Struts2标签为数据添加编号

<form action="affairDynamic!newsQuery" method="post"
             id="newsForm">

           <table class="labeltable_middle_table" width="100%"
              height="100%" cellpadding="0" cellspacing="0" border="0">
              <tr>
               <td class="labeltable_middle_td" align="center">
                <input type="checkbox" name="chkall"
                 onclick="checkAll(newsForm)">
               </td>
               <td class="labeltable_middle_td" align="center">
                编号
               </td>

               <td class="labeltable_middle_td" align="center">
                标题
               </td>

               <td class="labeltable_middle_td" align="center">
                状态
               </td>

               <td class="labeltable_middle_td" align="center">
                添加时间
               </td>
               <td class="labeltable_middle_td" align="center">
                添加人
               </td>
               <td class="labeltable_middle_td" align="center">
                浏览量
               </td>

              </tr>
              <s:iterator value="list" id="model" status="index">
               <tr>
                <td class="alignM" align="center" width="60">
                 <input type="checkbox" name="chk"
                  value="<s:property value="id" />" />
                </td>

                <td class="alignM" width="60" align="center">
                 <s:property value="#index.index+1" />
                </td>

                <td class="alignM" width="200">
                 <s:property value="productName" />
                </td>
                <td class="alignM" align="center">
                 <s:property value="productStatus" />
                </td>
                <td class="alignM" align="center">
                 <s:property value="createDate" />
                </td>
                <td class="alignM" align="center">
                 <s:property value="userName" />
                </td>
                <td class="alignM" align="center">
                 <s:property value="visitors" />
                </td>
               </tr>
              </s:iterator>
             </table>

             <%@include file="/commons/page.jsp"%>
             <br>
            </form>