Java：joda-time处理时间对象

文档：
https://www.joda.org/joda-time/userguide.html

依赖

<dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>2.10.5</version>
 </dependency>

  

 

  
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示例

package org.example;

import org.joda.time.DateTime;
import org.joda.time.Days;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import java.util.Date;

public class JodaTimeTest { public static void main(String[] args) { /** * 获取 DateTime */ // 构造函数 现在时间 DateTime dt1 = new DateTime(); System.out.println(dt1); // 2020-06-21T10:54:11.378+08:00 // 静态方法 现在时间 DateTime dt2 = DateTime.now(); System.out.println(dt2); // 2020-06-21T10:54:11.444+08:00 // long -> DateTime DateTime dt3 = new DateTime(1609294356000L); System.out.println(dt3); // 2020-12-30T10:12:36.000+08:00 // int -> DateTime DateTime dt4 = new DateTime(2020, 1, 12, 12, 30, 53); System.out.println(dt4); // 2020-01-12T12:30:53.000+08:00 // Date -> DateTime DateTime dt5 = new DateTime(new Date()); System.out.println(dt5); // 2020-06-21T10:47:01.461+08:00 // 解析时间 String -> DateTime DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss"); DateTime dt6 = DateTime.parse("2020-12-30 10:12:36", formatter); System.out.println(dt6); // 2020-12-30T10:12:36.000+08:00 /** * DateTime 转为其他对象 */ // 格式化时间 DateTime -> String System.out.println(dt6.toString("yyyy-MM-dd HH:mm:ss")); // 2020-12-30 10:12:36 // 获取13位时间戳 DateTime -> Long System.out.println(dt6.getMillis()); // 1609294356000 // DateTime -> int System.out.println(dt6.getYear()); System.out.println(dt6.getMonthOfYear()); System.out.println(dt6.getDayOfMonth()); System.out.println(dt6.getHourOfDay()); System.out.println(dt6.getMinuteOfHour()); System.out.println(dt6.getSecondOfMinute()); System.out.println(dt6.getMillisOfSecond()); // 2020 12 30 10 12 36 0 // DateTime -> Date System.out.println(dt6.toDate()); // Wed Dec 30 10:12:36 CST 2020 /** * 时间修改 with开头 */ DateTime dt7 = dt6.withYear(1) .withMonthOfYear(2) .withDayOfMonth(3) .withHourOfDay(4) .withMinuteOfHour(5) .withSecondOfMinute(6) .withMillisOfSecond(7); System.out.println(dt7); // 0001-02-03T04:05:06.007+08:05:43 /** * 时间计算 plus(+) 或者 minus(-)开头 */ DateTime dt8 = dt7.plusYears(7) .plusMonths(6) .plusDays(5) .plusHours(4) .plusMinutes(3) .plusSeconds(2) .plusMillis(1); System.out.println(dt8); // 0008-08-08T08:08:08.008+08:05:43 /** * 计算两个时间间隔天数 */ DateTime dt9 = new DateTime(2020, 10, 20, 10, 30, 12); DateTime dt10 = new DateTime(2020, 10, 30, 20, 30, 12); System.out.println(Days.daysBetween(dt9, dt10).getDays()); // 10 }
}


  

 

  
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文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。

原文链接：pengshiyu.blog.csdn.net/article/details/106883303