struts2显示MAP数据

struts2显示MAP数据
<table border=1 width=500px>
       <tr><th>商品号</th><th>销售数量(单位：件)</th><th>销售日期</th></tr>
      <s:iterator value="#request.map_statistics.keySet()" id="business">  //map健值
<tr style="text-align:center;">
        <td><s:property value="%{#business}"/></td>

        //健对应的值，JAVABEAN对象
      <s:iterator value="#request.map_statistics.get(#business)" id="stocks"> 

              <s:property value="%{#stocks.count}"/></td>
      <td><s:property value="%{#stocks.date}"/></td>
     </s:iterator>
       </tr>
      </s:iterator>
      </table>





<table border=1 width=500px>
      <tr>
       <th>商品号</th>
       <th>总进货</th>
    <th>总出货</th>
       <th>剩余量(单位：件)</th>
      </tr>
   <s:iterator value="#request.map.keySet()"  id="maptype">
   <tr style="text-align:center;">
    <td>
     <s:property value="%{#maptype}"/>  //map健值
    </td>
    <s:iterator value="#request.map.get(#maptype)" id="stocks">  //存放了数组
     <td><s:property value="%{#stocks}"/></td>
    </s:iterator>
   </tr>
   </s:iterator>
  </table>