Java8时间转换(LocalDateTime)代码实例

Java8时间转换(LocalDateTime)代码实例

大家好,我是架构君,一个会写代码吟诗的架构师。今天说一说Java8时间转换(LocalDateTime)代码实例,希望能够帮助大家进步!!!

1.将LocalDateTime转为自定义的时间格式的字符串

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public static String getDateTimeAsString(LocalDateTime localDateTime, String format) {

  DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);

  return localDateTime.format(formatter);

}

2.将long类型的timestamp转为LocalDateTime

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public static LocalDateTime getDateTimeOfTimestamp(long timestamp) {

  Instant instant = Instant.ofEpochMilli(timestamp);

  ZoneId zone = ZoneId.systemDefault();

  return LocalDateTime.ofInstant(instant, zone);

}

3.将LocalDateTime转为long类型的timestamp

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public static long getTimestampOfDateTime(LocalDateTime localDateTime) {

  ZoneId zone = ZoneId.systemDefault();

  Instant instant = localDateTime.atZone(zone).toInstant();

  return instant.toEpochMilli();

}

4.将某时间字符串转为自定义时间格式的LocalDateTime

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public static LocalDateTime parseStringToDateTime(String time, String format) {

  DateTimeFormatter df = DateTimeFormatter.ofPattern(format);

  return LocalDateTime.parse(time, df);

}

本文来源huayang183,由架构君转载发布,观点不代表Java架构师必看的立场,转载请标明来源出处:https://javajgs.com/archives/18275

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