20161226 日付のあれこれ

関モバ #21の資料です

Transcript

1. ೔෇ͷ͋Ε͜Ε
   ؔ੢ϞόΠϧΞϓϦݚڀձ
   !JUPL@UXJU
   

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2. !JUPL@UXJU
   w ͍ͱ͏͚͍ʢJUPLʣ
   w ɹɹɹɹɹɹͷதͷਓ
   w ެࢲڞʹϓϩάϥϚJ04.BDʢͨ·ʹ"OESPJE΍8JOEPXTʣ
   w IUUQJUPLKQ IUUQTPSBLB[FDPKQ
   

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3. ,PUMJO͸͡Ί·ͨ͠
   

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4. ೔෇ͷ͋Ε͜Ε
   J04NBD04UW04ڞ௨
   

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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
   

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6. %BUF'PSNBUUFS
   *40%BUF'PSNBUUFS
   %BUF'PSNBUUFS %BUF*OUFSWBM'PSNBUUFS
   %BUF$PNQPOFOUT'PSNBUUFS
   'PSNBUUFS
   

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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
   

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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
   

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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
   

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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
    

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11. $BMFOEBS
    // ࠓ೔ʁ
    calendar.isDateInToday(date)
    // ಉ͡೔ʁ
    calendar.isDate(date, inSameDayAs: future)
    // ͦͷ೔ͷ಄
    calendar.startOfDay(for: date)
    

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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
    

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13. ·ͱΊ
    w ೔෇ॲཧ͸݁ߏେม
    w J04͘Β͍͔Β͍ͣͿΜͱָʹͳͬͨ
    w ৽͍͠ΫϥεͱϝιουΛศརʹ࢖͍ͬͯ͜͏ʂ
    

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