Unity_EditorWindow 时间戳与时间相互转化 辅助工具

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

public class TimeLookEditor : EditorWindow
{
    [MenuItem("Tools/时间戳")]
    public static void ShowTime()
    {
        EditorWindow.GetWindow(typeof(TimeLookEditor)); //>(false,"",true);
    }

    private string mTimeFormat;
    private long mNumFormat;
    private long mLastNum;
    private string mLastTime;
    private long mCurZeroTime;
    private long mOtherNums;
    void OnGUI()
    {
        EditorGUILayout.LongField("当前时间戳(单位为秒):", GetNowTime());
        EditorGUILayout.BeginVertical("Box");
        {
            mNumFormat = EditorGUILayout.LongField("时间戳:", mNumFormat);
            mTimeFormat = EditorGUILayout.TextField("时间格式", mTimeFormat);
            if (GUILayout.Button("转换", GUILayout.Height(27)))
            {
                if (mNumFormat != 0 && mNumFormat != mLastNum)
                {
                    mTimeFormat = ShowTimeFormat(mNumFormat);
                }
                else if (string.IsNullOrEmpty(mTimeFormat) == false && mTimeFormat.Equals(mLastTime) == false)
                {
                    mNumFormat = ShowNumFormat(mTimeFormat);
                }
                else
                {
                    Debug.Log("当前=" + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss") + "," + GetNowLong());
                }
                mLastNum = mNumFormat;
                mLastTime = mTimeFormat;
            }
            GUILayout.Space(12);
            if (mNumFormat != 0)
            {
                if (GUILayout.Button("当天0点0分的时间戳", GUILayout.Height(27)))
                {
                    mCurZeroTime = 0;
                    mCurZeroTime = ShowZeroTime(mNumFormat);
                }
                if (mCurZeroTime != 0)
                {
                    mCurZeroTime = EditorGUILayout.LongField("当天0点0分时间戳:", mCurZeroTime);
                }
                GUILayout.Space(12);
                mOtherNums = EditorGUILayout.LongField("此时间戳第几天", mOtherNums);
                if (GUILayout.Button("当天是第几天", GUILayout.Height(27)))
                {
                    ShowSortDay(mNumFormat, mOtherNums);
                }
            }
        }
        EditorGUILayout.EndVertical();
    }

    /// <summary> 当天0点0分  若算毫秒,自行*1000</summary>
    private long ShowZeroTime(long pNum)
    {
        var tStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); // 当地时区
        var tDT = tStart.AddSeconds(pNum);
        var tH = tDT.Hour;
        var tM = tDT.Minute;
        var tS = tDT.Second;
        var tZero = pNum - (3600 * tH + 60 * tM + tS);
        return tZero;
    }
    /// <summary> 当天0点0分  若算毫秒,自行*1000</summary>
    private string ShowSortDay(long pStart, long pEnd)
    {
        var tStart = ShowZeroTime(pStart);
        var tSp = pEnd - tStart;
        var t = (tSp / 86400) + 1;
        Debug.Log("第" + t + "天");
        return (t).ToString();//第几天要加上1
    }

    private long ShowNumFormat(string pTime)
    {
        var tTime = DateTime.Parse(pTime);
        TimeSpan cha = (tTime - TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)));
        long t = (long)cha.TotalSeconds;
        return t;
    }

    string ShowTimeFormat(long pNum)
    {
        DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); // 当地时区
        DateTime dt = startTime.AddSeconds(pNum);
        var t = dt.ToString("yyyy/MM/dd HH:mm:ss");
        return t;
    }

    string GetNowLong()
    {
        TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
        return ((long)ts.TotalSeconds).ToString();
    }
  long GetNowTime()
    {
        TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
        return ((long)ts.TotalSeconds);
    }
}