using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TimestampConvert
{
    public static System.DateTime ConvertLongToDateTime(long timeStamp)
    {
        System.DateTime dtStart = System.TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
        long lTime = long.Parse(timeStamp + "0000000");
        System.TimeSpan toNow = new System.TimeSpan(lTime);
        return dtStart.Add(toNow);
    }

    public static long ConvertDateTimeToLong(System.DateTime time)
    {
        System.DateTime startTime = System.TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
        return (long)(time - startTime).TotalSeconds;
    }

    /// <summary>
    /// 获取两个时间的间隔时间/秒
    /// </summary>
    /// <param name="oldTime"></param>
    /// <param name="newTime"></param>
    /// <returns></returns>
    public static double ConverOldTiemAndNewTiemDuration(System.DateTime oldTime, System.DateTime newTime) 
    {
        System.TimeSpan ts1 = new System.TimeSpan(oldTime.Ticks);

        System.TimeSpan ts2 = new System.TimeSpan(newTime.Ticks);

        System.TimeSpan tsSub = ts1.Subtract(ts2).Duration();

        return tsSub.TotalSeconds;
    }

}