效果如下：
<!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>js特效之星星打分效果</title></head><body><style type="text/CSS">*{margin:0;padding:0;list-style-type:none;}a,img{border:0;}img{vertical-align:middle;}#QuacorGrading input{background:url(images/grading.png) no-repeat scroll right center;cursor:pointer;height:30px;width:30px;padding:0;border:0;}</style><div id="QuacorGrading" style="margin:200px 0 0 200px;"> <strong>评分</strong> <input name="1" type="button" /> <input name="2" type="button" /> <input name="3" type="button" /> <input name="4" type="button" /> <input name="5" type="button" /> <input name="6" type="button" /> <input name="7" type="button" /> <input name="8" type="button" /> <input name="9" type="button" /> <input name="10" type="button" /> <span id="QuacorGradingValue"><b><font size="5" color="#fd7d28">5</font></b>分</span> </div><script type="text/javascript"> var GradList = document.getElementById("QuacorGrading").getElementsByTagName("input"); for(var di=0;di<parseInt(document.getElementById("QuacorGradingValue").getElementsByTagName("font")[0].innerHTML);di++){ GradList[di].style.backgroundPosition = 'left center'; } for(var i=0;i < GradList.length;i++){ GradList[i].onmouSEOver = function(){ for(var Qi=0;Qi<GradList.length;Qi++){ GradList[Qi].style.backgroundPosition = 'right center'; } for(var Qii=0;Qii<this.name;Qii++){ GradList[Qii].style.backgroundPosition = 'left center'; } document.getElementById("QuacorGradingValue").innerHTML = '<b><font size="5" color="#fd7d28">'+this.name+'</font></b>分'; } }</script></body></html>
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