Java JapaneseDate from()用法及代码示例

java.time.chrono.JapaneseDate类的from()方法用于根据特定时间对象的日语日历系统获取日语日期。

用法:

public static JapaneseDate from(
       TemporalAccessor temporal)

参数：此方法以将要形成日文日期的任何时间访问器为对象。返回值：该方法根据日文日历系统返回指定日期对象的日文日期。

下面是说明from()方法的示例：示例1：

Java

// Java program to demonstrate from() method
 
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // creating and initializing
            // TemporalAccessor object
            ZonedDateTime zonedate
                = ZonedDateTime
                      .parse(
                          "2018-10-25T23:12:31."
                          + "123+02:00[Europe/Paris]");
 
            // Creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate 
              = JapaneseDate.from(zonedate);
 
            // Display the result
            System.out.println("JapaneseDate:"
                               + hidate);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown:"
                               + e);
        }
    }
}

输出

JapaneseDate:Japanese Heisei 30-10-25

范例2：

Java

// Java program to demonstrate from() method
 
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // creating and initializing
            // TemporalAccessor object
            LocalDateTime localdate
                = LocalDateTime.parse(
                    "2018-12-30T19:34:50.63");
 
            // Creating and initializing
            // JapaneseDate Object
            JapaneseDate hidate 
              = JapaneseDate.from(localdate);
 
            // Display the result
            System.out.println("JapaneseDate:"
                               + hidate);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown:"
                               + e);
        }
    }
}

输出

JapaneseDate:Japanese Heisei 30-12-30

参考： https://docs.oracle.com/javase/9/docs/api/java/time/chrono/JapaneseDate.html#from-java.time.temporal.TemporalAccessor-

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注：本文由纯净天空筛选整理自RohitPrasad3大神的英文原创作品 JapaneseDate from() method in Java with Example。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。