select下拉选择框美化实现代码(js+css+图片)

软件编程
2026-01-11 10:26:04

因为虽然实现起来麻烦点，如果用自带的Select，很简单的就完成了，但是本代码实际上是在向大家讲述一种Js在网页中的应用实战，多种元素之间的配合作用等。
效果如下图：

<!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> <title>下拉select选择框</title> <meta http-equiv="content-type" content="text/html;charset=gb2312"> <style type="text/css"> body{margin:20px auto;font-family:Arial,Helvetica,sans-serif;font-size:12px;width:950px;height:400px;border:solid 1px #aaa;position:relative;padding:10px;} h1{font-size:12px;color:#444;} ul{margin:0;padding:0;list-style:none;} .dropDownList{position:absolute;left:100px;top:100px;} .dropDownList div.dropdown{float:left;margin-right:120px;} .dropDownList span{display:block;width:146px;height:26px;background:url(/upload/2010-3/20100303231959754.gif) left top no-repeat;line-height:26px;text-indent:12px;border:solid 1px #83BBD9;cursor:default;} .dropDownList span.over{background-position:left bottom;border-color:#B4C91A;}     .dropDownList ul{width:200px;display:none;position:absolute;}         .dropDownList ul li{background:#eee;height:20px;width:100%;padding:3px 0;text-indent:12px;cursor:default;line-height:20px;}         /*普通状态下的样式*/         .dropDownList ul li.normal{background:#eee;}         /*鼠标移上的样式*/         .dropDownList ul li.over{background:#ccc;}         /*被选中的样式*/         .dropDownList ul li.current{background:#c2c2c2;font-weight:bold;}     .dropDownList ul.show{display:block;} </style> </head> <body> <form action="#" method="get">               <select name="birthday">             <option>请选择</option>             <option>1986</option>             <option>1987</option>             <option selected="selected">1988</option>             <option>1989</option>             <option>1990</option>         </select>         <span>请选择年份</span>         <ul></ul>                   <select name="sex">             <option>性别</option>             <option>男</option>             <option selected="selected">女</option>             <option>不是男，也不是女</option>         </select>         <span>请选择性别</span>         <ul></ul>                   <select name="student">             <option>幼儿班</option>             <option>小学</option>             <option selected="selected">初中</option>             <option>高中</option>         </select>         <span>请选择学历</span>         <ul></ul>       </form>  </body> </html>