jquery 设置radio，单选钮默认选中，设置单选按钮值
<script type="text/javascript">$(document).ready(function(){ $("input[@type=radio][name=sex][@value=1]").attr("checked",true);});</script>您的性别：<input type="radio" name="sex" value="1" <s:if test="user.sex==1">checked</s:if>/>男<input type="radio" name="sex" value="0" <s:if test="user.sex==0">checked</s:if>/>女