图（1）初始图
图（2）点击效果
代码如下：
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>文件上传</title> <meta content=""> <meta content=""> <script src="https://code.jquery.com/jquery-latest.js" type="text/javascript"></script> <style> /*评分*/ ul{ height: 20px; } li{ list-style: none; float: left; width: 15px; height: 20px; } .leftHeart{ background: url('http://cdn.attach.qdfuns.com/notes/pics/201702/28/145751uq6u6vfsnsvdbqbp.png') no-repeat bottom left; } .rightHeart{ background: url('http://cdn.attach.qdfuns.com/notes/pics/201702/28/145751crdjmidtdy4rmm1t.png') no-repeat bottom left; } .score{ font-size: 22px; font-weight: bolder; color: #ff0000; } </style> </head> <body> <!-- 评分 --> <ul> <li></li><li></li> <li></li><li></li> <li></li><li></li> <li></li><li></li> <li></li><li></li> 得分：<span></span> </ul> <script> $('.halfHeart:odd').css('padding-right', '5px'); var ifHover = true, ifClick = true; $('.halfHeart').mouseover(function(){ if (ifHover) { for (var i = 0; i <= $(this).index(); i++) { $('.halfHeart').eq(i).css('background-position', 'top left'); } $('.score').text(($(this).index()+1) * 0.5); } }) $('.halfHeart').mouseout(function(){ if (ifHover) { for (var i = 0; i <= $(this).index(); i++) { $('.halfHeart').eq(i).css('background-position', 'bottom left'); } } }) $('.halfHeart').click(function(){ if (ifClick) { ifHover = false; ifClick = false; for (var i = 0; i <= $(this).index(); i++) { $('.halfHeart').eq(i).css('background-position', 'top left'); } $('.score').text(($(this).index()+1) * 0.5); } }) </script> </body> </html>