修改radio、checkbox、select默认样式的方法_html/css_WEB-ITnose
现在前端页面效果日益丰富，默认的input组件样式显然已经不能满足需求。趁着这次开发的页面中有这方面的需求，在这里整理一下修改 radio 、 checkbox 、 select 的方法。
首先上效果图：
radio and checkbox
修改radio的默认样式有两种常用的方法
纯CSS
此方法需借助CSS3，关键CSS代码如下
.demo1 input[type='radio'],.demo1 input[type="checkbox"]{ display:none;}.demo1 label:before{ content: ""; display: inline-block; width: 17px; height: 16px; margin-right: 10px; position: absolute; left: 0; bottom: 0; background-color: #3797fc;}.demo1 input[type='radio'] + label:before{ border-radius: 8px;}.demo1 input[type='checkbox'] + label:before{ border-radius: 3px;}.demo1 input[type='radio']:checked+label:before{ content: "\2022"; color: #fff; font-size: 30px; text-align: center; line-height: 19px;}.demo1 input[type='checkbox']:checked+label:before{ content: "\2713"; font-size: 15px; color: #f3f3f3; text-align: center; line-height: 17px;}-
优点：充分借助了CSS3的优势，无需使用js和图片，仅用纯CSS3就可搞定
-
缺点：兼容性较差，仅支持IE9+
js+图片
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js代码：
$(function(){ $(".demospan").bind("click",function(){ $(this).addClass("on").siblings().removeClass("on"); }) $(".piaochecked").bind("click",function(){ $(this).hasClass("on_check")?$(this).removeClass("on_check"):$(this).addClass("on_check"); // $(this).toggleClass("on_check"); })})-
css代码
.demospan{ display: inline-block; width: 24px; height: 18px; /*float: left;*/ padding-top: 3px; cursor: pointer; text-align: center; margin-right: 10px; background-image: url(http://sandbox.runjs.cn/uploads/rs/161/i5pmsg7s/inputradio.gif); background-repeat: no-repeat; background-position: -24px 0;}.demo21{ opacity: 0; cursor: pointer; -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; filter:alpha(opacity=0);}.on{ background-position: 0 0;}.piaochecked{ display: inline-block; width: 20px; height: 20px; cursor: pointer; margin-left: 10px; text-align: center; background-image: url(http://sandbox.runjs.cn/uploads/rs/161/i5pmsg7s/checkbox_01.gif); background-repeat: no-repeat; background-position: 0 0;}.on_check{ background-position: 0 -21px;}.cbdemo2{ opacity: 0; cursor: pointer; -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(opacity=0)"; filter:alpha(opacity=0);}-
优点：兼容性高，支持IE6+
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缺点：使用js+图片较为麻烦
select
/*select*/ .select select{ /*复写Chrome和Firefox里面的边框*/ border:1px solid green; /*清除默认样式*/ appearance:none; -moz-appearance:none; -webkit-appearance:none;/*在选择框的最右侧中间显示小箭头图片*/ background: url("http://ourjs.github.io/static/2015/arrow.png") no-repeat scroll right center transparent; /*为下拉小箭头留出一点位置，避免被文字覆盖*/ padding-right: 14px; } /*清除ie的默认选择框样式清除，隐藏下拉箭头*/select::-ms-expand { display: none; }该方法关键在于清除默认样式，使用css3的appearance属性，但是兼容性较差，仅支持IE9+。若要兼容低版本浏览器，可以使用Div进行模拟。
Todo
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兼容更低版本浏览器的select样式修改
最后附上演示链接： 修改radio、checkbox和select默认样式
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