display:table name="list" pagesize="10" id="row" requestURI="SelectbyTimeAction.action" class="mars"><s:if test="type=='dzq'"><tr><td><display:column title="序号" value="${row_rowNum}"></display:column></td><td><display:column title="日期" value="${list[row_rowNum-1]}" href="DangZhengQunTJ.action?qhdm=${qhdm}" paramId="datetime"></display:column></td></tr></s:if></display:table>List里面全是String