单击单选按钮换成图片
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="jquery-2.1.4.min.js"></script> <style> label { /*设置label的样式*/ width: 100%; padding: 10px 0px; display: block; line-height: 20px; position: relative; font-weight: normal; } .radio .option { /*把优化后的按钮图片设置为该div的背景图片,把该div定位到原生样式的上方,遮盖住原生样式。*/ width: 25px; height: 25px; position: absolute; top: 10px; left: 0px; background-size: cover; background: url(img/03.png) no-repeat; background-size: cover; } .radio input[type="radio"] { /*为了保险起见,把原生样式隐藏掉*/ display: inline-block; margin-right: 15px; opacity: 0; } input[type="radio"]:checked+div { /*当radiuo被选中时,把input下边的div标签的背景图片替换掉*/ background: url(img/horn.png) no-repeat; background-size: cover; } </style> </head> <body> <!--HTML代码结构如下:--> <div class="radio"> <label> <input type="radio" name="sex" value="" /> <div class="option"></div><!--该div盛放的是优化后的按钮图片--> <span class="opt-text">男</span> </label> </div> <div class="radio"> <label> <input type="radio" name="sex" value="" /> <div class="option"></div><!--该div盛放的是优化后的按钮图片--> <span class="opt-text">女</span> </label> </div> </body> </html>