OffsetDateTime解析

dmitryvim:

需要从格式解析日期时间2016-06-24T13:39:44.687680

第一步使用,尝试用行解析没有微秒的时间。

System.out.println(OffsetDateTime.parse("2011-12-03T10:15:30", DateTimeFormatter.ISO_LOCAL_DATE_TIME));

有例外

Exception in thread "main" java.time.format.DateTimeParseException: Text '2011-12-03T10:15:30' could not be parsed: Unable to obtain OffsetDateTime from TemporalAccessor: {},ISO resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.format.DateTimeFormatter.createError(DateTimeFormatter.java:1920)
    at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1855)
    at java.time.OffsetDateTime.parse(OffsetDateTime.java:402)
    at timeread.TimeReading.main(TimeReading.java:18)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.time.DateTimeException: Unable to obtain OffsetDateTime from TemporalAccessor: {},ISO resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.OffsetDateTime.from(OffsetDateTime.java:370)
    at java.time.format.Parsed.query(Parsed.java:226)
    at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1851)
    ... 7 more
Caused by: java.time.DateTimeException: Unable to obtain ZoneOffset from TemporalAccessor: {},ISO resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.ZoneOffset.from(ZoneOffset.java:348)
    at java.time.OffsetDateTime.from(OffsetDateTime.java:359)
    ... 9 more

尝试DateTimeFormatterTimeZone

System.out.println(OffsetDateTime.parse("2011-12-03T10:15:30", DateTimeFormatter.ISO_LOCAL_DATE_TIME.withZone(ZoneId.systemDefault())));

类似的例外

Exception in thread "main" java.time.format.DateTimeParseException: Text '2011-12-03T10:15:30' could not be parsed: Unable to obtain OffsetDateTime from TemporalAccessor: {InstantSeconds=1322892930},ISO,Europe/Moscow resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.format.DateTimeFormatter.createError(DateTimeFormatter.java:1920)
    at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1855)
    at java.time.OffsetDateTime.parse(OffsetDateTime.java:402)
    at timeread.TimeReading.main(TimeReading.java:18)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.time.DateTimeException: Unable to obtain OffsetDateTime from TemporalAccessor: {InstantSeconds=1322892930},ISO,Europe/Moscow resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.OffsetDateTime.from(OffsetDateTime.java:370)
    at java.time.format.Parsed.query(Parsed.java:226)
    at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1851)
    ... 7 more
Caused by: java.time.DateTimeException: Unable to obtain ZoneOffset from TemporalAccessor: {InstantSeconds=1322892930},ISO,Europe/Moscow resolved to 2011-12-03T10:15:30 of type java.time.format.Parsed
    at java.time.ZoneOffset.from(ZoneOffset.java:348)
    at java.time.OffsetDateTime.from(OffsetDateTime.java:359)
    ... 9 more
阿列克谢·罗曼诺夫(Alexey Romanov):

OffsetDateTime.parse需要包含偏移量(+/-hh:mm的字符串,而"2011-12-03T10:15:30"没有。解析并使用LocalDateTime.parse转换结果OffsetDateTime.of

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