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About JSP using El and struts2 tags to traverse valuestack's dongdong------> List<map<k,v>> and map<k,<list<xxx>>> The structure traversal

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The first structure of map<k,<list<xxx>>>
  <Body>  <%//Show Map<string,list<object>> Map map = new HashMap<String, List<string>> (); List List = new ArrayList<String>();          List.add ("List1-1");          List.add ("List1-2");                    List.add ("List1-3"); List list2 = new ArrayList<String>();           List2.add ("list2-1");           List2.add ("list2-2");           List2.add ("list2-3");                    Map.put ("A", list);          Map.put ("B", List2);        Actioncontext.getcontext (). Getvaluestack ().             Request.setattribute ("Map1", map); %><%out.print("HelloWorld for testing the traversal of the map and list value stacks"); %>      <S:iteratorvalue= "#request. Map1"var= "List">Map_key:<S:propertyvalue= "#list. Key"/></BR>           <S:iteratorvalue= "#list. Value"var= "Current">List Value:<S:propertyvalue= "Current"/></BR>           </S:iterator>   </S:iterator>     </Body>


Print results
HelloWorld for testing the traversal of the map and list value stacks

Map_key:b
List value: list2-1
List value: list2-2
List value: list2-3
Map_key:a
List value: List1-1
List value: List1-2
List value: List1-3


The second structure of list<map<k,v>>

  <% ListList= newarraylist<map<string,string>> (); Map map1 = new HashMap<String, String>();               Map1.put ("A", "map1-1");                              Map1.put ("B", "map1-2"); Map map2 = new HashMap<String, String>();               Map2.put ("A", "map2-1");               Map2.put ("B", "map2-2");               Map2.put ("C", "map2-3");               List.add (MAP1);                              List.add (MAP2);               Put it in the root stack rather than the map stack//Actioncontext.getcontext (). Getvaluestack (). push (list);                         Request.setattribute ("list", list); %><S:debug></S:debug>   <%out.print("HelloWorld for testing the traversal of the map and list value stacks"); %>       <S:iteratorvalue= "#request. List"var= "List1"></BR>           <S:iteratorvalue= "#list1"var= "Map" ></BR>               <S:propertyvalue= "#map. Key"/>               <S:propertyvalue= "#map. Value"/>           </S:iterator>


Print results
HelloWorld for testing the traversal of the map and list value stacks

b map1-2
A map1-1

b map2-2
C map2-3
A map2-1

About JSP using El and struts2 tags to traverse valuestack------> List<map<k,v>> and map<k,<list<xxx>> > 's Structure traversal

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