//刷新按钮
    public void OnReflashClick()
    {
        c2s_friend_list_request request = new c2s_friend_list_request();

        byte[] date = NetMgr.servConn.CreateData((int)ProtoId.c2s_friend_list_request, request);
        NetMgr.servConn.SendMessage(date, "s2c_friend_list_reply", OnReflashBack);
    }
    public override void OnShowing()
    {
        base.OnShowing();
        Transform skinTrans = skin.transform;
        Transform listTrans = skinTrans.Find("ListImage");

        // 获取列表栏部件
        Transform scroolRect = listTrans.Find("ScrollRect");

        content      = scroolRect.Find("Content");
        friendPrefab = content.Find("FriendPrefab").gameObject;
        friendPrefab.SetActive(false);

        closeBtn   = listTrans.Find("CloseBtn").GetComponent <Button>();
        reflashBtn = listTrans.Find("ReflashBtn").GetComponent <Button>();
        addBtn     = listTrans.Find("AddBtn").GetComponent <Button>();

        //按钮事件
        reflashBtn.onClick.AddListener(OnReflashClick);
        closeBtn.onClick.AddListener(OnCloseClick);
        addBtn.onClick.AddListener(OnAddClick);

        //请求好友列表
        c2s_friend_list_request request = new c2s_friend_list_request();

        byte[] date = NetMgr.servConn.CreateData((int)ProtoId.c2s_friend_list_request, request);
        NetMgr.servConn.SendMessage(date, "s2c_friend_list_reply", OnReflashBack);
    }