多选ui实现单选效果

<!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> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<script src="js/jquery-1.8.3.min.js" type="text/javascript" language="javascript"></script> 
<title>无标题文档</title> 
<script type="text/javascript"> 
$(function(){ 
$(":checkbox").click(function(){ 
if($(this).attr("checked")!=undefined) 

$(this).siblings().attr("checked",false); 
$(this).attr("checked",true); 

}); 
}); 
</script> 
<style> 
span,input{float:left;} 
input{ 14px; height:14px;} 
span{ margin-right:20px;} 
</style> 
</head> 

原文地址:https://www.cnblogs.com/wrong930803/p/7249305.html