// 数据模型转换
  private void jsonToPersonData(JSONArray jPersonList) {
    List<FriendModel> list = new ArrayList<FriendModel>();
    for (int index = 0; index < jPersonList.size(); index++) {

      JSONObject jsonObject = jPersonList.getJSONObject(index);
      FriendModel friend = new FriendModel();
      friend.setUid(JLXCUtils.stringToInt(jsonObject.getString("uid")));
      friend.setName(jsonObject.getString("name"));
      friend.setHead_image(jsonObject.getString("head_image"));
      friend.setHead_sub_image(jsonObject.getString("head_sub_image"));
      friend.setSchool(jsonObject.getString("school"));
      if ("0".equals(jsonObject.getString("isAttent"))) {
        friend.setOrHasAttent(false);
      } else {
        friend.setOrHasAttent(true);
      }
      list.add(friend);
    }
    if (isPullDown) {
      dataList = list;
      friendAdapter.replaceAll(dataList);
    } else {
      dataList.addAll(list);
      friendAdapter.replaceAll(dataList);
    }

    if (null != jPersonList) {
      jPersonList.clear();
    }
  }
 // 刷新页面
 private void refreshList() {
   page = 1;
   List<NewsPushModel> pushModels = NewsPushModel.findWithPage(page, size);
   newsAdapter.replaceAll(pushModels);
   // 刷新顶部
   refreshTopCover();
   // 未读
   int unreadNum = IMModel.unReadNewFriendsCount();
   if (unreadNum > 0) {
     unreadTextView.setText("" + unreadNum);
     unreadTextView.setVisibility(View.VISIBLE);
   } else {
     unreadTextView.setText("");
     unreadTextView.setVisibility(View.GONE);
   }
 }