Elight.Utility/Core/ChineseDateTime.cs

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using System;
using System.Globalization;
using System.Linq;
using System.Linq.Expressions;
using System.Text;

namespace Elight.Utility.Core
{
    /// <summary>
    /// ChineseDateTime
    /// 一日有十二时辰，一时辰有四刻，一刻有三盏茶，一盏茶有两柱香
    /// 一柱香有五分，一分有六弹指，一弹指有十刹那，一刹那为一念
    /// </summary>
    public class ChineseDateTime
    {
        #region ====== 内部常量 ======
        private readonly ChineseLunisolarCalendar _chineseDateTime;
        private readonly DateTime _dateTime;
        private readonly int _serialMonth;

        private static readonly string[] _chineseNumber = { "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
        private static readonly string[] _chineseMonth =
        {
            "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬", "腊"
        };
        private static readonly string[] _chineseDay =
        {
            "初一", "初二", "初三", "初四", "初五", "初六", "初七", "初八", "初九", "初十",
            "十一", "十二", "十三", "十四", "十五", "十六", "十七", "十八", "十九", "二十",
            "廿一", "廿二", "廿三", "廿四", "廿五", "廿六", "廿七", "廿八", "廿九", "三十"
        };
        private static readonly string[] _chineseWeek =
        {
            "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"
        };

        private static readonly string[] _celestialStem = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };
        private static readonly string[] _terrestrialBranch = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };
        private static readonly string[] _chineseZodiac = { "鼠", "牛", "虎", "免", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" };

        private static readonly string[] _solarTerm =
        {
            "小寒", "大寒", "立春", "雨水", "惊蛰", "春分",
            "清明", "谷雨", "立夏", "小满", "芒种", "夏至",
            "小暑", "大暑", "立秋", "处暑", "白露", "秋分",
            "寒露", "霜降", "立冬", "小雪", "大雪", "冬至"
        };
        private static readonly int[] _solarTermInfo = {
            0, 21208, 42467, 63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989,
            308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758
        };
        #endregion

        #region ======= 构建日期 ======

        public ChineseDateTime(DateTime dateTime)
        {
            _chineseDateTime = new ChineseLunisolarCalendar();
            if (dateTime < _chineseDateTime.MinSupportedDateTime || dateTime > _chineseDateTime.MaxSupportedDateTime)
            {