/// <summary>
/// 按照时区值把标准时间转成TUC时间
/// </summary>
/// <param name="datetime">日期和时期值</param>
/// <param name="format">当前转换的格式，检查是否需要转换</param>
/// <param name="timeZone">时区值</param>
/// <returns></returns>
private static DateTime LocalToUtc(DateTime datetime, ISO8601TimeFormats format, TimeSpan timeZone)
{
switch (format)
{
case ISO8601TimeFormats.BasicShortLocalTime:
case ISO8601TimeFormats.ExtendedShortLocalTime:
case ISO8601TimeFormats.BasicLocalTime:
case ISO8601TimeFormats.ExtendedLocalTime:
break;
case ISO8601TimeFormats.BasicUTCTime:
case ISO8601TimeFormats.ExtendedUTCTime:
case ISO8601TimeFormats.BasicLocalTimeAndZoneHour:
case ISO8601TimeFormats.ExtendedLocalTimeAndZoneHour:
case ISO8601TimeFormats.BasicLocalTimeAndZone:
case ISO8601TimeFormats.ExtendedLocalTimeAndZone:
datetime = datetime.AddHours(-timeZone.Hours);
datetime = datetime.AddMinutes(-timeZone.Minutes);
datetime = datetime.AddSeconds(-timeZone.Seconds);
break;
default:
break;
}
return(datetime);
}
internal static DateTime Match2Time(Match m, ISO8601TimeFormats format, out TimeSpan timeZone)
{
DateTime datetime = default(DateTime);
timeZone = default(TimeSpan);
switch (format)
{
case ISO8601TimeFormats.BasicLocalTime:
case ISO8601TimeFormats.ExtendedLocalTime:
datetime = new DateTime(1, 1, 1, Convert.ToInt32(m.Groups["hour"].Value), Convert.ToInt32(m.Groups["minute"].Value), Convert.ToInt32(m.Groups["second"].Value));
break;
case ISO8601TimeFormats.BasicUTCTime:
case ISO8601TimeFormats.ExtendedUTCTime:
datetime = new DateTime(1, 1, 1, Convert.ToInt32(m.Groups["hour"].Value), Convert.ToInt32(m.Groups["minute"].Value), Convert.ToInt32(m.Groups["second"].Value));
break;
case ISO8601TimeFormats.BasicLocalTimeAndZone:
case ISO8601TimeFormats.ExtendedLocalTimeAndZone:
datetime = new DateTime(1, 1, 1, Convert.ToInt32(m.Groups["hour"].Value), Convert.ToInt32(m.Groups["minute"].Value), Convert.ToInt32(m.Groups["second"].Value));
timeZone = new TimeSpan(Convert.ToInt32(m.Groups["sign"].Value + m.Groups["timezonehour"].Value), Convert.ToInt32(m.Groups["timezoneminute"].Value), 0);
datetime = LocalToUtc(datetime, format, timeZone);
break;
case ISO8601TimeFormats.BasicLocalTimeAndZoneHour:
case ISO8601TimeFormats.ExtendedLocalTimeAndZoneHour:
datetime = new DateTime(1, 1, 1, Convert.ToInt32(m.Groups["hour"].Value), Convert.ToInt32(m.Groups["minute"].Value), Convert.ToInt32(m.Groups["second"].Value));
timeZone = new TimeSpan(Convert.ToInt32(m.Groups["sign"].Value + m.Groups["timezonehour"].Value), 0, 0);
datetime = LocalToUtc(datetime, format, timeZone);
break;
case ISO8601TimeFormats.BasicShortLocalTime:
case ISO8601TimeFormats.ExtendedShortLocalTime:
datetime = new DateTime(1, 1, 1, Convert.ToInt32(m.Groups["hour"].Value), Convert.ToInt32(m.Groups["minute"].Value), 0);
break;
default:
break;
}
return(datetime);
}
/// <summary>
/// 创建ISO8601Time对象
/// </summary>
/// <param name="datetime">日期和时间数据</param>
/// <param name="format">格式化方式</param>
/// <param name="timeZone">时差</param>
public ISO8601Time(DateTime datetime, ISO8601TimeFormats format, TimeSpan timeZone)
{
m_Value = datetime;
m_Format = format;
m_TimeZone = timeZone;
}
/// <summary>
/// 创建ISO8601Time对象
/// </summary>
/// <param name="datetime">日期和时间数据</param>
/// <param name="format">格式化方式</param>
public ISO8601Time(DateTime datetime, ISO8601TimeFormats format)
: this(datetime, format, new TimeSpan(0, 0, 0))
{
}