js csss_javascript スキルによって実装されたチェックボックスを備えたドロップダウン ボックス

レンダリング:

CSS:

<style type="text/css">
/* 带复选框的下拉框 */
ul li{
list-style: none;
padding:0px;
margin: 0px;
}

.select_checkBox{
border:0px solid red;
position: relative;
display:inline-block;


}
.chartQuota{
height:23px;
float:left;
display:inline-block;
border:0px solid black;
position: relative;
}

.chartOptionsFlowTrend{
z-index:300;
background-color:white;
border:1px solid gray;
display:none;
position: absolute;
left:0px;
top:23px;
width:150px;
}
.chartOptionsFlowTrend ul{
float:left;
padding: 0px;
margin: 5px;
}
.chartOptionsFlowTrend li{
/* float:left; */
display:block;
position: relative;
left:0px;
margin: 0px;
clear:both;
}
.chartOptionsFlowTrend li *{
float:left;
}
a:-webkit-any-link {
color: -webkit-link;
text-decoration: underline;
cursor: auto;
}
.chartQuota p a {
float: left;
height: 21px;
outline: 0 none;
border: 1px solid #ccc;
line-height: 22px;
padding: 0 5px;
overflow: hidden;
background: #eaeaea;
color: #313131;
text-decoration: none;
}

.chartQuota p {
margin:0px;
folat:left;
overflow: hidden;
height: 23px;
line-height:24px;
display: inline-block;
}
.chartOptionsFlowTrend p {
height: 23px;
line-height: 23px;
overflow: hidden;
position: relative;
z-index: 2;
background: #fefbf7;
padding-top: 0px;
display: inline-block;
}
.chartOptionsFlowTrend p a {
border: 1px solid #fff;
margin-left: 15px;
color: #2e91da;
}
</style>

html:

<div class="select_checkBox">
<div class="chartQuota">
<p>
<a href="javascript:;" hidefocus="true" title="请选择指标"><span>选择指标</span>
<b></b>
</a>
</p>

</div><br>
<div class="chartOptionsFlowTrend"">
<ul>
<li class=""><input type="checkbox" value="1"><span>浏览次数（PV）</span>
</li>
<li class=""><input type="checkbox" value="1"><span>独立访客（UV）</span>
</li>
<li class=""><input type="checkbox" value="1"><span>IP</span>
</li>
<li class=""><input type="checkbox" value="1"><span>新独立访客</span>
</li>
<li class=""><input type="checkbox" value="1"><span>访问次数</span>
</li>
</ul>
<p>
<a href="javascript:;" title="确定" hidefocus="true" class="a_0">确定</a><a
href="javascript:;" title="取消" hidefocus="true" class="a_1">取消</a>
</p>
</div>
</div>

js:

<script type="text/javascript">
$(function(){
$(".select_checkBox").hover(function(){
$(".chartOptionsFlowTrend").css("display","inline-block");
},function(){
$(".chartOptionsFlowTrend").css("display","none");
});
});
</script>