tree树形

 /**
  * tree
  * @param menuBeans
  * @param pid
  * @return
  */
 public JSON  makeTree(List<MenuBean> menuBeans,Integer pid){
  Map<String, Object> jsonMap;
  List<Map<String, Object>> lmjson = new ArrayList<Map<String,Object>>();
  for(MenuBean bean: menuBeans){
   if(pid==bean.getMenuParentId()||pid.equals(bean.getMenuParentId())){
    jsonMap = new HashMap<String, Object>();
    jsonMap.put("id", bean.getMenuParentId());
    jsonMap.put("text", bean.getText());
    if(bean.getLeaf()==0){
     if(bean.getMenuParentId()==0){
      jsonMap.put("state","open");
     }else{
         jsonMap.put("state","closed");
     }
     jsonMap.put("children",makeTree(menuBeans,bean.getId()));
    }else{
     String url=bean.getMenuUrl();
     if(url.contains("www")||url.contains("http")){
     }else{
      String urlR [] = url.split("/");
      url=urlR[0]+"/"+urlR[1]+"/easyui"+urlR[2];
     }
     jsonMap.put("url",url);
    }
    lmjson.add(jsonMap);
   }
   
  }
  
  return JSONArray.fromObject(lmjson);
 }