20161226 日付のあれこれ

関モバ #21の資料です

Transcript

1. ೔෇ͷ͋Ε͜Ε 
   ؔ੢ϞόΠϧΞϓϦݚڀձ
   
   !JUPL@UXJU
2. !JUPL@UXJU w ͍ͱ͏͚͍ʢJUPLʣ
   w
   ɹɹɹɹɹɹͷதͷਓ
   w ެࢲڞʹϓϩάϥϚ
   J04
   
   .BDʢͨ·ʹ
   "OESPJE
   ΍
   8JOEPXTʣ
   w IUUQJUPLKQ
   
   IUUQTPSBLB[FDPKQ
3. ,PUMJO͸͡Ί·ͨ͠
4. ೔෇ͷ͋Ε͜Ε J04NBD04UW04ڞ௨
5. ओͳΫϥεͨͪ w %BUF'PSNBUUFS
   w *40%BUF'PSNBUUFS
   w %BUF*OUFSWBM'PSNBUUFS
   w %BUF$PNQPOFOUT'PSNBUUFS
   w $BMFOEBS
   w %BUF$PNQPOFOUT
   w %BUF*OUFSWBM
6. %BUF'PSNBUUFS *40%BUF'PSNBUUFS %BUF'PSNBUUFS %BUF*OUFSWBM'PSNBUUFS %BUF$PNQPOFOUT'PSNBUUFS 'PSNBUUFS
7. let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from: date) // 2016೥12݄26೔
   let formatter = DateFormatter() formatter.locale = Locale(identifier: “fr_FR") formatter.setLocalizedDateFormatFromTemplate("yMMMMd") formatter.string(from: date) // 26 décembre 2016 let formatter = DateFormatter() formatter.locale = Locale(identifier: "ja_JP") formatter.calendar = Calendar(identifier: .japanese) formatter.setLocalizedDateFormatFromTemplate("GyMd") formatter.string(from: date) // ฏ੒28೥12݄26೔ %BUF'PSNBUUFS
8. let formatter = ISO8601DateFormatter() formatter.string(from: date) // 2016-12-26T04:23:50Z
   formatter.formatOptions = [.withFullDate, .withFullTime, .withSpaceBetweenDateAndTime] formatter.string(from: date) // 2016-12-26 04:23:50Z *40%BUF'PSNBUUFS
9. let formatter = DateIntervalFormatter() formatter.string(from: now, to: future) // 2016/12/26 19࣌00෼ʙ21࣌00෼
   formatter.dateTemplate = "Hm" formatter.string(from: now, to: future) // 19࣌00෼ʙ21࣌00෼ %BUF*OUFSWBM'PSNBUUFS
10. %BUF$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
11. $BMFOEBS // ࠓ೔ʁ calendar.isDateInToday(date) // ಉ͡೔ʁ calendar.isDate(date, inSameDayAs: future) // ͦͷ೔ͷ಄ calendar.startOfDay(for: date)
12. let interval = DateInterval(start: date, end: future) intervalFormatter.string(from: interval) // 2016/12/26 19࣌00෼ʙ21࣌00෼
    
    ॏͳ͍ͬͯΔ͔
    interval.intersects(interval2) // ॏͳΓ෦෼Λநग़ interval.intersection(with: interval2)
    %BUF*OUFSWBM
13. ·ͱΊ w ೔෇ॲཧ͸݁ߏେม
    w J04͘Β͍͔Β͍ͣͿΜͱָʹͳͬͨ
    w ৽͍͠ΫϥεͱϝιουΛศརʹ࢖͍ͬͯ͜͏ʂ