struts2 标签radio 跟 select

<s:radio name="sex" list="#{'0':'男','1':'女'}" value="'0'"></s:radio> 


<s:select list="{'江苏'}" name="province" headerValue="--请选择省--" headerKey=""></s:select>
<s:select list="{'南京','无锡'}" name="city" headerValue="--请选择市--" headerKey=""></s:select>