簡單的日期轉換，簡單日期轉換
private void button1_Click(object sender, EventArgs e){
DateTime nDate = Convert.ToDateTime(dateTimePicker1.Text); //當前需要轉換的日期
string jrDate = ChinaDate.GetChinaHoliday(nDate); //獲取農歷節日
string jrMonth = ChinaDate.GetMonth(nDate); //獲取農歷月份
string jrDay = ChinaDate.GetDay(nDate); //獲取農歷日期
DateTime jrSDate = ChinaDate.GetSunYearDate(nDate); //陽歷轉陰歷
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>
/// 農歷與陰歷之間相互轉化工具類
/// </summary>
public class ChinaDate
{
#region 農歷信息獲取
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", "驚蟄", "春分", "清明", "谷雨", "立夏", "小滿", "芒種", "夏至", "小暑", "大暑", "立秋", "處暑", "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(){
//公歷節日
gHoliday.Add("0101", "元旦");
gHoliday.Add("0214", "情人節");
gHoliday.Add("0305", "雷鋒日");
gHoliday.Add("0308", "婦女節");
gHoliday.Add("0312", "植樹節");
gHoliday.Add("0315", "消費者權益日");
gHoliday.Add("0401", "愚人節");
gHoliday.Add("0501", "勞動節");
gHoliday.Add("0504", "青年節");
gHoliday.Add("0601", "兒童節");
gHoliday.Add("0701", "建黨節");
gHoliday.Add("0801", "建軍節");
gHoliday.Add("0910", "教師節");
gHoliday.Add("1001", "國慶節");
gHoliday.Add("1224", "平安夜");
gHoliday.Add("1225", "聖誕節");
//農歷節日
nHoliday.Add("0101", "春節");
nHoliday.Add("0115", "元宵節");
nHoliday.Add("0505", "端午節");
nHoliday.Add("0815", "中秋節");
nHoliday.Add("0909", "重陽節");
nHoliday.Add("1208", "臘八節");
}
/// <summary>
/// 獲取農歷
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
public static string GetChinaDate(DateTime dt){
if (dt > china.MaxSupportedDateTime || dt < china.MinSupportedDateTime){
//日期范圍：1901 年 2 月 19 日 - 2101 年 1 月 28 日
throw new Exception(string.Format("日期超出范圍！必須在{0}到{1}之間！", 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>
/// 獲取農歷年份
/// </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 = " 鼠牛虎兔龍蛇馬羊猴雞狗豬";
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>
/// 獲取農歷月份
/// </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 ? "閏" : "";
if (iMonth <= 10){
strMonth += szText.Substring(iMonth - 1, 1);
}
else if (iMonth == 11){
strMonth += "十一";
}
else{
strMonth += "臘";
}
return strMonth + "月";
}
/// <summary>
/// 獲取農歷日期
/// </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>
/// 獲取節氣
/// </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>
/// 獲取公歷節日
/// </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>
/// 獲取農歷節日
/// </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 陰歷-陽歷-轉換
/// <summary>
/// 陰歷轉為陽歷
/// </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>
/// 陽歷轉為陰歷
/// </summary>
/// <param name="dt">公歷日期</param>
/// <returns>農歷的日期</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); //防止出現2月份時，會出現超過時間，出現“2015-02-30”這種錯誤日期
}
catch
{}
return dtNew;
}
#endregion
}
