datetime-format

问题 This question already has answers here : Can’t rid of 'T' in LocalDateTime (3 answers) Closed 4 months ago . I have this fragment of code to bidirectional parsing String to LocalDateTime: public class ConvertLocalDateToString { private static final DateTimeFormatter CUSTOM_LOCAL_DATE; static { CUSTOM_LOCAL_DATE = new DateTimeFormatterBuilder() .appendValue(YEAR, 4, 10, SignStyle.EXCEEDS_PAD) .appendLiteral('-') .appendValue(MONTH_OF_YEAR, 2) .appendLiteral('-') .appendValue(DAY_OF_MONTH, 2)

问题 This question already has answers here : Can’t rid of 'T' in LocalDateTime (3 answers) Closed 4 months ago . I have this fragment of code to bidirectional parsing String to LocalDateTime: public class ConvertLocalDateToString { private static final DateTimeFormatter CUSTOM_LOCAL_DATE; static { CUSTOM_LOCAL_DATE = new DateTimeFormatterBuilder() .appendValue(YEAR, 4, 10, SignStyle.EXCEEDS_PAD) .appendLiteral('-') .appendValue(MONTH_OF_YEAR, 2) .appendLiteral('-') .appendValue(DAY_OF_MONTH, 2)

问题 My consumer received time format is String with value 20/5/14_9:22:25 or 20/5/14_9:22:5 or 20/5/14_12:22:25 or 20/10/14_9:2:25 etc... all the above have very diffrent date time pattern from yy/MM/dd_HH:mm:ss and there can be many posiblity's of having single digit day,month,hour,minute and/or seconds. is there a masterpattern which will i can use for DateTimeFormatter.ofPattern(format) which will work for all the above pattern?? 回答1: The patterns look the same DateTimeFormatter formatter =

问题 My consumer received time format is String with value 20/5/14_9:22:25 or 20/5/14_9:22:5 or 20/5/14_12:22:25 or 20/10/14_9:2:25 etc... all the above have very diffrent date time pattern from yy/MM/dd_HH:mm:ss and there can be many posiblity's of having single digit day,month,hour,minute and/or seconds. is there a masterpattern which will i can use for DateTimeFormatter.ofPattern(format) which will work for all the above pattern?? 回答1: The patterns look the same DateTimeFormatter formatter =

问题 I have a string format of a date but which is from a csv file: 20200520T0200 , assuming its in the format of (yyyyMMdd/T/24-hour format). I have managed to read the lines in the csv file and seperated it into an arraybuffer. My question is i cannot format the string into a date, as i need to use the date to calculate some values. As i will use this formatter to format all the values of the first element of my arraybuffer which is the time with strings of "20200406T0300, etc, etc, etc".

问题 I have a string format of a date but which is from a csv file: 20200520T0200 , assuming its in the format of (yyyyMMdd/T/24-hour format). I have managed to read the lines in the csv file and seperated it into an arraybuffer. My question is i cannot format the string into a date, as i need to use the date to calculate some values. As i will use this formatter to format all the values of the first element of my arraybuffer which is the time with strings of "20200406T0300, etc, etc, etc".

问题 I have a string format of a date but which is from a csv file: 20200520T0200 , assuming its in the format of (yyyyMMdd/T/24-hour format). I have managed to read the lines in the csv file and seperated it into an arraybuffer. My question is i cannot format the string into a date, as i need to use the date to calculate some values. As i will use this formatter to format all the values of the first element of my arraybuffer which is the time with strings of "20200406T0300, etc, etc, etc".

问题 How can we validate two formats "yyyy-MM-dd" and "yyyy-MM-dd'T'HH:mm:SSX" for a given string which can be of any of the two formats and either convert it to Instant or LocalDateTime? LocalDateTime dateTime; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd[\'T\'HH:mm:SSX]"); TemporalAccessor temporalAccessor = formatter.parseBest(now, LocalDateTime::from, LocalDate::from); if (temporalAccessor instanceof LocalDateTime) { dateTime = (LocalDateTime)temporalAccessor; } else {

问题 How can we validate two formats "yyyy-MM-dd" and "yyyy-MM-dd'T'HH:mm:SSX" for a given string which can be of any of the two formats and either convert it to Instant or LocalDateTime? LocalDateTime dateTime; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd[\'T\'HH:mm:SSX]"); TemporalAccessor temporalAccessor = formatter.parseBest(now, LocalDateTime::from, LocalDate::from); if (temporalAccessor instanceof LocalDateTime) { dateTime = (LocalDateTime)temporalAccessor; } else {

问题 I am trying to convert a date/time string back and forth into a LocalDateTime object. I am using ThreeTenBp as the date/time library. String -> LocalDateTime val actual = LocalDateTime.parse("2016-12-27T08:15:05.674+01:00", DateTimeFormatter.ISO_DATE_TIME) val expected = LocalDateTime.of(2016, 12, 27, 8, 15, 5, 674000000) assertThat(actual).isEqualTo(expected) // Successful LocalDateTime -> String val dateTime = LocalDateTime.of(2016, 12, 27, 8, 15, 5, 674000000) val actual = dateTime.format