timestamp.cs

/// <summary>
/// DateTime转Unix时间戳
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public static long ToTimestamp(this DateTime time)
{
    return (time.ToUniversalTime().Ticks - 621355968000000000) / 10000000;
}

/// <summary>
/// Unix时间戳转DateTime
/// </summary>
/// <param name="timestamp"></param>
/// <returns></returns>
public static DateTime FromTimestamp(this long timestamp)
{
    return new DateTime((timestamp * 10000000) + 621355968000000000, DateTimeKind.Utc).ToLocalTime();
}