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提交 9eee11e1 编写于 作者: B Blankj
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see 04/08 log

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subutil/src/main/java/com/blankj/subutil/util/LunarUtils.java
浏览文件 @ 9eee11e1
......@@ -17,7 +17,7 @@ public final class LunarUtils {
/*
* |----4位闰月|-------------13位1为30天，0为29天|
*/
private static int[] lunar_month_days = {1887, 0x1694, 0x16aa, 0x4ad5, 0xab6, 0xc4b7, 0x4ae, 0xa56, 0xb52a, 0x1d2a,
private static final int[] LUNAR_MONTH_DAYS = {1887, 0x1694, 0x16aa, 0x4ad5, 0xab6, 0xc4b7, 0x4ae, 0xa56, 0xb52a, 0x1d2a,
0xd54, 0x75aa, 0x156a, 0x1096d, 0x95c, 0x14ae, 0xaa4d, 0x1a4c, 0x1b2a, 0x8d55, 0xad4, 0x135a, 0x495d, 0x95c,
0xd49b, 0x149a, 0x1a4a, 0xbaa5, 0x16a8, 0x1ad4, 0x52da, 0x12b6, 0xe937, 0x92e, 0x1496, 0xb64b, 0xd4a, 0xda8,
0x95b5, 0x56c, 0x12ae, 0x492f, 0x92e, 0xcc96, 0x1a94, 0x1d4a, 0xada9, 0xb5a, 0x56c, 0x726e, 0x125c, 0xf92d,
......@@ -35,7 +35,7 @@ public final class LunarUtils {
0x14ae, 0x8a4e, 0x1a4c, 0x11d26, 0x1aa4, 0x1b54, 0xcd6a, 0xada, 0x95c, 0x949d, 0x149a, 0x1a2a, 0x5b25,
0x1aa4, 0xfb52, 0x16b4, 0xaba, 0xa95b, 0x936, 0x1496, 0x9a4b, 0x154a, 0x136a5, 0xda4, 0x15ac};
private static int[] solar_1_1 = {1887, 0xec04c, 0xec23f, 0xec435, 0xec649, 0xec83e, 0xeca51, 0xecc46, 0xece3a,
private static final int[] SOLAR_1_1 = {1887, 0xec04c, 0xec23f, 0xec435, 0xec649, 0xec83e, 0xeca51, 0xecc46, 0xece3a,
0xed04d, 0xed242, 0xed436, 0xed64a, 0xed83f, 0xeda53, 0xedc48, 0xede3d, 0xee050, 0xee244, 0xee439, 0xee64d,
0xee842, 0xeea36, 0xeec4a, 0xeee3e, 0xef052, 0xef246, 0xef43a, 0xef64e, 0xef843, 0xefa37, 0xefc4b, 0xefe41,
0xf0054, 0xf0248, 0xf043c, 0xf0650, 0xf0845, 0xf0a38, 0xf0c4d, 0xf0e42, 0xf1037, 0xf124a, 0xf143e, 0xf1651,
......@@ -57,62 +57,32 @@ public final class LunarUtils {
0x106a3d, 0x106c51, 0x106e47, 0x10703c, 0x10724f, 0x107444, 0x107638, 0x10784c, 0x107a3f, 0x107c53,
0x107e48};
private static int GetBitInt(final int data, final int length, final int shift) {
private static int getBitInt(final int data, final int length, final int shift) {
return (data & (((1 << length) - 1) << shift)) >> shift;
}
/**
* 从1582年10月开始算
*
* @param y 年
* @param m 月
* @param d 日
* @return 阳历
*/
private static long SolarToInt(int y, int m, final int d) {
m = (m + 9) % 12;
y = y - m / 10;
return 365 * y + y / 4 - y / 100 + y / 400 + (m * 306 + 5) / 10 + (d - 1);
}
/**
* 农历年转干支年
*
* @param lunarYear 农历年份
* @return String of Ganzhi: 甲子年 Tiangan:甲乙丙丁戊己庚辛壬癸
* Dizhi: 子丑寅卯辰巳无为申酉戌亥
* @return 干支年
*/
public static String lunarYearToGanZhi(final int lunarYear) {
public static String lunarYear2GanZhi(final int lunarYear) {
final String[] tianGan = {"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"};
final String[] diZhi = {"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"};
return tianGan[(lunarYear - 4) % 10] + diZhi[(lunarYear - 4) % 12] + "年";
}
private static Solar SolarFromInt(final long g) {
long y = (10000 * g + 14780) / 3652425;
long ddd = g - (365 * y + y / 4 - y / 100 + y / 400);
if (ddd < 0) {
y--;
ddd = g - (365 * y + y / 4 - y / 100 + y / 400);
}
long mi = (100 * ddd + 52) / 3060;
long mm = (mi + 2) % 12 + 1;
y = y + (mi + 2) / 12;
long dd = ddd - (mi * 306 + 5) / 10 + 1;
Solar solar = new Solar();
solar.solarYear = (int) y;
solar.solarMonth = (int) mm;
solar.solarDay = (int) dd;
return solar;
}
/**
* 农历转公历
*
* @param lunar 农历
* @return 阴历
* @return 公历
*/
public static Solar LunarToSolar(final Lunar lunar) {
int days = lunar_month_days[lunar.lunarYear - lunar_month_days[0]];
int leap = GetBitInt(days, 4, 13);
public static Solar lunar2Solar(final Lunar lunar) {
int days = LUNAR_MONTH_DAYS[lunar.lunarYear - LUNAR_MONTH_DAYS[0]];
int leap = getBitInt(days, 4, 13);
int offset = 0;
int loopend = leap;
if (!lunar.isLeap) {
......@@ -123,17 +93,17 @@ public final class LunarUtils {
}
}
for (int i = 0; i < loopend; i++) {
offset += GetBitInt(days, 1, 12 - i) == 1 ? 30 : 29;
offset += getBitInt(days, 1, 12 - i) == 1 ? 30 : 29;
}
offset += lunar.lunarDay;
int solar11 = solar_1_1[lunar.lunarYear - solar_1_1[0]];
int solar11 = SOLAR_1_1[lunar.lunarYear - SOLAR_1_1[0]];
int y = GetBitInt(solar11, 12, 9);
int m = GetBitInt(solar11, 4, 5);
int d = GetBitInt(solar11, 5, 0);
int y = getBitInt(solar11, 12, 9);
int m = getBitInt(solar11, 4, 5);
int d = getBitInt(solar11, 5, 0);
return SolarFromInt(SolarToInt(y, m, d) + offset - 1);
return solarFromInt(solarToInt(y, m, d) + offset - 1);
}
/**
......@@ -142,30 +112,30 @@ public final class LunarUtils {
* @param solar 公历
* @return 阴历
*/
public static Lunar SolarToLunar(final Solar solar) {
public static Lunar solar2Lunar(final Solar solar) {
Lunar lunar = new Lunar();
int index = solar.solarYear - solar_1_1[0];
int index = solar.solarYear - SOLAR_1_1[0];
int data = (solar.solarYear << 9) | (solar.solarMonth << 5) | (solar.solarDay);
int solar11 = 0;
if (solar_1_1[index] > data) {
if (SOLAR_1_1[index] > data) {
index--;
}
solar11 = solar_1_1[index];
int y = GetBitInt(solar11, 12, 9);
int m = GetBitInt(solar11, 4, 5);
int d = GetBitInt(solar11, 5, 0);
long offset = SolarToInt(solar.solarYear, solar.solarMonth, solar.solarDay) - SolarToInt(y, m, d);
solar11 = SOLAR_1_1[index];
int y = getBitInt(solar11, 12, 9);
int m = getBitInt(solar11, 4, 5);
int d = getBitInt(solar11, 5, 0);
long offset = solarToInt(solar.solarYear, solar.solarMonth, solar.solarDay) - solarToInt(y, m, d);
int days = lunar_month_days[index];
int leap = GetBitInt(days, 4, 13);
int days = LUNAR_MONTH_DAYS[index];
int leap = getBitInt(days, 4, 13);
int lunarY = index + solar_1_1[0];
int lunarY = index + SOLAR_1_1[0];
int lunarM = 1;
int lunarD = 1;
offset += 1;
for (int i = 0; i < 13; i++) {
int dm = GetBitInt(days, 1, 12 - i) == 1 ? 30 : 29;
int dm = getBitInt(days, 1, 12 - i) == 1 ? 30 : 29;
if (offset > dm) {
lunarM++;
offset -= dm;
......@@ -183,22 +153,74 @@ public final class LunarUtils {
lunar.isLeap = true;
}
}
lunar.lunarDay = lunarD;
return lunar;
}
private static Solar solarFromInt(final long g) {
long y = (10000 * g + 14780) / 3652425;
long ddd = g - (365 * y + y / 4 - y / 100 + y / 400);
if (ddd < 0) {
y--;
ddd = g - (365 * y + y / 4 - y / 100 + y / 400);
}
long mi = (100 * ddd + 52) / 3060;
long mm = (mi + 2) % 12 + 1;
y = y + (mi + 2) / 12;
long dd = ddd - (mi * 306 + 5) / 10 + 1;
Solar solar = new Solar();
solar.solarYear = (int) y;
solar.solarMonth = (int) mm;
solar.solarDay = (int) dd;
return solar;
}
private static long solarToInt(int y, int m, final int d) {
m = (m + 9) % 12;
y = y - m / 10;
return 365 * y + y / 4 - y / 100 + y / 400 + (m * 306 + 5) / 10 + (d - 1);
}
public static class Lunar {
public boolean isLeap;
public int lunarDay;
public int lunarMonth;
public int lunarYear;
public int lunarMonth;
public int lunarDay;
public boolean isLeap;
Lunar() {
}
public Lunar(int lunarYear, int lunarMonth, int lunarDay, boolean isLeap) {
this.lunarYear = lunarYear;
this.lunarMonth = lunarMonth;
this.lunarDay = lunarDay;
this.isLeap = isLeap;
}
@Override
public String toString() {
return "" + lunarYear + ", " + lunarMonth + ", " + lunarDay + ", " + isLeap;
}
}
public static class Solar {
public int solarDay;
public int solarMonth;
public int solarYear;
public int solarMonth;
public int solarDay;
Solar() {
}
public Solar(int solarYear, int solarMonth, int solarDay) {
this.solarYear = solarYear;
this.solarMonth = solarMonth;
this.solarDay = solarDay;
}
@Override
public String toString() {
return "" + solarYear + ", " + solarMonth + ", " + solarDay;
}
}
}
subutil/src/test/java/com/blankj/subutil/util/LunarUtilsTest.java 0 → 100644
浏览文件 @ 9eee11e1
package com.blankj.subutil.util;
import org.junit.Test;
/**
* <pre>
* author: Blankj
* blog : http://blankj.com
* time : 2018/04/08
* desc :
* </pre>
*/
public class LunarUtilsTest {
@Test
public void lunarYear2GanZhi() throws Exception {
System.out.println(LunarUtils.lunarYear2GanZhi(2018));
}
@Test
public void lunar2Solar() throws Exception {
System.out.println(LunarUtils.lunar2Solar(new LunarUtils.Lunar(2018, 2, 23, false)));
}
@Test
public void solar2Lunar() throws Exception {
System.out.println(LunarUtils.solar2Lunar(new LunarUtils.Solar(2018, 4, 8)));
}
}
\ No newline at end of file
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