oracle 结合ibatis 批量增加

sql--------------------------------------

<insert id="commonMenuGroup_insertintoragroupra" parameterClass="map"> 
   insert all 
<iterate conjunction=" " property="ragrouppreinsert"> 
   into commonMenuGroup (groupId,menuId,type) 
   values ( #groupId#,#ragrouppreinsert[]#,#menuType#  )    
</iterate> 
   select * from dual 
</insert> 

action-----------------------------------------

                       Map m=new HashMap();
String[] arr = menuIds.split(",");
List<String> list = java.util.Arrays.asList(arr);
m.put("menuType", menuType);
m.put("groupId", groupId);
m.put("ragrouppreinsert", list);
this.getMenuGroupService().insertIntoraGroupra(m);