/// <summary>
/// 加载排行榜（覆盖当前排行榜）
/// </summary>
/// <param name="rankname">Rankname.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public void LoadRank(string rankname)
{
// 覆盖
L_RankData rankData = RootData.FindChild(rankname);
if (rankData == null)
{
rankData = RootData.CreatChildData(rankname, "none");
}
else
{
rankData.ClearChildren();
}
XmlTool.LoadDataWihtPath <L_RankData>(ref rankData, FilePath + rankname);
}