Java 中的日本纪年日期(临时处理器)方法，示例

原文:https://www . geeksforgeeks . org/Japanese 年表-datetime alaccessor-method-in-Java-with-example/

Java . time . chrono . Japanese 年表类的 date() 方法用于从另一个 TemporalAccessor 对象获取根据日本日历系统的日本日期。

语法:

public JapaneseDate date(TemporalAccessor temporal)

参数:该方法以任意时态取值器的对象为参数。

返回值:该方法从另一个 TemporalAccessor 对象返回根据日本日历系统的本地日期。

以下是说明日期()方法的示例:

例 1:

// Java program to demonstrate
// date() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate = JapaneseDate.now();

            // getting JapaneseChronology
            // used in JapaneseDate
            JapaneseChronology crono
                = hidate.getChronology();

            // creating and initializing
            // TemporalAccessor object
            ZonedDateTime zonedate
                = ZonedDateTime.parse(
                    "2018-10-25T23:12:31."
                    + "123+02:00[Europe/Paris]");

            // getting JapaneseDate for the
            // given TemporalAccessor object
            // by using date() method
            JapaneseDate date = crono.date(zonedate);

            // display the result
            System.out.println("JapaneseDate is: " + date);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

输出:

JapaneseDate is: Japanese Heisei 30-10-25

例 2:

// Java program to demonstrate
// date() method

import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;

public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate
                = JapaneseDate.now();

            // getting JapaneseChronology
            // used in JapaneseDate
            JapaneseChronology crono
                = hidate.getChronology();

            // creating and initializing
            // TemporalAccessor object
            LocalDateTime localdate
                = LocalDateTime
                      .parse("2018-12-30T19:34:50.63");

            // getting JapaneseDate for the
            // given TemporalAccessor object
            // by using date() method
            JapaneseDate date = crono.date(localdate);

            // display the result
            System.out.println("JapaneseDate is: " + date);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

输出:

JapaneseDate is: Japanese Heisei 30-12-30

参考:https://docs . Oracle . com/javase/9/docs/API/Java/time/chrono/Japanese seriogram . html # date-Java . time . temporal . temporal accessor-

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