纯js星级评分

@{
Layout = null;
}

<!DOCTYPE html>

<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>userInfo</title>
<link href="~/Script/layui/css/layui.css" rel="stylesheet" />
<script src="~/Script/layui/layui.js"></script>
<style type="text/css">
* {
margin: 0;
padding: 0;
list-style-type: none;
}

body {
color: #666;
font: 12px/1.5 Arial;
}
/* star */
#star {
position: relative;
600px;
margin: 20px auto;
height: 24px;
}

#star ul, #star span {
float: left;
display: inline;
height: 19px;
line-height: 19px;
}

#star ul {
margin: 0 10px;
}

#star li {
float: left;
24px;
cursor: pointer;
text-indent: -9999px;
background: url(/Script/images/star.png) no-repeat;
}

#star strong {
color: #f60;
padding-left: 10px;
}

#star li.on {
background-position: 0 -28px;
}

#star p {
position: absolute;
top: 20px;
159px;
height: 60px;
display: none;
background: url(/Script/images/icon.gif) no-repeat;
padding: 7px 10px 0;
}

#star p em {
color: #f60;
display: block;
font-style: normal;
}
</style>
</head>
<body>
<div id="star">
<span>js星级评论打分</span>
<ul>
<li><a href="javascript:;">1</a></li>
<li><a href="javascript:;">2</a></li>
<li><a href="javascript:;">3</a></li>
<li><a href="javascript:;">4</a></li>
<li><a href="javascript:;">5</a></li>
</ul>
<span></span>
<p></p>
</div>
</body>
</html>

var oStar = document.getElementById("star");
var aLi = oStar.getElementsByTagName("li");
var oUl = oStar.getElementsByTagName("ul")[0];
var oSpan = oStar.getElementsByTagName("span")[1];
var oP = oStar.getElementsByTagName("p")[0];
var i = iScore = iStar = 0;
var aMsg = [
"很不满意|差得太离谱，与卖家描述的严重不符，非常不满",
"不满意|部分有破损，与卖家描述的不符，不满意",
"一般|质量一般，没有卖家描述的那么好",
"满意|质量不错，与卖家描述的基本一致，还是挺满意的",
"非常满意|质量非常好，与卖家描述的完全一致，非常满意"
]

for (i = 1; i <= aLi.length; i++) {
aLi[i - 1].index = i;

//鼠标移过显示分数
aLi[i - 1].onmouseover = function () {
fnPoint(this.index);
//浮动层显示
oP.style.display = "b";
//计算浮动层位置
oP.style.left = oUl.offsetLeft + this.index * this.offsetWidth - 104 + "px";
//匹配浮动层文字内容
oP.innerHTML = "<em><b>" + this.index + "</b> 分 " + aMsg[this.index - 1].match(/(.+)|/)[1] + "</em>" + aMsg[this.index - 1].match(/|(.+)/)[1]
};

//鼠标离开后恢复上次评分
aLi[i - 1].onmouseout = function () {
fnPoint();
//关闭浮动层
oP.style.display = "block"
};

//点击后进行评分处理
aLi[i - 1].onclick = function () {
iStar = this.index;
oP.style.display = "none";
oSpan.innerHTML = "<strong name='lala'>" + (this.index) + " 分</strong>"

alert(this.index);
}
}

//评分处理
function fnPoint(iArg) {
//分数赋值
iScore = iArg || iStar;
for (i = 0; i < aLi.length; i++) aLi[i].className = i < iScore ? "on" : "";
}

};
</script>