Java 中的日语年代解析方法，示例
原文:https://www . geeksforgeeks . org/Japanese 年表-resolved ate-method-in-Java-with-example/
Java . time . chrono . Japanese 年代学类的 resolveDate() 方法用于通过在特定的解析器样式的帮助下解析与地图中特定长值相关联的年代字段来根据日本日历检索日本日期。
语法:
public JapaneseDate resolveDate(
Map fieldValues,
ResolverStyle resolverStyle)
参数:该方法将以下参数作为参数:
- Field value: This will contain the timing field.
- Parser Style: This will parse the time field and provide the date.
返回值:该方法通过解析与地图中特定长值相关联的 Chrono 字段，借助特定的解析器样式，根据日本日历返回本地日期。
以下示例说明了 resolveDate() 方法:
例 1:
// Java program to demonstrate
// resolveDate() method
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;
import java.time.format.*;
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 HashMap
HashMap<TemporalField, Long> map
= new HashMap<TemporalField, Long>();
// putting element into HashMap
map.put((TemporalField)
ChronoField.EPOCH_DAY,
30l);
// getting the resolveDate with
// SMART ResolverStyle
// by using resolveDate() method
hidate
= crono.resolveDate(
map,
ResolverStyle.LENIENT);
// display the result
System.out.println("JapaneseDate is : "
+ hidate);
}
catch (DateTimeException e) {
System.out.println("passed parameter can"
+ " not form a date");
System.out.println("Exception thrown: "
+ e);
}
}
}
输出:
JapaneseDate is : Japanese Showa 45-01-31
例 2:
// Java program to demonstrate
// resolveDate() method
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.*;
import java.time.format.*;
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 HashMap
HashMap<TemporalField, Long> map
= new HashMap<TemporalField, Long>();
// putting element into HashMap
map.put((TemporalField)
ChronoField.HOUR_OF_AMPM,
30l);
// getting the resolveDate with
// SMART ResolverStyle
// by using resolveDate() method
hidate
= crono.resolveDate(
map,
ResolverStyle.LENIENT);
// display the result
System.out.println("JapaneseDate is : "
+ hidate);
}
catch (DateTimeException e) {
System.out.println("passed parameter can"
+ " not form a date");
System.out.println("Exception thrown: "
+ e);
}
}
}
输出:
JapaneseDate is : null
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