日期处理(转)
private void button1_Click(object sender, EventArgs e) { DateTime nDate = Convert.ToDateTime(dateTimePicker1.Text); //当前需要转换的日期 string jrDate = ChinaDate.GetChinaHoliday(nDate); //获取农历节日 string jrMonth = ChinaDate.GetMonth(nDate); //获取农历月份 string jrDay = ChinaDate.GetDay(nDate); //获取农历日期 DateTime jrSDate = ChinaDate.GetSunYearDate(nDate); //阳历转阴历 string[] weekdays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; string week = weekdays[Convert.ToInt32(nDate.DayOfWeek)]; this.textBox1.Text = jrSDate.ToString(); } /// <summary> /// 农历与阴历之间相互转化工具类 /// </summary> public class ChinaDate { #region 农历信息获取 private static ChineseLunisolarCalendar china = new ChineseLunisolarCalendar(); private static Hashtable gHoliday = new Hashtable(); private static Hashtable nHoliday = new Hashtable(); private static string[] JQ = { "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 int[] JQData = { 0, 21208, 43467, 63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758 }; static ChinaDate(){ //公历节日 gHoliday.Add("0101", "元旦"); gHoliday.Add("0214", "情人节"); gHoliday.Add("0305", "雷锋日"); gHoliday.Add("0308", "妇女节"); gHoliday.Add("0312", "植树节"); gHoliday.Add("0315", "消费者权益日"); gHoliday.Add("0401", "愚人节"); gHoliday.Add("0501", "劳动节"); gHoliday.Add("0504", "青年节"); gHoliday.Add("0601", "儿童节"); gHoliday.Add("0701", "建党节"); gHoliday.Add("0801", "建军节"); gHoliday.Add("0910", "教师节"); gHoliday.Add("1001", "国庆节"); gHoliday.Add("1224", "平安夜"); gHoliday.Add("1225", "圣诞节"); //农历节日 nHoliday.Add("0101", "春节"); nHoliday.Add("0115", "元宵节"); nHoliday.Add("0505", "端午节"); nHoliday.Add("0815", "中秋节"); nHoliday.Add("0909", "重阳节"); nHoliday.Add("1208", "腊八节"); } /// <summary> /// 获取农历 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetChinaDate(DateTime dt){ if (dt > china.MaxSupportedDateTime || dt < china.MinSupportedDateTime){ //日期范围:1901 年 2 月 19 日 - 2101 年 1 月 28 日 throw new Exception(string.Format("日期超出范围!必须在{0}到{1}之间!", china.MinSupportedDateTime.ToString("yyyy-MM-dd"), china.MaxSupportedDateTime.ToString("yyyy-MM-dd"))); } string str = string.Format("{0} {1}{2}", GetYear(dt), GetMonth(dt), GetDay(dt)); string strJQ = GetSolarTerm(dt); if (strJQ != ""){ str += " (" + strJQ + ")"; } string strHoliday = GetHoliday(dt); if (strHoliday != ""){ str += " " + strHoliday; } string strChinaHoliday = GetChinaHoliday(dt); if (strChinaHoliday != ""){ str += " " + strChinaHoliday; } return str; } /// <summary> /// 获取农历年份 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetYear(DateTime dt) { int yearIndex = china.GetSexagenaryYear(dt); string yearTG = " 甲乙丙丁戊己庚辛壬癸"; string yearDZ = " 子丑寅卯辰巳午未申酉戌亥"; string yearSX = " 鼠牛虎兔龙蛇马羊猴鸡狗猪"; int year = china.GetYear(dt); int yTG = china.GetCelestialStem(yearIndex); int yDZ = china.GetTerrestrialBranch(yearIndex); string str = string.Format("[{1}]{2}{3}{0}", year, yearSX[yDZ], yearTG[yTG], yearDZ[yDZ]); return str; } /// <summary> /// 获取农历月份 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetMonth(DateTime dt){ int year = china.GetYear(dt); int iMonth = china.GetMonth(dt); int leapMonth = china.GetLeapMonth(year); bool isLeapMonth = iMonth == leapMonth; if (leapMonth != 0 && iMonth >= leapMonth){ iMonth--; } string szText = "正二三四五六七八九十"; string strMonth = isLeapMonth ? "闰" : ""; if (iMonth <= 10){ strMonth += szText.Substring(iMonth - 1, 1); } else if (iMonth == 11){ strMonth += "十一"; } else{ strMonth += "腊"; } return strMonth + "月"; } /// <summary> /// 获取农历日期 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetDay(DateTime dt){ int iDay = china.GetDayOfMonth(dt); string szText1 = "初十廿三"; string szText2 = "一二三四五六七八九十"; string strDay; if (iDay == 20){ strDay = "二十"; } else if (iDay == 30){ strDay = "三十"; } else{ strDay = szText1.Substring((iDay - 1) / 10, 1); strDay = strDay + szText2.Substring((iDay - 1) % 10, 1); } return strDay; } /// <summary> /// 获取节气 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetSolarTerm(DateTime dt){ DateTime dtBase = new DateTime(1900, 1, 6, 2, 5, 0); DateTime dtNew; double num; int y; string strReturn = ""; y = dt.Year; for (int i = 1; i <= 24; i++){ num = 525948.76 * (y - 1900) + JQData[i - 1]; dtNew = dtBase.AddMinutes(num); if (dtNew.DayOfYear == dt.DayOfYear){ strReturn = JQ[i - 1]; } } return strReturn; } /// <summary> /// 获取公历节日 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetHoliday(DateTime dt){ string strReturn = ""; object g = gHoliday[dt.Month.ToString("00") + dt.Day.ToString("00")]; if (g != null){ strReturn = g.ToString(); } return strReturn; } /// <summary> /// 获取农历节日 /// </summary> /// <param name="dt"></param> /// <returns></returns> public static string GetChinaHoliday(DateTime dt){ string strReturn = ""; int year = china.GetYear(dt); int iMonth = china.GetMonth(dt); int leapMonth = china.GetLeapMonth(year); int iDay = china.GetDayOfMonth(dt); if (china.GetDayOfYear(dt) == china.GetDaysInYear(year)){ strReturn = "除夕"; } else if (leapMonth != iMonth){ if (leapMonth != 0 && iMonth >= leapMonth){ iMonth--; } object n = nHoliday[iMonth.ToString("00") + iDay.ToString("00")]; if (n != null){ if (strReturn == ""){ strReturn = n.ToString(); } else{ strReturn += " " + n.ToString(); } } } return strReturn; } #endregion #region 阴历-阳历-转换 /// <summary> /// 阴历转为阳历 /// </summary> /// <param name="year">指定的年份</param> public static DateTime GetLunarYearDate(DateTime dt){ int cnYear = china.GetYear(dt); int cnMonth = china.GetMonth(dt); int num1 = 0; int num2 = china.IsLeapYear(cnYear) ? 13 : 12; while (num2 >= cnMonth){ num1 += china.GetDaysInMonth(cnYear, num2--); } num1 = num1 - china.GetDayOfMonth(dt) + 1; return dt.AddDays(num1); } /// <summary> /// 阳历转为阴历 /// </summary> /// <param name="dt">公历日期</param> /// <returns>农历的日期</returns> public static DateTime GetSunYearDate(DateTime dt){ int year = china.GetYear(dt); int iMonth = china.GetMonth(dt); int iDay = china.GetDayOfMonth(dt); int leapMonth = china.GetLeapMonth(year); bool isLeapMonth = iMonth == leapMonth; if (leapMonth != 0 && iMonth >= leapMonth){ iMonth--; } string str = string.Format("{0}-{1}-{2}", year, iMonth, iDay); DateTime dtNew = DateTime.Now; try{ dtNew = Convert.ToDateTime(str); //防止出现2月份时,会出现超过时间,出现“2015-02-30”这种错误日期 } catch {} return dtNew; } #endregion }