JS仿淘宝网的星级评分系统，鼠标放在上边可以显示星级代表的评分级别，鼠标点击时会选中当前的星级，目前此功能在网页上十分流行，虽然是仿做的，但已经很不错的功能了，希望大家喜欢！
转自：http://www.codefans.net/jscss/code/3458.shtml
<!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>星级评分系统</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(/jscss/demoimg/201206/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(/jscss/demoimg/201206/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 = "block"; //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 = "none" }; //点击后进行评分处理 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] + ")" } } //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> </head> <body> <div id="star"> <span>点击星星就能打分</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>