【移动应用开发技术】iOS怎么获取公历、农历日期的年月日

【移动应用开发技术】iOS怎么获取公历、农历日期的年月日

let

date:

Date

=

Date()

NSDate

*date

=

[NSDate

date];获取公历年月日用Calendar(NSCalendar)获取公历年月日let

calendar:

Calendar

=

Calendar(identifier:

.gregorian)

print("Year:",

ponent(.year,

from:

date))

print("Month:",

ponent(.month,

from:

date))

print("Day:",

ponent(.day,

from:

date))NSCalendar

*calendar

=

[NSCalendar

calendarWithIdentifier:NSCalendarIdentifierGregorian];

NSLog(@"Year:

%ld",

[calendar

component:NSCalendarUnitYear

fromDate:date]);

NSLog(@"Month:

%ld",

[calendar

component:NSCalendarUnitMonth

fromDate:date]);

NSLog(@"Day:

%ld",

[calendar

component:NSCalendarUnitDay

fromDate:date]);/upload/information/20200623/126/122491.png用Calendar和DateComponents(NSCalendar和NSDateComponents)获取公历年月日let

componentSet:

Set<Calendar.Component>

=

Set(arrayLiteral:

.year,

.month,

.day)

let

components:

DateComponents

=

calendar.dateComponents(componentSet,

from:

date)

print("Year:",

components.year!)

print("Month:",

components.month!)

print("Day:",

components.day!)NSCalendarUnit

calenderUnit

=

NSCalendarUnitYear

|

NSCalendarUnitMonth

|

NSCalendarUnitDay;

NSDateComponents

*components

=

[calendar

components:calenderUnit

fromDate:date];

NSLog(@"Year:

%ld",

components.year);

NSLog(@"Month:

%ld",

components.month);

NSLog(@"Day:

%ld",

components.day);/upload/information/20200623/126/122491.png用DateFormatter(NSDateFormatter)获取公历年月日let

formatter:

DateFormatter

=

DateFormatter()

print("Date

formatter

identifier:",

formatter.calendar.identifier)

//

gregorian

by

default

formatter.dateFormat

=

"y"

print("Year:",

formatter.string(from:

date))

formatter.dateFormat

=

"M"

print("Month:",

formatter.string(from:

date))

formatter.dateFormat

=

"d"

print("Day:",

formatter.string(from:

date))NSDateFormatter

*formatter

=

[[NSDateFormatter

alloc]

init];

NSLog(@"Date

formatter

calendar:

%@",

formatter.calendar.calendarIdentifier);

//

gregorian

by

default

formatter.dateFormat

=

@"y";

NSLog(@"Year:

%@",

[formatter

stringFromDate:date]);

formatter.dateFormat

=

@"M";

NSLog(@"Month:

%@",

[formatter

stringFromDate:date]);

formatter.dateFormat

=

@"d";

NSLog(@"Day:

%@",

[formatter

stringFromDate:date]);/upload/information/20200623/126/122492.png获取农历年月日用Calendar(NSCalendar)获取农历年月日let

calendar:

Calendar

=

Calendar(identifier:

.chinese)NSCalendar

*calendar

=

[NSCalendar

calendarWithIdentifier:NSCalendarIdentifierChinese];/upload/information/20200623/126/122493.png用Calendar和DateComponents(NSCalendar和NSDateComponents)获取农历年月日用DateFormatter(NSDateFormatter)获取农历年月日let

formatter:

DateFormatter

=

DateFormatter()

formatter.calendar

=

Calendar(identifier:

.chinese)NSDateFormatter

*formatter

=

[[NSDateFormatter

alloc]

init];

formatter.calendar

=

[NSCalendar

calendarWithIdentifier:NSCalendarIdentifierChinese];/upload/information/20200623/126/122494.png计算日期年份的生肖ChineseCalendar

的类方法

static

func

zodiac(withYear

year:

Int)

->

String

{

let

zodiacIndex:

Int

=

(year

-

1)

%

Zodiacs.count

return

Zodiacs[zodiacIndex]

}

static

func

zodiac(withDate

date:

Date)

->

String

{

let

calendar:

Calendar

=

Calendar(identifier:

.chinese)

return

zodiac(withYear:

ponent(.year,

from:

date))

}print("Chinese

zodiac

string:",

ChineseCalendar.zodiac(withDate:

date))/upload/information/20200623/126/122495.png计算日期年份的天干地支private

let

HeavenlyStems:

[String]

=

["甲",

"乙",

"丙",

"丁",

"戊",

"己",

"庚",

"辛",

"壬",

"癸"]

private

let

EarthlyBranches:

[String]

=

["子",

"丑",

"寅",

"卯",

"辰",

"巳",

"午",

"未",

"申",

"酉",

"戌",

"亥"]static

func

era(withYear

year:

Int)

->

String

{

let

heavenlyStemIndex:

Int

=

(year

-

1)

%

HeavenlyStems.count

let

heavenlyStem:

String

=

HeavenlyStems[heavenlyStemIndex]

let

earthlyBrancheIndex:

Int

=

(year

-

1)

%

EarthlyBranches.count

let

earthlyBranche:

String

=

EarthlyBranches[earthlyBrancheIndex]

return

heavenlyStem

+

earthlyBranche

}

static

func

era(withDate

date:

Date)

->

String

{

let

calendar