说明：代码取自网络，注释为原文自带！
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>星级评分</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;/*左右置中*/ } #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(img/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(img/icon.gif) no-repeat; padding:7px 10px 0; } #star p em{ color:#f60; display:block; font-style:normal; } </style> <script> 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="javascritp:;">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>