解决Mongo时间自动减8小时

    public class ChangeDateTimeKind
    {
        public static async Task ToUtc<T>(T model)
        {
            Type NewType = typeof(T);
            foreach (PropertyInfo item in NewType.GetRuntimeProperties())
            {
                string Name = item.PropertyType.Name;
                if (Name.ToLower()=="datetime")
                {
                    await Task.Run(() =>
                    {
                        DateTime getDateTime = Convert.ToDateTime(item.GetValue(model, null));
                        object v = Convert.ChangeType(DateTime.SpecifyKind(getDateTime, DateTimeKind.Utc), item.PropertyType);
                        item.SetValue(model, v, null);
                    });
                }
            }
        }
    }