarquee":Z(),l.wrap('<div class="tempWrap" style="overflow:hidden;
position:relative;
height:'+u*C+'px"></div>').css({
height:(m+u+P)*C,position:"relative",padding:"0",margin:"0",top:-(P+p*t)*C}
).children().css({
height:F}
)}
}
var $=function(a){
var b=a*t;
return a==k?b=m:-1==a&&0!=m%t&&(b=-m%t),b}
,_=function(b){
var c=function(c){
for(var d=c;
u+c>d;
d++)b.eq(d).find("img["+n+"]").each(function(){
var b=a(this);
if(b.attr("src",b.attr(n)).removeAttr(n),l.find(".clone")[0])for(var c=l.children(),d=0;
d<c.size();
d++)c.eq(d).find("img["+n+"]").each(function(){
a(this).attr(n)==b.attr("src")&&a(this).attr("src",a(this).attr(n)).removeAttr(n)}
)}
)}
;
switch(e){
case"fade":case"fold":case"top":case"left":case"slideDown":c(p*t);
break;
case"leftLoop":case"topLoop":c(P+$(O));
break;
case"leftMarquee":case"topMarquee":var d="leftMarquee"==e?l.css("left").replace("px",""):l.css("top").replace("px",""),f="leftMarquee"==e?D:C,g=P;
if(0!=d%f){
var h=Math.abs(0^d/f);
g=1==p?P+h:P+h-1}
c(g)}
}
,ab=function(a){
if(!A||M!=p||a||R){
if(R?p>=1?p=1:0>=p&&(p=0):(O=p,p>=k?p=0:0>p&&(p=k-1)),S(),null!=n&&_(l.children()),o[0]&&(Q=o.eq(p),null!=n&&_(o),"slideDown"==e?(o.not(Q).stop(!0,!0).slideUp(q),Q.slideDown(q,G,function(){
l[0]||T()}
)):(o.not(Q).stop(!0,!0).hide(),Q.animate({
opacity:"show"}
,q,function(){
l[0]||T()}
))),m>=u)switch(e){
case"fade":l.children().stop(!0,!0).eq(p).animate({
opacity:"show"}
,q,G,function(){
T()}
).siblings().hide();
break;
case"fold":l.children().stop(!0,!0).eq(p).animate({
opacity:"show"}
,q,G,function(){
T()}
).siblings().animate({
opacity:"hide"}
,q,G);
break;
case"top":l.stop(!0,!1).animate({
top:-p*t*C}
,q,G,function(){
T()}
);
break;
case"left":l.stop(!0,!1).animate({
left:-p*t*D}
,q,G,function(){
T()}
);
break;
case"leftLoop":var b=O;
l.stop(!0,!0).animate({
left:-($(O)+P)*D}
,q,G,function(){
-1>=b?l.css("left",-(P+(k-1)*t)*D):b>=k&&l.css("left",-P*D),T()}
);
break;
case"topLoop":var b=O;
l.stop(!0,!0).animate({
top:-($(O)+P)*C}
,q,G,function(){
-1>=b?l.css("top",-(P+(k-1)*t)*C):b>=k&&l.css("top",-P*C),T()}
);
break;
case"leftMarquee":var c=l.css("left").replace("px","");
0==p?l.animate({
left:++c}
,0,function(){
l.css("left").replace("px","")>=0&&l.css("left",-m*D)}
):l.animate({
left:--c}
,0,function(){
l.css("left").replace("px","")<=-(m+P)*D&&l.css("left",-P*D)}
);
break;
case"topMarquee":var d=l.css("top").replace("px","");
0==p?l.animate({
top:++d}
,0,function(){
l.css("top").replace("px","")>=0&&l.css("top",-m*C)}
):l.animate({
top:--d}
,0,function(){
l.css("top").replace("px","")<=-(m+P)*C&&l.css("top",-P*C)}
)}
j.removeClass(K).eq(p).addClass(K),M=p,y||(g.removeClass("nextStop"),f.removeClass("prevStop"),0==p&&f.addClass("prevStop"),p==k-1&&g.addClass("nextStop")),h.html("<span>"+(p+1)+"</span>/"+k)}
}
;
A&&ab(!0),B&&d.hover(function(){
clearTimeout(J)}
,function(){
J=setTimeout(function(){
p=N,A?ab():"slideDown"==e?Q.slideUp(q,U):Q.animate({
opacity:"hide"}
,q,U),M=p}
,300)}
);
var bb=function(a){
H=setInterval(function(){
w?p--:p++,ab()}
,a?a:r)}
,cb=function(a){
H=setInterval(ab,a?a:r)}
,db=function(){
z||(clearInterval(H),bb())}
,eb=function(){
(y||p!=k-1)&&(p++,ab(),R||db())}
,fb=function(){
(y||0!=p)&&(p--,ab(),R||db())}
,gb=function(){
clearInterval(H),R?cb():bb(),i.removeClass("pauseState")}
,hb=function(){
clearInterval(H),i.addClass("pauseState")}
;
if(v?R?(w?p--:p++,cb(),z&&l.hover(hb,gb)):(bb(),z&&d.hover(hb,gb)):(R&&(w?p--:p++),i.addClass("pauseState")),i.click(function(){
i.hasClass("pauseState")?gb():hb()}
),"mouseover"==c.trigger?j.hover(function(){
var a=j.index(this);
I=setTimeout(function(){
p=a,ab(),db()}
,c.triggerTime)}
,function(){
clearTimeout(I)}
):j.click(function(){
p=j.index(this),ab(),db()}
),R){
if(g.mousedown(eb),f.mousedown(fb),y){
var ib,jb=function(){
ib=setTimeout(function(){
clearInterval(H),cb(0^r/10)}
,150)}
,kb=function(){
clearTimeout(ib),clearInterval(H),cb()}
;
g.mousedown(jb),g.mouseup(kb),f.mousedown(jb),f.mouseup(kb)}
"mouseover"==c.trigger&&(g.hover(eb,function(){
}
),f.hover(fb,function(){
}
))}
else g.click(eb),f.click(fb)}
)}
}
(jQuery),jQuery.easing.jswing=jQuery.easing.swing,jQuery.extend(jQuery.easing,{
def:"easeOutQuad",swing:function(a,b,c,d,e){
return jQuery.easing[jQuery.easing.def](a,b,c,d,e)}
,easeInQuad:function(a,b,c,d,e){
return d*(b/=e)*b+c}
,easeOutQuad:function(a,b,c,d,e){
return-d*(b/=e)*(b-2)+c}
,easeInOutQuad:function(a,b,c,d,e){
return(b/=e/2)<1?d/2*b*b+c:-d/2*(--b*(b-2)-1)+c}
,easeInCubic:function(a,b,c,d,e){
return d*(b/=e)*b*b+c}
,easeOutCubic:function(a,b,c,d,e){
return d*((b=b/e-1)*b*b+1)+c}
,easeInOutCubic:function(a,b,c,d,e){
return(b/=e/2)<1?d/2*b*b*b+c:d/2*((b-=2)*b*b+2)+c}
,easeInQuart:function(a,b,c,d,e){
return d*(b/=e)*b*b*b+c}
,easeOutQuart:function(a,b,c,d,e){
return-d*((b=b/e-1)*b*b*b-1)+c}
,easeInOutQuart:function(a,b,c,d,e){
return(b/=e/2)<1?d/2*b*b*b*b+c:-d/2*((b-=2)*b*b*b-2)+c}
,easeInQuint:function(a,b,c,d,e){
return d*(b/=e)*b*b*b*b+c}
,easeOutQuint:function(a,b,c,d,e){
return d*((b=b/e-1)*b*b*b*b+1)+c}
,easeInOutQuint:function(a,b,c,d,e){
return(b/=e/2)<1?d/2*b*b*b*b*b+c:d/2*((b-=2)*b*b*b*b+2)+c}
,easeInSine:function(a,b,c,d,e){
return-d*Math.cos(b/e*(Math.PI/2))+d+c}
,easeOutSine:function(a,b,c,d,e){
return d*Math.sin(b/e*(Math.PI/2))+c}
,easeInOutSine:function(a,b,c,d,e){
return-d/2*(Math.cos(Math.PI*b/e)-1)+c}
,easeInExpo:function(a,b,c,d,e){
return 0==b?c:d*Math.pow(2,10*(b/e-1))+c}
,easeOutExpo:function(a,b,c,d,e){
return b==e?c+d:d*(-Math.pow(2,-10*b/e)+1)+c}
,easeInOutExpo:function(a,b,c,d,e){
return 0==b?c:b==e?c+d:(b/=e/2)<1?d/2*Math.pow(2,10*(b-1))+c:d/2*(-Math.pow(2,-10*--b)+2)+c}
,easeInCirc:function(a,b,c,d,e){
return-d*(Math.sqrt(1-(b/=e)*b)-1)+c}
,easeOutCirc:function(a,b,c,d,e){
return d*Math.sqrt(1-(b=b/e-1)*b)+c}
,easeInOutCirc:function(a,b,c,d,e){
return(b/=e/2)<1?-d/2*(Math.sqrt(1-b*b)-1)+c:d/2*(Math.sqrt(1-(b-=2)*b)+1)+c}
,easeInElastic:function(a,b,c,d,e){
var f=1.70158,g=0,h=d;
if(0==b)return c;
if(1==(b/=e))return c+d;
if(g||(g=.3*e),h<Math.abs(d)){
h=d;
var f=g/4}
else var f=g/(2*Math.PI)*Math.asin(d/h);
return-(h*Math.pow(2,10*(b-=1))*Math.sin((b*e-f)*2*Math.PI/g))+c}
,easeOutElastic:function(a,b,c,d,e){
var f=1.70158,g=0,h=d;
if(0==b)return c;
if(1==(b/=e))return c+d;
if(g||(g=.3*e),h<Math.abs(d)){
h=d;
var f=g/4}
else var f=g/(2*Math.PI)*Math.asin(d/h);
return h*Math.pow(2,-10*b)*Math.sin((b*e-f)*2*Math.PI/g)+d+c}
,easeInOutElastic:function(a,b,c,d,e){
var f=1.70158,g=0,h=d;
if(0==b)return c;
if(2==(b/=e/2))return c+d;
if(g||(g=e*.3*1.5),h<Math.abs(d)){
h=d;
var f=g/4}
else var f=g/(2*Math.PI)*Math.asin(d/h);
return 1>b?-.5*h*Math.pow(2,10*(b-=1))*Math.sin((b*e-f)*2*Math.PI/g)+c:.5*h*Math.pow(2,-10*(b-=1))*Math.sin((b*e-f)*2*Math.PI/g)+d+c}
,easeInBack:function(a,b,c,d,e,f){
return void 0==f&&(f=1.70158),d*(b/=e)*b*((f+1)*b-f)+c}
,easeOutBack:function(a,b,c,d,e,f){
return void 0==f&&(f=1.70158),d*((b=b/e-1)*b*((f+1)*b+f)+1)+c}
,easeInOutBack:function(a,b,c,d,e,f){
return void 0==f&&(f=1.70158),(b/=e/2)<1?d/2*b*b*(((f*=1.525)+1)*b-f)+c:d/2*((b-=2)*b*(((f*=1.525)+1)*b+f)+2)+c}
,easeInBounce:function(a,b,c,d,e){
return d-jQuery.easing.easeOutBounce(a,e-b,0,d,e)+c}
,easeOutBounce:function(a,b,c,d,e){
return(b/=e)<1/2.75?d*7.5625*b*b+c:2/2.75>b?d*(7.5625*(b-=1.5/2.75)*b+.75)+c:2.5/2.75>b?d*(7.5625*(b-=2.25/2.75)*b+.9375)+c:d*(7.5625*(b-=2.625/2.75)*b+.984375)+c}
,easeInOutBounce:function(a,b,c,d,e){
return e/2>b?.5*jQuery.easing.easeInBounce(a,2*b,0,d,e)+c:.5*jQuery.easing.easeOutBounce(a,2*b-e,0,d,e)+.5*d+c}
}
);
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