ios 获取24节气的方法 （1901-2100）
调用getSolartermsMsg 传入公历年月日即可
#define baseYear 1901
@property (nonatomic, strong) NSCalendar *gregorianCalendar;
@property (nonatomic, strong) NSArray *sectionalTermMap;
@property (nonatomic, strong) NSArray *sectionalTermYear;
@property (nonatomic, strong) NSArray *principleTermMap;
@property (nonatomic, strong) NSArray *principleTermYear;
@property (nonatomic, strong) NSArray *principleTermNames;
@property (nonatomic, strong) NSArray *sectionalTermNames;
- (NSString *)getSolartermsMsg:(NSInteger)gregorianYear gregorianMonth:(NSInteger)gregorianMonth gregorianDate:(NSInteger)gregorianDate{
int sectionalTerm = [self sectionalTerm:gregorianYear mother:gregorianMonth];
int principleTerm = [self principleTerm:gregorianYear mother:gregorianMonth];
NSString *str = @"";
if (gregorianDate == sectionalTerm) {
str = self.sectionalTermNames[gregorianMonth - 1];
} else if (gregorianDate == principleTerm) {
str = self.principleTermNames[gregorianMonth - 1];
}
return str;
}
- (int)sectionalTerm:(NSInteger)y mother:(NSInteger)m{
if (y < 1901 || y > 2100){
return 0;
}
NSInteger index = 0;
NSInteger ry = y - baseYear + 1;
while (ry >= [self.sectionalTermYear[m - 1][index] intValue]) {
index++;
}
int term = [self.sectionalTermMap[m - 1][4 * index + ry % 4] intValue];
if ((ry == 121) && (m == 4)){
term = 5;
}
if ((ry == 132) && (m == 4)){
term = 5;
}
if ((ry == 194) && (m == 6)){
term = 6;
}
return term;
}
- (int)principleTerm:(NSInteger)y mother:(NSInteger)m{
if (y < 1901 || y > 2100){
return 0;
}
int index = 0;
NSInteger ry = y - baseYear + 1;
while (ry >= [self.principleTermYear[m - 1][index] intValue]) {
index++;
}
int term = [self.principleTermMap[m - 1][4 * index + ry % 4] intValue];
if ((ry == 171) && (m == 3)){
term = 21;
}
if ((ry == 181) && (m == 5)){
term = 21;
}
return term;
}
-(NSCalendar *)gregorianCalendar{
if (!_gregorianCalendar) {
_gregorianCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
}
return _gregorianCalendar;
}
-(NSArray *)principleTermNames{
if (!_principleTermNames) {
_principleTermNames = @[@"大寒", @"雨水", @"春分", @"谷雨", @"小满", @"夏至", @"大暑", @"处暑", @"秋分", @"霜降", @"小雪", @"冬至"];
}
return _principleTermNames;
}
-(NSArray *)sectionalTermNames{
if (!_sectionalTermNames) {
_sectionalTermNames = @[@"小寒", @"立春", @"惊蛰", @"清明", @"立夏", @"芒种", @"小暑", @"立秋", @"白露", @"寒露", @"立冬", @"大雪"];
}
return _sectionalTermNames;
}
-(NSArray *)sectionalTermMap{
if (!_sectionalTermMap) {
_sectionalTermMap = @[
@[@(7), @(6), @(6), @(6), @(6), @(6), @(6), @(6), @(6), @(5), @(6), @(6), @(6), @(5), @(5), @(6), @(6), @(5), @(5), @(5), @(5), @(5), @(5), @(5), @(5), @(4), @(5), @(5)],
@[@(5), @(4), @(5), @(5), @(5), @(4), @(4), @(5), @(5), @(4), @(4), @(4), @(4), @(4), @(4), @(4), @(4), @(3), @(4), @(4), @(4), @(3), @(3), @(4), @(4), @(3), @(3), @(3)],
@[@(6), @(6), @(6), @(7), @(6), @(6), @(6), @(6), @(5), @(6), @(6), @(6), @(5), @(5), @(6), @(6), @(5), @(5), @(5), @(6), @(5), @(5), @(5), @(5), @(4), @(5), @(5), @(5), @(5)],
@[@(5), @(5), @(6), @(6), @(5), @(5), @(5), @(6), @(5), @(5), @(5), @(5), @(4), @(5), @(5), @(5), @(4), @(4), @(5), @(5), @(4), @(4), @(4), @(5), @(4), @(4), @(4), @(4), @(5)],
@[@(6), @(6), @(6), @(7), @(6), @(6), @(6), @(6), @(5), @(6), @(6), @(6), @(5), @(5), @(6), @(6), @(5), @(5), @(5), @(6), @(5), @(5), @(5), @(5), @(4), @(5), @(5), @(5), @(5)],
@[@(6), @(6), @(7), @(7), @(6), @(6), @(6), @(7), @(6), @(6), @(6), @(6), @(5), @(6), @(6), @(6), @(5), @(5), @(6), @(6), @(5), @(5), @(5), @(6), @(5), @(5), @(5), @(5), @(4), @(5), @(5), @(5), @(5)],
@[@(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(7), @(7), @(7), @(8), @(7), @(7), @(7), @(7), @(6), @(7), @(7), @(7), @(6), @(6), @(7), @(7), @(6), @(6), @(6), @(7), @(7)],
@[@(8), @(8), @(8), @(9), @(8), @(8), @(8), @(8), @(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(7), @(7), @(7), @(8), @(7), @(7), @(7), @(7), @(6), @(7), @(7), @(7), @(6), @(6), @(7), @(7), @(7)],
@[@(8), @(8), @(8), @(9), @(8), @(8), @(8), @(8), @(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(7), @(7), @(7), @(8), @(7), @(7), @(7), @(7), @(6), @(7), @(7), @(7), @(7)],
@[@(9), @(9), @(9), @(9), @(8), @(9), @(9), @(9), @(8), @(8), @(9), @(9), @(8), @(8), @(8), @(9), @(8), @(8), @(8), @(8), @(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(8)],
@[@(8), @(8), @(8), @(8), @(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(7), @(7), @(7), @(8), @(7), @(7), @(7), @(7), @(6), @(7), @(7), @(7), @(6), @(6), @(7), @(7), @(7)],
@[@(7), @(8), @(8), @(8), @(7), @(7), @(8), @(8), @(7), @(7), @(7), @(8), @(7), @(7), @(7), @(7), @(6), @(7), @(7), @(7), @(6), @(6), @(7), @(7), @(6), @(6), @(6), @(7), @(7)]
];
}
return _sectionalTermMap;
}
- (NSArray *)sectionalTermYear{
if (!_sectionalTermYear) {
_sectionalTermYear = @[
@[@13, @49, @85, @117, @149, @185, @201, @250, @250],
@[@13, @45, @81, @117, @149, @185, @201, @250, @250],
@[@13, @48, @84, @112, @148, @184, @200, @201, @250],
@[@13, @45, @76, @108, @140, @172, @200, @201, @250],
@[@13, @44, @72, @104, @132, @168, @200, @201, @250],
@[@5, @33, @68, @96, @124, @152, @188, @200, @201],
@[@29, @57, @85, @120, @148, @176, @200, @201, @250],
@[@13, @48, @76, @104, @132, @168, @196, @200, @201],
@[@25, @60, @88, @120, @148, @184, @200, @201, @250],
@[@16, @44, @76, @108, @144, @172, @200, @201, @250],
@[@28, @60, @92, @124, @160, @192, @200, @201, @250],
@[@17, @53, @85, @124, @156, @188, @200, @201, @250]
];
}
return _sectionalTermYear;
}
-(NSArray *)principleTermMap{
if (!_principleTermMap) {
_principleTermMap = @[
@[@21, @21, @21, @21, @21, @20, @21, @21, @21, @20, @20, @21, @21, @20, @20, @20, @20, @20, @20, @20, @20, @19, @20, @20, @20, @19, @19, @20],
@[@20, @19, @19, @20, @20, @19, @19, @19, @19, @19, @19, @19, @19, @18, @19, @19, @19, @18, @18, @19, @19, @18, @18, @18, @18, @18, @18, @18],
@[@21, @21, @21, @22, @21, @21, @21, @21, @20, @21, @21, @21, @20, @20, @21, @21, @20, @20, @20, @21, @20, @20, @20, @20, @19, @20, @20, @20, @20],
@[@20, @21, @21, @21, @20, @20, @21, @21, @20, @20, @20, @21, @20, @20, @20, @20, @19, @20, @20, @20, @19, @19, @20, @20, @19, @19, @19, @20, @20],
@[@21, @22, @22, @22, @21, @21, @22, @22, @21, @21, @21, @22, @21, @21, @21, @21, @20, @21, @21, @21, @20, @20, @21, @21, @20, @20, @20, @21, @21],
@[@22, @22, @22, @22, @21, @22, @22, @22, @21, @21, @22, @22, @21, @21, @21, @22, @21, @21, @21, @21, @20, @21, @21, @21, @20, @20, @21, @21, @21],
@[@23, @23, @24, @24, @23, @23, @23, @24, @23, @23, @23, @23, @22, @23, @23, @23, @22, @22, @23, @23, @22, @22, @22, @23, @22, @22, @22, @22, @23],
@[@23, @24, @24, @24, @23, @23, @24, @24, @23, @23, @23, @24, @23, @23, @23, @23, @22, @23, @23, @23, @22, @22, @23, @23, @22, @22, @22, @23, @23],
@[@23, @24, @24, @24, @23, @23, @24, @24, @23, @23, @23, @24, @23, @23, @23, @23, @22, @23, @23, @23, @22, @22, @23, @23, @22, @22, @22, @23, @23],
@[@24, @24, @24, @24, @23, @24, @24, @24, @23, @23, @24, @24, @23, @23, @23, @24, @23, @23, @23, @23, @22, @23, @23, @23, @22, @22, @23, @23, @23],
@[@23, @23, @23, @23, @22, @23, @23, @23, @22, @22, @23, @23, @22, @22, @22, @23, @22, @22, @22, @22, @21, @22, @22, @22, @21, @21, @22, @22, @22],
@[@22, @22, @23, @23, @22, @22, @22, @23, @22, @22, @22, @22, @21, @22, @22, @22, @21, @21, @22, @22, @21, @21, @21, @22, @21, @21, @21, @21, @22]];
}
return _principleTermMap;
}
-(NSArray *)principleTermYear{
if (!_principleTermYear) {
_principleTermYear = @[
@[@13, @45, @81, @113, @149, @185, @201],
@[@21, @57, @93, @125, @161, @193, @201],
@[@21, @56, @88, @120, @152, @188, @200, @201],
@[@21, @49, @81, @116, @144, @176, @200, @201],
@[@17, @49, @77, @112, @140, @168, @200, @201],
@[@28, @60, @88, @116, @148, @180, @200, @201],
@[@25, @53, @84, @112, @144, @172, @200, @201],
@[@29, @57, @89, @120, @148, @180, @200, @201],
@[@17, @45, @73, @108, @140, @168, @200, @201],
@[@28, @60, @92, @124, @160, @192, @200, @201],
@[@16, @44, @80, @112, @148, @180, @200, @201],
@[@17, @53, @88, @120, @156, @188, @200, @201]
];
}
return _principleTermYear;
}