以下是 jQuery多级下拉垂直手风琴代码 的示例演示效果:
部分效果截图:
HTML代码(index.html):
<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>jQuery多级下拉垂直手风琴代码</title>
<link href='https://fonts.useso.com/css?family=Jaldi:400,700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/style.css">
<link rel="stylesheet" type="text/css" href="css/default.css">
<script src="js/modernizr.js"></script>
</head>
<body>
<ul class="cd-accordion-menu animated">
<li class="has-children">
<input type="checkbox" name ="group-1" id="group-1" checked>
<label for="group-1">Group 1</label>
<ul>
<li class="has-children">
<input type="checkbox" name ="sub-group-1" id="sub-group-1">
<label for="sub-group-1">Sub Group 1</label>
<ul>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li class="has-children">
<input type="checkbox" name ="sub-group-2" id="sub-group-2">
<label for="sub-group-2">Sub Group 2</label>
<ul>
<li class="has-children">
<input type="checkbox" name ="sub-group-level-3" id="sub-group-level-3">
<label for="sub-group-level-3">Sub Group Level 3</label>
<ul>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li class="has-children">
<input type="checkbox" name ="group-2" id="group-2">
<label for="group-2">Group 2</label>
<ul>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li class="has-children">
<input type="checkbox" name ="group-3" id="group-3">
<label for="group-3">Group 3</label>
<ul>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li class="has-children">
<input type="checkbox" name ="group-4" id="group-4">
<label for="group-4">Group 4</label>
<ul>
<li class="has-children">
<input type="checkbox" name ="sub-group-3" id="sub-group-3">
<label for="sub-group-3">Sub Group 3</label>
<ul>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
<li><a href="#0">Image</a></li>
<li><a href="#0">Image</a></li>
</ul>
</li>
</ul>
<script src="js/jquery-2.1.1.min.js" type="text/javascript"></script>
<script src="js/main.js"></script>
</body>
</html>
JS代码(main.js):
jQuery(document).ready(function(){
var accordionsMenu = $('.cd-accordion-menu');
if( accordionsMenu.length > 0 ){
accordionsMenu.each(function(){
var accordion = $(this);
//detect change in the input[type="checkbox"] valueaccordion.on('change','input[type="checkbox"]',function(){
var checkbox = $(this);
console.log(checkbox.prop('checked'));
( checkbox.prop('checked') ) ? checkbox.siblings('ul').attr('style','display:none;
').slideDown(300):checkbox.siblings('ul').attr('style','display:block;
').slideUp(300);
}
);
}
);
}
}
);
JS代码(modernizr.js):
/* Modernizr 2.8.3 (Custom Build) | MIT & BSD * Build:http://modernizr.com/download/#-fontface-backgroundsize-borderimage-borderradius-boxshadow-flexbox-hsla-multiplebgs-opacity-rgba-textshadow-cssanimations-csscolumns-generatedcontent-cssgradients-cssreflections-csstransforms-csstransforms3d-csstransitions-applicationcache-canvas-canvastext-draganddrop-hashchange-history-audio-video-indexeddb-input-inputtypes-localstorage-postmessage-sessionstorage-websockets-websqldatabase-webworkers-geolocation-inlinesvg-smil-svg-svgclippaths-touch-webgl-shiv-cssclasses-addtest-prefixed-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes-load */
;
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i<a.length;
i++)j=a[i],e(j)?g(j,0,l,0):w(j)?B(j):Object(j)===j&&h(j,l);
else Object(a)===a&&h(a,l)}
,B.addPrefix=function(a,b){
z[a]=b}
,B.addFilter=function(a){
x.push(a)}
,B.errorTimeout=1e4,null==b.readyState&&b.addEventListener&&(b.readyState="loading",b.addEventListener("DOMContentLoaded",A=function(){
b.removeEventListener("DOMContentLoaded",A,0),b.readyState="complete"}
,0)),a.yepnope=k(),a.yepnope.executeStack=h,a.yepnope.injectJs=function(a,c,d,e,i,j){
var k=b.createElement("script"),l,o,e=e||B.errorTimeout;
k.src=a;
for(o in d)k.setAttribute(o,d[o]);
c=j?h:c||f,k.onreadystatechange=k.onload=function(){
!l&&g(k.readyState)&&(l=1,c(),k.onload=k.onreadystatechange=null)}
,m(function(){
l||(l=1,c(1))}
,e),i?k.onload():n.parentNode.insertBefore(k,n)}
,a.yepnope.injectCss=function(a,c,d,e,g,i){
var e=b.createElement("link"),j,c=i?h:c||f;
e.href=a,e.rel="stylesheet",e.type="text/css";
for(j in d)e.setAttribute(j,d[j]);
g||(n.parentNode.insertBefore(e,n),m(c,0))}
}
(this,document),Modernizr.load=function(){
yepnope.apply(window,[].slice.call(arguments,0))}
;
CSS代码(default.css):
@import url(http://fonts.useso.com/css?family=Raleway:200,500,700,800);@font-face{font-family:'icomoon';src:url('../fonts/icomoon.eot?rretjt');src:url('../fonts/icomoon.eot?#iefixrretjt') format('embedded-opentype'),url('../fonts/icomoon.woff?rretjt') format('woff'),url('../fonts/icomoon.ttf?rretjt') format('truetype'),url('../fonts/icomoon.svg?rretjt#icomoon') format('svg');font-weight:normal;font-style:normal;}
[class^="icon-"],[class*=" icon-"]{font-family:'icomoon';speak:none;font-style:normal;font-weight:normal;font-variant:normal;text-transform:none;line-height:1;/* Better Font Rendering =========== */
-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
body,html{padding:0;margin:0;}
/* Reset */
*,*:after,*:before{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;}
/* Clearfix hack by Nicolas Gallagher:http://nicolasgallagher.com/micro-clearfix-hack/ */
.clearfix:before,.clearfix:after{content:" ";display:table;}
.clearfix:after{clear:both;}
body{font-family:"Microsoft YaHei","宋体","Segoe UI","Lucida Grande",Helvetica,Arial,sans-serif,FreeSans,Arimo;}
a{color:#2fa0ec;text-decoration:none;outline:none;}
a:hover,a:focus{color:#74777b;}
.htmleaf-container{margin:0 auto;overflow:hidden;}
.htmleaf-content{padding:1em 0;}
.bgcolor-1{background:#f0efee;}
.bgcolor-2{background:#f9f9f9;}
.bgcolor-3{background:#e8e8e8;}
/*light grey*/
.bgcolor-4{background:#2f3238;color:#fff;}
/*Dark grey*/
.bgcolor-5{background:#df6659;color:#521e18;}
/*pink1*/
.bgcolor-6{background:#2fa8ec;}
/*sky blue*/
.bgcolor-7{background:#d0d6d6;}
/*White tea*/
.bgcolor-8{background:#3d4444;color:#fff;}
/*Dark grey2*/
.bgcolor-9{background:#ef3f52;color:#fff;}
/*pink2*/
.bgcolor-10{background:#64448f;color:#fff;}
/*Violet*/
.bgcolor-11{background:#3755ad;color:#fff;}
/*dark blue*/
.bgcolor-12{background:#3498DB;color:#fff;}
/*light blue*/
/* Header */
.htmleaf-header{padding:1em 190px 1em;letter-spacing:-1px;text-align:center;}
.htmleaf-header h1{font-weight:600;font-size:2em;line-height:1;margin-bottom:0;font-family:"Microsoft YaHei","宋体","Segoe UI","Lucida Grande",Helvetica,Arial,sans-serif,FreeSans,Arimo;}
.htmleaf-header h1 span{font-family:"Microsoft YaHei","宋体","Segoe UI","Lucida Grande",Helvetica,Arial,sans-serif,FreeSans,Arimo;display:block;font-size:60%;font-weight:400;padding:0.8em 0 0.5em 0;color:#fff;}
/*nav*/
.htmleaf-demo a{color:#1d7db1;text-decoration:none;}
.htmleaf-demo{width:100%;padding-bottom:1.2em;}
.htmleaf-demo a{display:inline-block;margin:0.5em;padding:0.6em 1em;border:3px solid #1d7db1;font-weight:700;}
.htmleaf-demo a:hover{opacity:0.6;}
.htmleaf-demo a.current{background:#1d7db1;color:#fff;}
/* Top Navigation Style */
.htmleaf-links{position:relative;display:inline-block;white-space:nowrap;font-size:1.5em;text-align:center;}
.htmleaf-links::after{position:absolute;top:0;left:50%;margin-left:-1px;width:2px;height:100%;background:#dbdbdb;content:'';-webkit-transform:rotate3d(0,0,1,22.5deg);transform:rotate3d(0,0,1,22.5deg);}
.htmleaf-icon{display:inline-block;margin:0.5em;padding:0em 0;width:1.5em;text-decoration:none;}
.htmleaf-icon span{display:none;}
.htmleaf-icon:before{margin:0 5px;text-transform:none;font-weight:normal;font-style:normal;font-variant:normal;font-family:'icomoon';line-height:1;speak:none;-webkit-font-smoothing:antialiased;}
/* footer */
.htmleaf-footer{width:100%;padding-top:10px;}
.htmleaf-small{font-size:0.8em;}
.center{text-align:center;}
/****/
.related{color:#fff;background:#333;text-align:center;font-size:1.25em;padding:0.5em 0;overflow:hidden;}
.related > a{vertical-align:top;width:calc(100% - 20px);max-width:340px;display:inline-block;text-align:center;margin:20px 10px;padding:25px;font-family:"Microsoft YaHei","宋体","Segoe UI","Lucida Grande",Helvetica,Arial,sans-serif,FreeSans,Arimo;}
.related a{display:inline-block;text-align:left;margin:20px auto;padding:10px 20px;opacity:0.8;-webkit-transition:opacity 0.3s;transition:opacity 0.3s;-webkit-backface-visibility:hidden;}
.related a:hover,.related a:active{opacity:1;}
.related a img{max-width:100%;opacity:0.8;border-radius:4px;}
.related a:hover img,.related a:active img{opacity:1;}
.related h3{font-family:"Microsoft YaHei",sans-serif;}
.related a h3{font-weight:300;margin-top:0.15em;color:#fff;}
/* icomoon */
.icon-htmleaf-home-outline:before{content:"\e5000";}
.icon-htmleaf-arrow-forward-outline:before{content:"\e5001";}
@media screen and (max-width:50em){.htmleaf-header{padding:3em 10% 4em;}
.htmleaf-header h1{font-size:2em;}
}
@media screen and (max-width:40em){.htmleaf-header h1{font-size:1.5em;}
}
@media screen and (max-width:30em){.htmleaf-header h1{font-size:1.2em;}
}
CSS代码(reset.css):
/* http://meyerweb.com/eric/tools/css/reset/ v2.0 | 20110126 License:none (public domain)*/
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;}
/* HTML5 display-role reset for older browsers */
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,main{display:block;}
body{line-height:1;}
ol,ul{list-style:none;}
blockquote,q{quotes:none;}
blockquote:before,blockquote:after,q:before,q:after{content:'';content:none;}
table{border-collapse:collapse;border-spacing:0;}
CSS代码(style.css):
/* --------------------------------Primary style-------------------------------- */
*,*::after,*::before{box-sizing:border-box;}
html{font-size:62.5%;}
body{font-size:1.6rem;font-family:"Jaldi",sans-serif;color:#ffffff;background-color:#a0f6aa;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
a{color:#a0f6aa;text-decoration:none;}
h1{text-align:center;width:90%;margin:2em auto 0;font-size:2.4rem;color:#507b55;font-weight:bold;}
@media only screen and (min-width:600px){h1{font-size:3.2rem;}
}
input{font-family:"Jaldi",sans-serif;font-size:1.6rem;}
/* --------------------------------Main Components-------------------------------- */
.cd-accordion-menu{width:90%;max-width:600px;background:#4d5158;margin:4em auto;box-shadow:0 4px 40px #70ac76;}
.cd-accordion-menu ul{/* by default hide all sub menus */
display:none;}
.cd-accordion-menu li{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;}
.cd-accordion-menu input[type=checkbox]{/* hide native checkbox */
position:absolute;opacity:0;}
.cd-accordion-menu label,.cd-accordion-menu a{position:relative;display:block;padding:18px 18px 18px 64px;background:#4d5158;box-shadow:inset 0 -1px #555960;color:#ffffff;font-size:1.6rem;}
.no-touch .cd-accordion-menu label:hover,.no-touch .cd-accordion-menu a:hover{background:#52565d;}
.cd-accordion-menu label::before,.cd-accordion-menu label::after,.cd-accordion-menu a::after{/* icons */
content:'';display:inline-block;width:16px;height:16px;position:absolute;top:50%;-webkit-transform:translateY(-50%);-moz-transform:translateY(-50%);-ms-transform:translateY(-50%);-o-transform:translateY(-50%);transform:translateY(-50%);}
.cd-accordion-menu label{cursor:pointer;}
.cd-accordion-menu label::before,.cd-accordion-menu label::after{background-image:url(../img/cd-icons.svg);background-repeat:no-repeat;}
.cd-accordion-menu label::before{/* arrow icon */
left:18px;background-position:0 0;-webkit-transform:translateY(-50%) rotate(-90deg);-moz-transform:translateY(-50%) rotate(-90deg);-ms-transform:translateY(-50%) rotate(-90deg);-o-transform:translateY(-50%) rotate(-90deg);transform:translateY(-50%) rotate(-90deg);}
.cd-accordion-menu label::after{/* folder icons */
left:41px;background-position:-16px 0;}
.cd-accordion-menu a::after{/* image icon */
left:36px;background:url(../img/cd-icons.svg) no-repeat -48px 0;}
.cd-accordion-menu input[type=checkbox]:checked + label::before{/* rotate arrow */
-webkit-transform:translateY(-50%);-moz-transform:translateY(-50%);-ms-transform:translateY(-50%);-o-transform:translateY(-50%);transform:translateY(-50%);}
.cd-accordion-menu input[type=checkbox]:checked + label::after{/* show open folder icon if item is checked */
background-position:-32px 0;}
.cd-accordion-menu input[type=checkbox]:checked + label + ul,.cd-accordion-menu input[type=checkbox]:checked + label:nth-of-type(n) + ul{/* use label:nth-of-type(n) to fix a bug on safari (<= 8.0.8) with multiple adjacent-sibling selectors*/
/* show children when item is checked */
display:block;}
.cd-accordion-menu ul label,.cd-accordion-menu ul a{background:#35383d;box-shadow:inset 0 -1px #41444a;padding-left:82px;}
.no-touch .cd-accordion-menu ul label:hover,.no-touch.cd-accordion-menu ul a:hover{background:#3c3f45;}
.cd-accordion-menu > li:last-of-type > label,.cd-accordion-menu > li:last-of-type > a,.cd-accordion-menu > li > ul > li:last-of-type label,.cd-accordion-menu > li > ul > li:last-of-type a{box-shadow:none;}
.cd-accordion-menu ul label::before{left:36px;}
.cd-accordion-menu ul label::after,.cd-accordion-menu ul a::after{left:59px;}
.cd-accordion-menu ul ul label,.cd-accordion-menu ul ul a{padding-left:100px;}
.cd-accordion-menu ul ul label::before{left:54px;}
.cd-accordion-menu ul ul label::after,.cd-accordion-menu ul ul a::after{left:77px;}
.cd-accordion-menu ul ul ul label,.cd-accordion-menu ul ul ul a{padding-left:118px;}
.cd-accordion-menu ul ul ul label::before{left:72px;}
.cd-accordion-menu ul ul ul label::after,.cd-accordion-menu ul ul ul a::after{left:95px;}
@media only screen and (min-width:600px){.cd-accordion-menu label,.cd-accordion-menu a{padding:24px 24px 24px 82px;font-size:1.9rem;}
.cd-accordion-menu label::before{left:24px;}
.cd-accordion-menu label::after{left:53px;}
.cd-accordion-menu ul label,.cd-accordion-menu ul a{padding-left:106px;}
.cd-accordion-menu ul label::before{left:48px;}
.cd-accordion-menu ul label::after,.cd-accordion-menu ul a::after{left:77px;}
.cd-accordion-menu ul ul label,.cd-accordion-menu ul ul a{padding-left:130px;}
.cd-accordion-menu ul ul label::before{left:72px;}
.cd-accordion-menu ul ul label::after,.cd-accordion-menu ul ul a::after{left:101px;}
.cd-accordion-menu ul ul ul label,.cd-accordion-menu ul ul ul a{padding-left:154px;}
.cd-accordion-menu ul ul ul label::before{left:96px;}
.cd-accordion-menu ul ul ul label::after,.cd-accordion-menu ul ul ul a::after{left:125px;}
}
.cd-accordion-menu.animated label::before{/* this class is used if you're using jquery to animate the accordion */
-webkit-transition:-webkit-transform 0.3s;-moz-transition:-moz-transform 0.3s;transition:transform 0.3s;}