Unity C# 时间戳转换工具

本工具中的时间皆为秒,如果时间为毫秒,需要先转化为秒,再进行使用
using System;
public static class Tools_TimeFormat
{
    /// <summary>
    /// 服务器发过来的时间进行格式转化
    /// </summary>
    public static string ToTimeFormatString(this long seconds)
    {
       
        //long timeLong = (System.DateTime.Now.Ticks - System.DateTime.UtcNow.Ticks) / 10000;
        //DateTime time = new DateTime(1970, 1, 1);
        //time = time.AddSeconds(seconds);
        //time = time.AddMilliseconds(timeLong);
        string ret = SecondsToDateTime(seconds).ToString("yyyy/MM/dd @ HH:mm");
        return ret;
    }
    /// <summary>
    /// UTC距1970年秒数 - 转成本地时间
    /// </summary>
    /// <param name="seconds"></param>
    /// <returns></returns>
    private static DateTime SecondsToDateTime(long seconds)
    {
        DateTime time = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(seconds).ToLocalTime();
        if (time.Year < 1970 || time.Year > 2030)
        {
            time = new DateTime(2000, time.Month, time.Day, time.Hour, time.Minute, time.Second);
        }
        return time;