jquery选择器

http://www.cnblogs.com/onlys/articles/jQuery.html

<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