一个通过查表方式进行阳历和阴历转换的java实现
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功能：通过查表方式实现阳历和阴历的日期转换
注：该实现是参照网络上的一个用c实现的方法转换成java的
package net.walsece.date;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class DateParse { private final static int MONTH_DAYS[] = {29, 30}; private final static int DAYS_MONTH[][] = { {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31} }; private final static int DATAS[][] = { {23, 3, 2, 17, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0}, {41, 0, 4, 23, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1}, {30, 7, 5, 28, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1}, {49, 0, 6, 33, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1}, {38, 0, 0, 38, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {26, 6, 2, 44, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0}, {45, 0, 3, 49, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {35, 0, 4, 54, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1}, {24, 4, 5, 59, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1}, {43, 0, 0, 5, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1}, {32, 0, 1, 10, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1}, {21, 2, 2, 15, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1}, {40, 0, 3, 20, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1}, {28, 7, 5, 26, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {47, 0, 6, 31, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1}, {36, 0, 0, 36, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {26, 5, 1, 41, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1}, {44, 0, 3, 47, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1}, {33, 0, 4, 52, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0}, {23, 3, 5, 57, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1}, {42, 0, 6, 2, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1}, {30, 8, 1, 8, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0}, {48, 0, 2, 13, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0}, {38, 0, 3, 18, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {27, 6, 4, 23, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0}, {45, 0, 6, 29, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0}, {35, 0, 0, 34, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1}, {24, 4, 1, 39, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0}, {43, 0, 2, 44, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0}, {32, 0, 4, 50, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1}, {20, 3, 5, 55, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0}, {39, 0, 6, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0}, {29, 7, 0, 5, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {47, 0, 2, 11, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1}, {36, 0, 3, 16, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0}, {26, 5, 4, 21, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1}, {45, 0, 5, 26, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1}, {33, 0, 0, 32, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1}, {22, 4, 1, 37, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1}, {41, 0, 2, 42, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1}, {30, 8, 3, 47, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1}, {48, 0, 5, 53, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1}, {37, 0, 6, 58, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1}, {27, 6, 0, 3, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0}, {46, 0, 1, 8, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0}, {35, 0, 3, 14, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1}, {24, 4, 4, 19, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1}, {43, 0, 5, 24, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1}, {32, 10, 6, 29, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1}, {50, 0, 1, 35, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0}, {39, 0, 2, 40, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1}, {28, 6, 3, 45, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0}, {47, 0, 4, 50, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1}, {36, 0, 6, 56, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0}, {26, 5, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1}, {45, 0, 1, 6, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0}, {34, 0, 2, 11, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0}, {22, 3, 4, 17, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0}, {40, 0, 5, 22, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0}, {30, 8, 6, 27, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1}, {49, 0, 0, 32, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1}, {37, 0, 2, 38, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1}, {27, 5, 3, 43, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1}, {46, 0, 4, 48, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1}, {35, 0, 5, 53, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1}, {23, 4, 0, 59, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {42, 0, 1, 4, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {31, 0, 2, 9, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0}, {21, 2, 3, 14, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {39, 0, 5, 20, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1}, {28, 7, 6, 25, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1}, {48, 0, 0, 30, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1}, {37, 0, 1, 35, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1}, {25, 5, 3, 41, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1}, {44, 0, 4, 46, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1}, {33, 0, 5, 51, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {22, 4, 6, 56, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {40, 0, 1, 2, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}, {30, 9, 2, 7, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1}, {49, 0, 3, 12, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1}, {38, 0, 4, 17, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0}, {27, 6, 6, 23, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1}, {46, 0, 0, 28, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0}, {35, 0, 1, 33, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0}, {24, 4, 2, 38, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1}, {42, 0, 4, 44, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, {31, 0, 5, 49, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0}, {21, 2, 6, 54, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1}, {40, 0, 0, 59, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1}, {28, 6, 2, 5, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0}, {47, 0, 3, 10, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1}, {36, 0, 4, 15, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1}, {25, 5, 5, 20, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0}, {43, 0, 0, 26, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1}, {32, 0, 1, 31, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0}, {22, 3, 2, 36, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0} }; /** * 根据阴历取得对应的阳历日期（该日期必须在1936—2028年之间） * * @param date 阴历日期（字符串） * @return 返回对应的阳历日期 * @throws Exception */ public static Date getGregorianCalendar(String date) { Calendar c = getCalendar(date); int year = c.get(Calendar.YEAR); int month = c.get(Calendar.MONTH) + 1; int day = c.get(Calendar.DAY_OF_MONTH); int index = year - 1936; int endIndex = month; if ((DATAS != 0) && (month > DATAS)) { endIndex++; } int dayNum = 0; for (int i = 0; i < (endIndex - 1); i++) { dayNum += MONTH_DAYS]; } dayNum += day; dayNum += DATAS; int year_days = 365; if (isLeapYear(year)) { year_days = 366; } if (dayNum > year_days) { year++; dayNum -= year_days; } month = 1; int dayOfMonth[] = DAYS_MONTH; if (isLeapYear(year)) { dayOfMonth = DAYS_MONTH; } int i = 0; for (; i < 12; i++) { dayNum -= dayOfMonth; if (dayNum <= 0) { break; } month++; } day = dayOfMonth + dayNum; return getDate(year + "-" + month + "-" + day); } /** * 根据阳历取得对应的阴历日期（该日期必须在1936—2028年之间） * * @param date 阳历日期（字符串） * @return 返回阴历日期 * @throws Exception */ public static Date getLunarCalendar(String date) { Calendar calendar = getCalendar(date); int year = calendar.get(Calendar.YEAR); int month = 1; int day; if ((year < 1936) || (year > 2028)) { return null; } int index = year - 1936; int l_days = DATAS; int day_year = calendar.get(Calendar.DAY_OF_YEAR); int days; if (day_year >= l_days) { days = day_year - l_days; } else { index--; year--; Calendar c = getCalendar(year + "-12-31"); days = (c.get((Calendar.DAY_OF_YEAR)) + day_year) - DATAS; } int i = 0; int day_num = 0; for (; i < 13; i++) { day_num += MONTH_DAYS]; if (day_num >= days) { break; } month++; } day = MONTH_DAYS] - (day_num - days); if ((DATAS != 0) && (month > DATAS)) { month--; } return getDate(year + "-" + month + "-" + day); } private static Calendar getCalendar(String date) { Date dd = getDate(date); Calendar calendar = Calendar.getInstance(); calendar.setTime(dd); return calendar; } private static Date getDate(String date) { DateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date dd = null; try { dd = format.parse(date); } catch (Exception e) { e.printStackTrace(); } return dd; } private static boolean isLeapYear(int year) { if ((year % 400) == 0) { return true; } else if ((year % 100) == 0) { return false; } else if ((year % 4) == 0) { return true; } return false; }}
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