在微信上看到一个教程文，觉得制作的小动画还是很有意思的，自己也试验了一下。一开始动画怎么都不执行（我用的HB），因为内置浏览器对css3的不兼容。加上各种浏览器前缀后就好了。但是旋转那个效果，在HB里还是不能正常播放。
总结就是：1，学习到了css3的伪类选择器还可以这样用！2，css3的动画设置还可以这样搭配！3，label可以替代radio。如果正常情况下让我想一个给radio
加动画的方法，我肯定不会想到把radio隐藏的！这是欲擒故纵啊。。。。
以下是代码：
<div class="radio1"><h1>缩放动画</h1><input type="radio" name="ys" id="r1" /><label for="r1"></label><input type="radio" name="ys" id="r2" /><label for="r2"></label><input type="radio" name="ys" id="r3" /><label for="r3"></label></div><div class="radio2"><h1>旋转动画</h1><input type="radio" name="ys2" id="r4" /><label for="r4"></label><input type="radio" name="ys2" id="r5" /><label for="r5"></label><input type="radio" name="ys2" id="r6" /><label for="r6"></label></div>
<style type="text/css">body {background-color: #EEEEEE;}h1{color: #DC143C;}div {border: 1px solid #DC143C;border-radius: 12px;margin-top: 10px;padding: 10px;text-align: center;}.radio1 label {display: inline-block;position: relative;width: 28px;height: 28px;border: 1px solid #ccc;background-color: #FFF;cursor: pointer;border-radius: 50%;margin-top: 10px;}/*核心就是把label变成了单选框的样式，把radio隐藏起来，因为选中label就会选中对应的额radio，所以用户不必直接选radio了，而是通过label变相的来选中radio。但好处就是label可以加动画样式。*//*给label的后边加一个动画*/.radio1 label:after {content: "";position: absolute;top: 4px;left: 4px;width: 20px;height: 20px;border-radius: 50%;background-color: #666;-moz-transform: scale(0);-webkit-transform: scale(0);-ms-transform: scale(0);-o-transform: scale(0);transform: scale(0);-moz-transition: transform .5s ease-out;-webkit-transition: transform .5s ease-out;-o-transition: transform .5s ease-out;-ms-transition: transform .5s ease-out;transition: transform .5s ease-out;}/*把小黑点做出来，缩放为0.做出来的方法，是在label的后边加上了一个空伪类，然后填充颜色*/.radio1 input[type="radio"]:checked+ label {/*这既是灵活运用伪类选择器和兄弟选择器了。checked表示被选中的那个radio，+表示那个radio下边的近邻label*/background-color: #eee;-moz-transition: transform .2s ease-out;-webkit-transition: transform .2s ease-out;-ms-transition: transform .2s ease-out;-o-transition: transform .2s ease-out;transition: transform .2s ease-out;}.radio1 input[type="radio"]:checked+ label:after {-moz-transform: scale(1);-ms-transform: scale(1);-webkit-transform: scale(1);-o-transform: scale(1);transform: scale(1);-moz-transition: transform .5s ease-out;-webkit-transition: transform .5s ease-out;-o-transition: transform .5s ease-out;-ms-transition: transform .5s ease-out;transition: transform .5s ease-out;}.radio1 input[type="radio"] {display: none;}/*radio2自己练习旋转动画*/.radio2 label{width: 30px;height: 30px;background-color: coral;display: inline-block;border-radius: 50%;border: 1px solid #D2B48C;margin-right: 5px;position: relative;cursor: pointer;overflow: hidden;/*///*/}.radio2 label:after{content: "";width: 20px;height: 20px;background-color: #90EE90;position: absolute;top: 5px;left: 5px;border-radius: 50%;-webkit-transform: rotate(-80deg);-moz-transform: rotate(-180deg);-ms-transform: rotate(-180deg);-o-transform: rotate(-180deg);transform: rotate(-180deg);-webkit-transform-origin: -10px 50%;-moz-transform-origin: -10px 50%;-ms-transform-origin: -10px 50%;-o-transform-origin: -10px 50%;transform-origin: -3px 50%;-webkit-transition: transform .7s ease-out;-moz-transition: transform .7s ease-out;-ms-transition: transform .7s ease-out;-o-transition: transform .7s ease-out;transition: transform .7s ease-out;}.radio2 input[type="radio"]:checked + label{background-color: #4169E1;-webkit-transition: background-color .7s ease-out;-moz-transition: background-color .7s ease-out;-ms-transition: background-color .7s ease-out;-o-transition: background-color .7s ease-out;transition: background-color .7s ease-out;}.radio2 input[type="radio"]:checked +label:after{-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);transform: rotate(0deg);-webkit-transition: transform .7s ease-out;-moz-transition: transform .7s ease-out;-ms-transition: transform .7s ease-out;-o-transition: transform .7s ease-out;transition: transform .7s ease-out;}.radio2 input[type="radio"]{display: none;}</style>
原文作者：千里追风，原文地址：/p/cf5b4f6b0b68(来之微信公众号：前端大全)
