| <apex:page controller="InventoryController" cache="true"  contentType="application/vnd.ms-excel#{!fileName}.xls"> | 
|     <apex:pageblock title="导出结果"> | 
|         <apex:pageblocktable value="{!consumableorderdetailsRecordserrordummy}" var="records"> | 
|             <apex:column value="{!records.Prod.Name__c}"/> | 
|             <apex:column value="{!records.orderdetails2.Box_Piece__c}"/> | 
|             <apex:column value="{!records.orderdetails2.Bar_Code__c}"/> | 
|             <apex:column value="{!records.orderdetails2.Lose_reason__c}"/> | 
|         </apex:pageblocktable> | 
|     </apex:pageblock> | 
| </apex:page> |