菜单缩放功能

效果图:

代码如下:

<!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>伸缩菜单</title>
<link href="style.css" type="text/css" rel="stylesheet"  />
<style type="text/css" >
.btn{float:right;cursor:pointer;50px;height:23px;color:#a6a6a6; position:absolute; right:0px; bottom:0px;}
.btnOpen{border:0px;30px;height:23px; background:url("images/ban.jpg") no-repeat 100% 0%;padding-right:12px;}
.btnClose{border:0px;30px;height:23px; background:url("images/ban.jpg") no-repeat -80% 0%;padding-right:12px;}
.none{display:none;}
.height{
	height:25px;overflow:hidden;
	}
.facet-first{94%;}
</style>
<script language="javascript" type="text/javascript" src="jquery-1.9.1.min.js" ></script>
</head>

<body>
<div class="main-width">
	<div class="facets">	
		<div class="facetTools-skin">
			<div class="facetTools-label">已设置的搜索条件</div>
			<div class="facetTools">
				<ul>
					<li class="facetTool">
						<span class="label">分类：</span>
						<a  class="cancelfilter" href="#" title="撤销条件"></a>								
						<a  class="filter" href="#">专科用药</a>	
                        <a  class="filter" href="#">呼吸系统用药</a>		
					</li>
                    <li class="facetTool">
						<span class="label">品牌：</span>
						<a  class="cancelfilter" href="#" title="撤销条件"></a>								
						<a  class="filter" href="#">百草灵</a>	
                        <a  class="filter" href="#">呼吸系统用药</a>		
					</li>
				</ul>
			</div>
		</div>
        <div class="facets-skin">
                    <div class="facet-skin">
                        <div class="facets-label">销售标签</div>
                        <div class="facet">
                                <a href="#">未指定<span>(34)</span></a>
                        </div>
                    </div>
                    <div class="facet-skin">
                        <div class="facets-label">品牌</div>
                        <div id="facet" class="facet height">
                        	<div class="facet-first">
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                                <a href="#">云南白药<span>(5)</span></a>
                                <a href="#">神威药业<span>(5)</span></a>
                                <a href="#">感康<span>(5)</span></a>
                                <a href="#">美仑<span>(5)</span></a>
                                <a href="#">乐仁堂<span>(5)</span></a>
                                <a href="#">本草纲目<span>(5)</span></a>
                               </div>
                               <div id="btnOpen" class="btn btnOpen none">展开</div>
                        	   <div id="btnClose" class="btn btnClose none">收缩</div>
                        </div>
                        <!--<input id="btnOpen" type="button" class="btnOpen none"  />
                        <input id="btnClose" type="button" class="btnClose none"  />-->
                        
                    </div>
                    <div class="facet-skin">
                        <div class="facets-label">处方类型</div>
                        <div class="facet">
                                <a href="#">甲类非处方药<span>(26)</span></a>
                                <a href="#">乙类非处方药<span>(4)</span></a>
                                <a href="#">未标示<span>(4)</span></a>
                        </div>
                    </div>
        </div>
	</div> 
</div>
</body>
<script language="javascript" type="text/javascript">
$(document).ready(function(){
  $("#btnOpen").removeClass("none");
  //$("#btnClose").removeClass("none");
  ////展开
  $("#btnOpen").click(function(){
    $(this).addClass("none");
	$("#btnClose").removeClass("none");
	$("#facet").removeClass("height");
  });
  //收缩
  $("#btnClose").click(function(){
    $(this).addClass("none");
	$("#btnOpen").removeClass("none");
	$("#facet").addClass("height");
  });
});
</script>
</html>

 样式css

@charset "utf-8";
/* CSS Document */

body{
	padding:0px;
	margin:0px; 
	background-color: #ffffff;
	color: #444444; 
	line-height: 20px; 
	font-size:12px; 
	
}
p,ul,li,dt,dl,dd,table,td,h1,h2,h3,h4,h5{
	padding:0px;
	margin:0px;
	list-style:none;
}
a:link,a:visited,a:active {
	text-decoration:none;
	font-size:12px;
	color:#806F66;
}

a:hover{
	text-decoration:none;
	color:#ff8008;
	cursor:pointer;
}

.main-width{
	980px;
	padding:10px;
	margin:0px auto;}
/*************************facets*******************************************/
.facets{
	border: 1px solid #C6D8E0;
	padding: 8px 14px;
	text-align:left;
	overflow:hidden;
	clear:both;
	zoom:1;
	margin-bottom:10px;	
}
.facets-skin{
	background:#ffffff;
	clear:both;
	overflow:hidden;
	zoom:1;	
}
/*******************facets-label*************************/
.facet-skin{
	100%;
	clear:both;
	zoom:1;
	padding:5px 0px;
	border-top:1px dotted #f2f2f2;
	margin-top:-1px;
	
}
.facets-label{
	10%;
	height:22px;
	line-height:22px;
	font-weight:600;
	float:left;
	clear:left;
	zoom:1;
}
.facet{
/*	margin:0px 5px;*/
/*	clear:right;*/
	float:left;
	line-height:25px;
	zoom:1;
	90%;
	position:relative;
}


.facet .facet-content{
	line-height:22px;
	float:left;
}
.facet .facet-content .ul-text{
	clear:both;
	overflow:hidden;
	zoom:1;
}

.facet .facet-content .ul-text li{
	float:left;
	margin:0px 10px !important;
	height:22px;
	line-height:22px;
}



/******************************条件***********************************/
.facetTools-skin{
	border-bottom:1px dotted #f2f2f2;
	overflow:hidden;
	clear:both;
	zoom:1;
}
.facetTools-label{
	display:block;
	100px;
	float:left;
}
.facetTools{
	float:left;
}
 .facetTool{
	float:left;
	margin-left:10px;
	padding-left:10px;
	height:30px;
	background:url(image/bg-filter.png) no-repeat 0px 0px;
}

.facetTool span.label{
 	display:block;
	float:left;	
 	height:22px;
 	overflow:hidden;
 	color:#999999;
	background:url(image/bg-filter.png) -0px -40px repeat-x;	
 }
 .facetTool a.filter:link,
 .facetTool a.filter:visited,
 .facetTool a.filter:active{
 	display:block;
	float:left;	
 	height:22px;
 	overflow:hidden;
 	padding-right:5px;
	background:url(image/bg-filter.png) -0px -40px repeat-x;	
 }
 .facetTool a.cancelfilter:link,
 .facetTool a.cancelfilter:visited,
 .facetTool a.cancelfilter:active{
	display:block;
	height:22px;
	20px;
	float:left;	
	background:url(image/bg-filter.png) no-repeat right -81px; 	
}


.facet{
	margin-left:0px !important;
	margin-right:0px !important;
	background:url(image/bg-filter.png) -0px -40px repeat-x;

}
.facet a:link,
.facet a:visited,
.facet a:active{
	color:##806F66;
	margin-right:10px;
	display:inline-block;
}
.facet a:link span,
.facet a:visited span,
.facet a:active span,
.facet a span{
	color:#BFBFBF;
}
.facet a:hover{
	color:#ff8008;
}
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原文地址：https://www.cnblogs.com/lhwang/p/3480201.html