void InitItem(GameObject go, int index)
    {
        FriendRankItem item = go.GetComponent <FriendRankItem>();

        if (item == null)
        {
            item = go.AddComponent <FriendRankItem>();
        }
        item.Init(friendRankInfos[index], index + 1);
    }
 void OnInputValueChanged()
 {
     if (string.IsNullOrEmpty(findInput.text))
     {
         TipManager.Instance.OpenTip(TipType.SimpleTip, "请输入好友昵称或ID");
     }
     else
     {
         UIUtils.DestroyChildren(findParent);
         FriendInfo info = FindFriendByNameOrId(findInput.text);
         warp.gameObject.SetActive(false);
         noFriendObj.SetActive(info == null);
         if (info != null)
         {
             FriendRankItem item = Instantiate(friendItem, findParent).GetComponent <FriendRankItem>();
             item.Init(info, 1);
         }
     }
 }