jsp 开发之struts2中s:select标签的使用

<s:select list="{'aa','bb',''}" theme="simple" headerKey="00" headerValue="00"></s:select>

<s:select list="#{1:'aa',2:'bb',3:''}" label="abc" listKey="key" listValue="value" headerKey="0" headerValue="aabb">
 

<s:select theme="simple" name="select1" id="select1" cssStyle="width:120px;" list="#{'':'所有','1':'正常','2':'异常'}" listKey="key" listValue="value" value="#request.select1" ></s:select>
 

<%
HashMap map =new LinkedHashMap();
map.put(1,"aaa");
map.put(2,"bbb");
map.put(3,"c");
request.setAttribute("map",map);
request.setAttribute("aa","2");
 %>
<s:select list="#request.map" label="abc" listKey="key" listValue="value" value="#request.aa" headerKey="0" headerValue="aabb">
</s:select>