//英雄登场（武将登场）
public class OperationHeroAppearInfo : OperationBase
{
    public int ActType; // 活动类型，用于关联活动相关模块用，如签到、任务等
    public int CfgID;   // 活动时间表配置ID

    public override string ToDisplayTime()
    {
        var textBuilder = OperationTimeHepler.textBuilder;
        textBuilder.Length = 0;
        textBuilder.Append(startDate.ToDisplay());
        if (startDate != endDate)
        {
            textBuilder.Append("—");
            textBuilder.Append(endDate.ToDisplay());
        }
        return textBuilder.ToString();
    }

}