/// <summary>
/// 显示当前状态
/// </summary>
/// <param name="str"></param>
private void showState(RankMode rank)
{
string str = rank.rankName + " 已抽" + rank.rankNow + "人 剩余" + (rank.rankAll - rank.rankNow) + "人";
stateLab.Text = str;
str = rank.rankGift;
giftLab.Text = str;
}
