From 1a1c8e71fcd14858f595029f089b2d4a00202b32 Mon Sep 17 00:00:00 2001
From: ogi <Administrator@S-OGI-PC>
Date: Fri, 05 Dec 2025 09:24:16 +0900
Subject: [PATCH] プロジェクトファイルを追加。
---
HotelPms.Share.Windows/Util/JapaneseDateTime.cs | 182 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 182 insertions(+), 0 deletions(-)
diff --git a/HotelPms.Share.Windows/Util/JapaneseDateTime.cs b/HotelPms.Share.Windows/Util/JapaneseDateTime.cs
new file mode 100644
index 0000000..c7d45d8
--- /dev/null
+++ b/HotelPms.Share.Windows/Util/JapaneseDateTime.cs
@@ -0,0 +1,182 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelPms.Share.Windows.Util
+{
+ public class JapaneseDateTime
+ {
+ private int year, month, dayOfMonth;
+ private bool isLeap;
+ private DateTime time;
+ //System.Globalization.ChineseLunisolarCalendar cc;
+ System.Globalization.JapaneseLunisolarCalendar cc;
+ private static string[] RokuyouList = new string[] { "大安", "赤口", "先勝", "友引", "先負", "仏滅" };
+
+ /// <summary>
+ /// 旧暦年
+ /// </summary>
+ public int Year
+ {
+ get { return year; }
+ }
+
+ /// <summary>
+ /// 旧暦月
+ /// </summary>
+ public int Month
+ {
+ get { return month; }
+ }
+
+ /// <summary>
+ /// 新暦時間
+ /// </summary>
+ public DateTime NewTime
+ {
+ get { return time; }
+ }
+
+ /// <summary>
+ /// 旧暦時間
+ /// </summary>
+ public DateTime OldTime
+ {
+ get { return new DateTime(year, month, dayOfMonth); }
+ }
+
+ /// <summary>
+ /// 旧暦日
+ /// </summary>
+ public int DayOfMonth
+ {
+ get { return dayOfMonth; }
+ }
+
+ /// <summary>
+ /// 閏月かどうか
+ /// </summary>
+ public bool IsLeap
+ {
+ get { return isLeap; }
+ }
+
+ /// <summary>
+ /// 指定日付で旧暦を変換する
+ /// </summary>
+ /// <param name="time"></param>
+ public JapaneseDateTime(DateTime time)
+ {
+ //cc = new System.Globalization.ChineseLunisolarCalendar();
+ cc = new System.Globalization.JapaneseLunisolarCalendar();
+
+ if (time > cc.MaxSupportedDateTime || time < cc.MinSupportedDateTime)
+ throw new Exception("Out Of Range ：" + cc.MinSupportedDateTime.ToShortDateString() + "～" + cc.MaxSupportedDateTime.ToShortDateString());
+ year = cc.GetYear(time);
+ month = cc.GetMonth(time);
+ dayOfMonth = cc.GetDayOfMonth(time);
+ isLeap = cc.IsLeapMonth(year, month);
+ if (cc.IsLeapYear(year) && month >= cc.GetLeapMonth(year)) { month -= 1; }
+ this.time = time;
+ }
+
+ public static JapaneseDateTime Now
+ {
+ get { return new JapaneseDateTime(DateTime.Now); }
+ }
+
+ public JapaneseDateTime(int Year, int Month, int DayOfMonth, bool IsLeap)
+ {
+ if (Year >= cc.MaxSupportedDateTime.Year || Year <= cc.MinSupportedDateTime.Year)
+ throw new Exception("Out Of Range ：：" + cc.MinSupportedDateTime.ToShortDateString() + "～" + cc.MaxSupportedDateTime.ToShortDateString());
+
+ if (Month < 1 || Month > 12)
+ throw new Exception("日付が不正です。");
+ //cc = new System.Globalization.ChineseLunisolarCalendar();
+ cc = new System.Globalization.JapaneseLunisolarCalendar();
+
+ if (cc.GetLeapMonth(Year) != Month && IsLeap)
+ throw new Exception("GetLeapMonth Error");
+ if (cc.GetDaysInMonth(Year, IsLeap ? Month + 1 : Month) < DayOfMonth || DayOfMonth < 1)
+ throw new Exception("Day Error");
+ year = Year;
+ month = Month;
+ dayOfMonth = DayOfMonth;
+ isLeap = IsLeap;
+ time = DateTime.Now;
+ }
+
+ /// <summary>
+ /// 旧暦⇒新暦
+ /// </summary>
+ /// <returns></returns>
+ public DateTime ToDateTime()
+ {
+ return cc.ToDateTime(year, isLeap ? month + 1 : month, dayOfMonth, time.Hour, time.Minute, time.Second, time.Millisecond);
+ }
+
+ /// <summary>
+ /// 旧暦⇒新暦
+ /// </summary>
+ /// <returns></returns>
+ public static DateTime ToDateTime(JapaneseDateTime CnTime)
+ {
+ return CnTime.ToDateTime();
+ }
+
+ /// <summary>
+ /// 新暦⇒旧暦
+ /// </summary>
+ /// <returns></returns>
+ public static JapaneseDateTime ToJapaneseDateTime(DateTime Time)
+ {
+ return new JapaneseDateTime(Time);
+ }
+
+ /// <summary>
+ /// 新暦⇒旧暦
+ /// </summary>
+ /// <returns></returns>
+ public static string ToJapaneseDateString(DateTime Time)
+ {
+ return ToJapaneseDateString(Time, "yyyy/MM/dd");
+ }
+
+ /// <summary>
+ /// 新暦⇒旧暦
+ /// </summary>
+ /// <returns></returns>
+ public static string ToJapaneseDateString(DateTime Time, string format)
+ {
+ try
+ {
+ JapaneseDateTime jpDate = new JapaneseDateTime(Time);
+ return jpDate.OldTime.ToString(format);
+ }
+ catch
+ {
+ return string.Empty;
+ }
+ }
+
+ /// <summary>
+ /// 新暦⇒六曜
+ /// </summary>
+ /// <returns></returns>
+ public static string ToRokuyou(DateTime Time)
+ {
+ try
+ {
+ JapaneseDateTime jpDate = new JapaneseDateTime(Time);
+ int index = (jpDate.Month + jpDate.DayOfMonth) % 6;
+ return RokuyouList[index];
+ }
+ catch
+ {
+ return string.Empty;
+ }
+ }
+ }
+}
--
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