select默认的样式比较丑，有些应用需要美化select，在网上找到一个很好的美化样式效果，本人很喜欢，在这里分享一下。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="/1999/xhtml"><head><title>select美化自定义下拉框样式</title></head><body><style type="text/css">*{margin:0;padding:0;}select{outline:none;}ul{list-style:none;}a{text-decoration:none;}select{display: none;}.select_box{font-family: "宋体"; font-size: 12px;color: #999999;width: 178px;line-height: 20px;margin: 50px auto;}.select_showbox{border: 1px solid #b0a296;height: 20px;padding-left: 5px;/*background: url(img/icon.png) no-repeat 156px 0;可以替换成想要的下拉三角*/background: #ccc;}.select_option{border: 1px solid #b0a296;border-top: none;display: none;}.select_option li{padding-left: 5px;}.select_option li.selected{background-color: #F3F3F3;color: #999;}.select_option li.hover{background: #7b6959; color: #fff;}</style><select name="choose" id="choose"><option value="选择风格" selected="selected">选择风格</option><option value="复古风">复古风</option><option value="摇滚风">摇滚风</option><option value="怀旧风">怀旧风</option></select><script src="/ajaxjs/jquery-1.7.2.min.js"></script><script type="text/javascript">(function($){var selects=$('select');//获取selectfor(var i=0;i<selects.length;i++){createSelect(selects[i],i);}function createSelect(select_container,index){//创建select容器，class为select_box，插入到select标签前var tag_select=$('<div></div>');//div相当于select标签 tag_select.attr('class','select_box');tag_select.insertBefore(select_container);//显示框class为select_showbox,插入到创建的tag_select中var select_showbox=$('<div></div>');//显示框 select_showbox.css('cursor','pointer').attr('class','select_showbox').appendTo(tag_select); //创建option容器，class为select_option，插入到创建的tag_select中 var ul_option=$('<ul></ul>');//创建option列表 ul_option.attr('class','select_option');ul_option.appendTo(tag_select);createOptions(index,ul_option);//创建option//点击显示框 tag_select.toggle(function(){ul_option.show();},function(){ul_option.hide();}); var li_option=ul_option.find('li');li_option.on('click',function(){$(this).addClass('selected').siblings().removeClass('selected');var value=$(this).text();select_showbox.text(value);ul_option.hide();});li_option.hover(function(){$(this).addClass('hover').siblings().removeClass('hover');},function(){li_option.removeClass('hover');});} function createOptions(index,ul_list){ //获取被选中的元素并将其值赋值到显示框中 var options=selects.eq(index).find('option'),selected_option=options.filter(':selected'),selected_index=selected_option.index(),showbox=ul_list.prev();showbox.text(selected_option.text()); //为每个option建立个li并赋值 for(var n=0;n<options.length;n++){var tag_option=$('<li></li>'),//li相当于optiontxt_option=options.eq(n).text();tag_option.text(txt_option).css('cursor','pointer').appendTo(ul_list);//为被选中的元素添加class为selectedif(n==selected_index){tag_option.attr('class','selected');}}}})(jQuery) </script> <div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';"> </div></body></html>
效果如下：
