Map <logic:iterate id="element" indexId="ind" name="months"> <bean:write name="ind"/>. // 序号 <bean:write name="element" property="key"/>: // 键名 <bean:write name="element" property="value"/> // 键值 </logic:iterate> <logic:iterate id="str" indexId="index" collection="<%=request.getHeaderNames()%>"> <bean:write name="index" />: <bean:write name="str" /> <br> </logic:iterate> <hr> <logic:iterate id="str" indexId="index" name="list"> <bean:write name="index" />: <bean:write name="str" /> <br> </logic:iterate>