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20161226 日付のあれこれ
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Kei Ito
December 26, 2016
Programming
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1.1k
20161226 日付のあれこれ
関モバ #21の資料です
Kei Ito
December 26, 2016
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Transcript
ͷ͋Ε͜Ε ؔϞόΠϧΞϓϦݚڀձ !JUPL@UXJU
!JUPL@UXJU w ͍ͱ͏͚͍ʢJUPLʣ w ɹɹɹɹɹɹͷதͷਓ w ެࢲڞʹϓϩάϥϚJ04.BDʢͨ·ʹ"OESPJE8JOEPXTʣ w IUUQJUPLKQ IUUQTPSBLB[FDPKQ
,PUMJO͡Ί·ͨ͠
ͷ͋Ε͜Ε J04NBD04UW04ڞ௨
ओͳΫϥεͨͪ w %BUF'PSNBUUFS w *40%BUF'PSNBUUFS w %BUF*OUFSWBM'PSNBUUFS w %BUF$PNQPOFOUT'PSNBUUFS w
$BMFOEBS w %BUF$PNQPOFOUT w %BUF*OUFSWBM
%BUF'PSNBUUFS *40%BUF'PSNBUUFS %BUF'PSNBUUFS %BUF*OUFSWBM'PSNBUUFS %BUF$PNQPOFOUT'PSNBUUFS 'PSNBUUFS
let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from:
date) // 201612݄26 let formatter = DateFormatter() formatter.locale = Locale(identifier: “fr_FR") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from: date) // 26 décembre 2016 let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.calendar = Calendar(identifier: .japanese) formatter.setLocalizedDateFormatFromTemplate("GyMd") formatter.string(from: date) // ฏ2812݄26 %BUF'PSNBUUFS
let formatter = ISO8601DateFormatter() formatter.string(from: date) // 2016-12-26T04:23:50Z formatter.formatOptions =
[.withFullDate, .withFullTime, .withSpaceBetweenDateAndTime] formatter.string(from: date) // 2016-12-26 04:23:50Z *40%BUF'PSNBUUFS
let formatter = DateIntervalFormatter() formatter.string(from: now, to: future) // 2016/12/26
19࣌00ʙ21࣌00 formatter.dateTemplate = "Hm" formatter.string(from: now, to: future) // 19࣌00ʙ21࣌00 %BUF*OUFSWBM'PSNBUUFS
%BUF$PNQPOFOUT'PSNBUUFS let formatter = DateComponentsFormatter() formatter.string(from: now, to: future) //
1 5:27:50 formatter.allowedUnits = [.hour, .minute] formatter.string(from: now, to: future) // 29:27 comp.includesApproximationPhrase = true comp.string(from: now, to: future) // About 29:27
$BMFOEBS // ࠓʁ calendar.isDateInToday(date) // ಉ͡ʁ calendar.isDate(date, inSameDayAs: future) //
ͦͷͷ಄ calendar.startOfDay(for: date)
let interval = DateInterval(start: date, end: future) intervalFormatter.string(from: interval) //
2016/12/26 19࣌00ʙ21࣌00 ॏͳ͍ͬͯΔ͔ interval.intersects(interval2) // ॏͳΓ෦Λநग़ interval.intersection(with: interval2) %BUF*OUFSWBM
·ͱΊ w ॲཧ݁ߏେม w J04͘Β͍͔Β͍ͣͿΜͱָʹͳͬͨ w ৽͍͠ΫϥεͱϝιουΛศརʹ͍ͬͯ͜͏ʂ