CSS 星级评价效果代码

.jsstar
{ list-style: none;
margin: 0px;
padding: 0px;
width: 100px;
height: 20px;
position: relative;
}
.jsstar li
{
padding:0px;
margin: 0px;
float: left;
width:20px;
height:20px;
background:url(star_rating.gif) 0 0 no-repeat;
}

<p>Javascript + CSS实现</p>
<ul class="jsstar">
<li title="一星"></li>
<li title="二星"></li>
<li title="三星"></li>
<li title="四星"></li>
<li title="五星"></li>
</ul>

<script type="text/javascript" src="http://img.jb51./jslib/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".jsstar >li").hover(
function(){$(this).css({"background-position":"left bottom"}).prev().trigger("mouseover")},
function(){$(this).css({"background-position":"left "}).prev().trigger("mouseout")})
.click(function(){alert($(this).attr("title"))});
});
</script>

/CSS Star start/
.star-rating
{
list-style: none;
margin: 0px;
padding: 0px;
width: 100px;
height: 20px;
position: relative;
background: url(star_rating.gif) left repeat-x;
}
.star-rating li
{
padding: 0px;
margin: 0px;
float: left;
}
.star-rating li a
{
display: block;
width: 20px;
height: 20px;
text-decoration: none;
text-indent: -9000px;
z-index: 20;
position: absolute;
padding: 0px;
}
.star-rating li a:hover
{
background: url(star_rating.gif) left bottom;
z-index: 1;
left: 0px;
}
.star-rating a.one-star
{
left: 0px;
}
.star-rating a.one-star:hover
{
width: 20px;
}
.star-rating a.two-stars
{
left: 20px;
}
.star-rating a.two-stars:hover
{
width: 40px;
}
.star-rating a.three-stars:hover
{
width: 60px;
}
.star-rating a.three-stars
{
left: 40px;
}
.star-rating a.four-stars
{
left: 60px;
}
.star-rating a.four-stars:hover
{
width: 80px;
}
.star-rating a.five-stars
{
left: 80px;
}
.star-rating a.five-stars:hover
{
width: 100px;
}

<ul class='star-rating'>
<li><a href='#' title='一星' class='one-star'>1</a></li>
<li><a href='#' title='二星' class='two-stars'>2</a></li>
<li><a href='#' title='三星' class='three-stars'>3</a></li>
<li><a href='#' title='四星' class='four-stars'>4</a></li>
<li><a href='#' title='五星' class='five-stars'>5</a></li>
</ul>