时代Java

Java 将GregorianCalendar转换为新的Datetime类型，反之亦然

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将GregorianCalendar转换为新的Datetime类型，反之亦然

实例源码：

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import java.time.LocalDate;

import java.time.LocalDateTime;

import java.time.LocalTime;
/*
nowjava
*/

import java.time.OffsetDateTime;

import java.time.OffsetTime;

import java.time.ZoneId;

import java.time.ZonedDateTime;

import java.util.GregorianCalendar;

import java.util.TimeZone;

public class Main {

public static void main(String[] args) {

// Create a GC for the default time zone
    /** from 
    时 代 J a v a - nowjava.com**/

GregorianCalendar gc = new GregorianCalendar(2017, 1, 11, 15, 45, 50);

System.out.println("Gregorian Calendar: " + gc.getTime());

// Convert the GC to a LocalDate

LocalDate ld = gc.toZonedDateTime().toLocalDate();

System.out.println("Local Date: " + ld);

// Convert the GC to a LocalTime

LocalTime lt = gc.toZonedDateTime().toLocalTime();

System.out.println("Local Time: " + lt);

// Convert the GC to a LocalDateTime

LocalDateTime ldt = gc.toZonedDateTime().toLocalDateTime();

System.out.println("Local DateTime: " + ldt);

// Convert the GC to an OffsetDate

OffsetDateTime od = gc.toZonedDateTime().toOffsetDateTime();

System.out.println("Offset Date: " + od);

// Convert the GC to an OffsetTime

OffsetTime ot = gc.toZonedDateTime().toOffsetDateTime().toOffsetTime();

System.out.println("Offset Time: " + ot);

// Convert the GC to an ZonedDateTime

ZonedDateTime zdt = gc.toZonedDateTime();

System.out.println("Zoned DateTime: " + zdt);

// Convert the ZonedDateTime to a GC. In GC month starts at 0

// and in new API at 1

ZoneId zoneId = zdt.getZone();
/**代码未完, 请加载全部代码(NowJava.com).**/

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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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