/// <summary>
 /// 保存游戏数据
 /// </summary>
 /// <param name="datapath">Datapath.</param>
 public void SavePlayerData()
 {
     path = Path.Combine(Application.persistentDataPath, "playerData.json");
     ReadWriteJson.WirteJson <LevelResult>(path, LevelCtrl.Instance.levelResultArr);
 }