DisplayTag

<display:table export="true" is="data" name="sessionScope.UserForm.forbesList" requestURI="/userAction.do" poagesize="10" >
<display:column property="rank" title="Rank" sortable="true" />
....
</display:table>

export - to export table data as excel, csv or xml
sortable - makes column sortable by providing clickable title
pagesize - for pagination