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  • dateFromStringUsingFormat: dateFormatをフォーマットとしてdateStringを日付に変換
  • formatDate: dateFormatをフォーマットとしてaDateを文字列に変換
  • convertDateExpression: inputDateStringの日付表記をinputDateFormatからoutputDateFormatに変換
use scripting additions
use framework "Foundation"
property dateFormatter : missing value

log dateFromStringUsingFormat("2013/11/02 13:04:55", "yyyy/MM/dd HH:mm:ss") as date
--> date "2013年11月2日土曜日 13:04:55"

log formatDate(current date, "yyyy-MM-dd HH:mm:ss") as text
--> "2016-01-06 17:09:49"

log convertDateExpression("2013/11/02 13:04:55", "yyyy/MM/dd HH:mm:ss", "M'月'd'日' ah'時'm'分'") as text
--> "11月2日 午後1時4分"

on dateFromStringUsingFormat(dateString, dateFormat)
    return dateFormatterWithFormat(dateFormat)'s dateFromString:dateString
end dateFromStringUsingFormat

on formatDate(aDate, dateFormat)
    return dateFormatterWithFormat(dateFormat)'s stringFromDate:aDate
end formatDate

on convertDateExpression(inputDateString, inputDateFormat, outputDateFormat)
    set aDate to dateFormatterWithFormat(inputDateFormat)'s dateFromString:inputDateString
    return dateFormatterWithFormat(outputDateFormat)'s stringFromDate:aDate
end convertDateExpression

on dateFormatterWithFormat(format)
    --require framework: Foundation
        if dateFormatter = missing value then
            error number -2753
        end if
    on error number -2753
        set dateFormatter to current application's NSDateFormatter's alloc()'s init()
        set dateFormatter's locale to current application's NSLocale's localeWithLocaleIdentifier:"en_US_POSIX"
        set dateFormatter's timeZone to current application's NSTimeZone's defaultTimeZone
    end try
    set dateFormatter's dateFormat to format
    return dateFormatter
end dateFormatterWithFormat


  • 2016-01-06: Cocoaの機能を使って作成
  • 2016-01-07: use文を冒頭に記述
  • 2016-01-17: setTimeZonetime to GMTを追加して、タイムゾーンによる時刻のズレを修正
  • 2016-01-20: localeとtimeZoneを設定
  • 2016-01-22: dateFormatterの初期宣言部分をdateFormatterWithFormatハンドラにまとめ
  • 2018-09-14: dateFormatterをキャッシュするように変更
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