UNIX 时间戳 C#

/// 将Unix时间戳转换为DateTime类型时间
/// </summary>
/// <param name="d">double 型数字</param>
/// <returns>DateTime</returns>
public static System.DateTime ConvertIntDateTime(double d)
{
System.DateTime time = System.DateTime.MinValue;
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
time = startTime.AddMilliseconds(d);
return time;
}

/// <summary>
/// 将c# DateTime时间格式转换为Unix时间戳格式
/// </summary>
/// <param name="time">时间</param>
/// <returns>long</returns>
public static long ConvertDateTimeInt(System.DateTime time)
{
//double intResult = 0;
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));
//intResult = (time- startTime).TotalMilliseconds;
long t = (time.Ticks - startTime.Ticks) / 10000; //除10000调整为13位
return t;
}