/// <summary>
/// 附加年份与周数后缀（如：_2051）。
/// </summary>
/// <param name="table">给定的 <see cref="TableDescriptor"/>。</param>
/// <param name="timestamp">给定的 <see cref="DateTimeOffset"/>。</param>
/// <param name="formatName">给定的格式化名称（可选）。</param>
/// <returns>返回 <see cref="TableDescriptor"/>。</returns>
public static TableDescriptor AppendYearAndWeekSuffix(this TableDescriptor table, DateTimeOffset timestamp,
Func <string, string> formatName = null)
{
var suffix = timestamp.ToString(DefaultYearFormat, CultureInfo.InvariantCulture);
return(table.AppendSuffix(suffix + timestamp.AsWeekOfYear().FormatString(2), formatName));
}
