/// <summary> /// 年龄 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static int Age(this DateTime?dt) { return(SystemHelper.Age(dt, DateTime.Now)); }
/// <summary> /// 格式化日期 yyyy-MM-dd /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string Format(this DateTime dt) { return(SystemHelper.Format(dt, "yyyy-MM-dd")); }