Java程序创建自定义DateTime格式化程序

2024-04-24 15:48:44 390

DateTimeFormatter dtFormat = new DateTimeFormatterBuilder().appendValue(ChronoField.HOUR_OF_DAY) .appendLiteral(":") .appendValue(ChronoField.MINUTE_OF_HOUR) .appendLiteral(":") .appendValue(ChronoField.SECOND_OF_MINUTE) .toFormatter();

dtFormat = new DateTimeFormatterBuilder().appendValue(ChronoField.YEAR) .appendLiteral("/") .appendValue(ChronoField.MONTH_OF_YEAR) .appendLiteral("/") .appendValue(ChronoField.DAY_OF_MONTH) .toFormatter();

示例

import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.time.format.DateTimeFormatterBuilder; import java.time.temporal.ChronoField; public class Demo { public static void main(String[] args) { DateTimeFormatter dtFormat = new DateTimeFormatterBuilder() .appendValue(ChronoField.HOUR_OF_DAY) .appendLiteral(":") .appendValue(ChronoField.MINUTE_OF_HOUR) .appendLiteral(":") .appendValue(ChronoField.SECOND_OF_MINUTE) .toFormatter(); System.out.println("Time = "+dtFormat.format(LocalDateTime.now())); dtFormat = new DateTimeFormatterBuilder() .appendValue(ChronoField.YEAR) .appendLiteral("/") .appendValue(ChronoField.MONTH_OF_YEAR) .appendLiteral("/") .appendValue(ChronoField.DAY_OF_MONTH) .toFormatter(); System.out.println("Date = "+dtFormat.format(LocalDateTime.now())); } }

输出结果

Time = 12:47:31 Date = 2019/4/19

Java程序创建自定义DateTime格式化程序

示例

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