<s:iterator value="#session.findPurchasingThemTheToPurchasingOtherCostSettlementInformation"  status="stat"  >
            <tr> 
 <input type="text" id="purchasingSettlement.impsBrand" /> 
<input type="text" id="purchasingSettlement[#stat.index].impsWeight" /> 
      </tr>
      </s:iterator>
我要在 ID里面加上索引 怎么加 我写的方法不对啊 求改