手风琴效果就是内容的折叠与打开，在这个插件中，使用了三种数据来源：1、直接写在DOM结构中；2、将数据写在配置项中；3、从Ajax()中获取数据。在这一版中，各项的切换没有添加动画效果，在下一版中会是有动画效果的。
在这个插件中，CSS和JS的配置非常重要，需要特别注意。另外，加个思考，请先看完后再想这个问题：当点击其中某项时，给width直接添加animate是否合适，当快速在其上移动时，如何保证效果？
效果图预览
![jQuery插件实例四：手风琴效果[无动画版]](https://image.shishitao.com:8440/aHR0cHM6Ly9iYnNtYXguaWthZmFuLmNvbS9zdGF0aWMvTDNCeWIzaDVMMmgwZEhCekwybHRZV2RsY3pBdVkyNWliRzluY3k1amIyMHZhUzgyTWpJeE5EZ3ZNakF4TkRBMkx6QTBNVEV5TURVeU1UYzNOREV6TVM1d2JtYz0uanBn.jpg?w=700&webp=1 "jQuery插件实例四：手风琴效果[无动画版]")
插件JS
accordionB.js
;
(function ($, window, document, undefined) {
var defaults = {
'isajax': false, //是否从ajax加载数据
'isDom': true, //是否是DOM数据,即直接写在DOM结构中,为默认项
'isConfiguration': false,//是否是配置数据
'imglist': [],//配置数据
'ajaxurl': ''
}; $.fn.nhsdAccordion = function (options) {
var $parentDiv = $(this);
var $opts = $.extend({}, defaults, options);
var $mouseoverTile = ""; function initDom() {
$parentDiv.html("");
var $ul = $('<ul></ul>', { 'class': 'acdul' }).appendTo($parentDiv);
for (var i = 0, j = $opts.imglist.length; i < j; i++) {
var temp = $opts.imglist[i];
var $li;
if (i == 0) {
$li = $('<li></li>', { 'style': 'width:252px' }).appendTo($ul);
} else {
$li = $('<li></li>', { 'style': 'width:79px' }).appendTo($ul);
}
var $img = $('<img />', { 'src': temp.src, 'title': temp.title }).appendTo($li);
var $tit = $('<span></span>').html(temp.title).appendTo($li);
}
liEvent();
} function liEvent() {
$(".acdul li").bind("click", function () {
$mouseoverTile = $(this).find('img').attr('title');
$(this).find('img').removeAttr('title');
$(this).parent().find('li').attr('style', 'width:80px');
$(this).attr('style', 'width:252px');
}).bind('mouseout', function () {
$(this).find('img').attr('title', $mouseoverTile);
});
} function initAjax() {
$.ajax({
type: 'get',
url: $opts.ajaxurl,
cache: false,
dataType: 'json',
beforeSend: function () { },
success: function (d) {
$opts.imglist = d;
initDom();
},
error: function () { }
});
} if ($opts.isajax == true) {
initAjax();
} else if ($opts.isConfiguration == true) {
initDom();
} else if ($opts.isDom == true) {
liEvent();
} return this;
}
})(jQuery, window, document);
CSS样式
accordionB.css
/* CSS Document */ /*手风琴效果CSS*/
.accordionDiv {
width: 660px;
height: 400px;
margin: 0 auto;
position: relative;
overflow: hidden;
top: 50px;
} .acdul {
position: absolute;
} .acdul li {
display: inline-block;
float: left;
cursor: pointer;
position: relative;
overflow: hidden;
margin-left: 1px;
font-size: 20px;
color: #ffffff;
font-weight: bold;
} .acdul img {
float: left;
position: relative;
display: inline-block;
} .acdul span {
float: left;
position: absolute;
display: block;
width: 22px;
margin: 5px 0 0 5px;
z-index:;
}
HTML页面
<!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 name="viewport" http-equiv="Content-Type" content="text/html; charset=utf-8;width=device-width,initial-scale=1;" />
<title>无标题文档</title>
<link rel="stylesheet" type="text/css" href="../CSS/global.css"/>
<link rel="stylesheet" type="text/css" href="../CSS/accordionB.css"/>
<script type="text/javascript" src="../Script/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="../Script/accordionB.js"></script>
<script type="text/javascript">
$(document).ready(function () {
//var dataimglist = [
// {
// 'title': '手风琴效果图一',
// 'src': '/Images/accordion/1.png'
// }, {
// 'title': '手风琴效果图二',
// 'src': '/Images/accordion/2.png'
// }, {
// 'title': '手风琴效果图三',
// 'src': '/Images/accordion/3.png'
// }, {
// 'title': '手风琴效果图四',
// 'src': '/Images/accordion/4.png'
// }, {
// 'title': '手风琴效果图五',
// 'src': '/Images/accordion/5.png'
// }, {
// 'title': '手风琴效果图六',
// 'src': '/Images/accordion/6.png'
// }
//]; //$("#accordionDiv").nhsdAccordion({
// 'imglist': dataimglist, 'interval': 'slow'
//});
//上面是把数据写在配置项中
//这是直接写在DOM结构中
$("#accordionDiv").nhsdAccordion({});
//下面是从Ajax()中获取数据的形式,ajaxur后跟的是获取数据源地址
//$("#accordionDiv").nhsdAccordion({'ajaxur':'/plug/accordiionB/'});
});
</script>
</head>
<body>
<div>
<div id="accordionDiv" class="accordionDiv">
<ul class="acdul">
<li style="width: 252px">
<img src="../Images/accordion/1.png" title=""><span>手风琴效果图一</span></li>
<li style="width: 80px">
<img src="../Images/accordion/2.png" title=""><span>手风琴效果图二</span></li>
<li style="width: 80px">
<img src="../Images/accordion/3.png" title=""><span>手风琴效果图三</span></li>
<li style="width: 80px">
<img src="../Images/accordion/4.png" title="手风琴效果图六"><span>手风琴效果图四</span></li>
<li style="width: 80px">
<img src="../Images/accordion/5.png" title="手风琴效果图六"><span>手风琴效果图五</span></li>
<li style="width: 80px">
<img src="../Images/accordion/6.png" title="手风琴效果图六"><span>手风琴效果图六</span></li>
</ul>
</div>
</div>
</body>
</html>
另global.css
* {
margin:;
padding:;
}
html, body {
color: #000;
background: #fff;
}
p {
display: block;
-webkit-margin-before: 1em;
-webkit-margin-after: 1em;
-webkit-margin-start: 0px;
-webkit-margin-end: 0px;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
margin:;
padding:;
list-style: none;
}
div {
display: block;
}
a {
text-decoration: none;
color: #333;
}
a:hover {
color: #14a0cd;
text-decoration: underline;
}
img {
border: none;
line-height:;
margin:;
padding:;
vertical-align: bottom;
}
table {
border-collapse: collapse;
}
/*td {
padding: 3px;
}*/
input {
padding: 1px;
vertical-align: middle;
line-height: normal;
}
a:link, a:visited {
text-decoration: none;
color: #1F376D;
}
a:hover, a:active {
text-decoration: underline;
color: #BD0A01;
border: none;
}
ul {
clear: both;
overflow: hidden;
width: 100%;
}
ul, li {
list-style: none;
}