struts2标签iterator

<!--

          iterator说明

            *  当前正在迭代的元素在栈顶

            *  如果value属性不写，则默认迭代栈顶的元素

            *  value值如果为top,则也是迭代栈顶的元素

          -->

         <s:iterator value="#departmentList">

    <tr class="TableDetail1 template">

     <td><s:property value="dname"/></td>

     <td><s:property value="description"/></td>

     <td>

      <s:a action="">删除</s:a>

      <a href="saveUI.html" target="_blank" rel="external nofollow" >修改</a>

     </td>

    </tr>

   </s:iterator>

    <!--

     list中含有list

     -->

     <!--

     <s:iterator>

      <s:iterator>

       <s:property value="dname"/>

      </s:iterator>

     </s:iterator>

      -->

     <!--

      list中含有map

      -->

      <!--

      <s:iterator value="#list">

         <s:iterator value="top">

          <s:property value="key"/>

          <s:property value="value.dname"/>

         </s:iterator>

      </s:iterator>

       -->

       <!--

        map中含有list

        -->

        <!--

        <s:iterator value="#maps">

         <s:property value="key"/>

         <!--

          该迭代就是一个list

          -->

        <!--

         <s:iterator value="value">

          <s:property value="dname"/>

         </s:iterator>

        </s:iterator>

         -->

相应的action的方法

  //ServletActionContext.getRequest().setAttribute("departmentList", departmentList);

//  List<List<Department>> lists = new ArrayList<List<Department>>();

//  Department department1 = new  Department();

//  department1.setDname("department1_name");

//  Department department2 = new  Department();

//  department2.setDname("department2_name");

//  List<Department> departmentList1 = new ArrayList<Department>();

//  departmentList1.add(department1);

//  List<Department> departmentList2 = new ArrayList<Department>();

//  departmentList2.add(department2);

//  lists.add(departmentList1);

//  lists.add(departmentList2);

//  

//  List<Map<String, Department>> lists2 = new ArrayList<Map<String,Department>>();

//  Map<String, Department> map1 = new HashMap<String, Department>();

//  map1.put("d1", department1);

//  Map<String, Department> map2 = new HashMap<String, Department>();

//  map2.put("d2", department2);

//  lists2.add(map1);

//  lists2.add(map2);

//  

//  Map<String, List<Department>> maps = new HashMap<String, List<Department>>();

//  maps.put("list1", departmentList1);

//  maps.put("list2", departmentList2);

//  ActionContext.getContext().put("maps", maps);