<!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>星級評分系統(tǒng)</title>
<style> 
body,div,ul,li,p{margin:0;padding:0;}
body{color:#666;font:12px/1.5 Arial;}
ul{list-style-type:none;}
#star{position:relative;width:600px;margin:10px auto;}
#star ul,#star span{float:left;display:inline;height:19px;line-height:19px;}
#star ul{margin:0 10px;}
#star li{float:left;width:24px;cursor:pointer;text-indent:-9999px;background:url(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;width:159px;height:60px;display:none;background:url(images/icon.gif) no-repeat;padding:7px 10px 0;}
#star p em{color:#f60;display:block;font-style:normal;}
</style>
<script type="text/javascript"> 
window.onload = function ()
{
 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 = [
    "很不滿意|差得太離譜，與賣家描述的嚴重不符，非常不滿",
    "不滿意|部分有破損，與賣家描述的不符，不滿意",
    "一般|質(zhì)量一般，沒有賣家描述的那么好",
    "滿意|質(zhì)量不錯，與賣家描述的基本一致，還是挺滿意的",
    "非常滿意|質(zhì)量非常好，與賣家描述的完全一致，非常滿意"
    ]
 for (i = 1; i <= aLi.length; i++)
 {
  aLi[i - 1].index = i;
  //鼠標移過顯示分數(shù)
  aLi[i - 1].onmouseover = function ()
  {
   fnPoint(this.index);
   //浮動層顯示
   oP.style.display = "block";
   //計算浮動層位置
   oP.style.left = oUl.offsetLeft + this.index * this.offsetWidth - 104 + "px";
   //匹配浮動層文字內(nèi)容
   oP.innerHTML = "<em><b>" + this.index + "</b> 分 " + aMsg[this.index - 1].match(/(.+)\|/)[1] + "</em>" + aMsg[this.index - 1].match(/\|(.+)/)[1]
  };
  //鼠標離開后恢復(fù)上次評分
  aLi[i - 1].onmouseout = function ()
  {
   fnPoint();
   //關(guān)閉浮動層
   oP.style.display = "none"
  };
  //點擊后進行評分處理
  aLi[i - 1].onclick = function ()
  {
   iStar = this.index;
   oP.style.display = "none";
   oSpan.innerHTML = "<strong>" + (this.index) + " 分</strong> (" + aMsg[this.index - 1].match(/\|(.+)/)[1] + ")"
  }
 }
 //評分處理
 function fnPoint(iArg)
 {
  //分數(shù)賦值
  iScore = iArg || iStar;
  for (i = 0; i < aLi.length; i++) aLi[i].className = i < iScore ? "on" : "";
 }
};
</script>
</head>
<body>
<div id="star">
 <span>點擊星星就能打分</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>

希望本文所述對大家JavaScript程序設(shè)計有所幫助。

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