带有自定义格式字符串和区域设置的日期格式

import java.util.*;

import java.text.*;

/* from 
n o w  j a v a  . c o m*/

public class SimpleDateFormatDemo {


    static public void displayDate(Locale currentLocale) {


        Date today;

        String result;

        SimpleDateFormat formatter;


        formatter = new SimpleDateFormat("EEE d MMM yy", currentLocale);

        today = new Date();

        result = formatter.format(today);
        /*
        nowjava
        */


        System.out.println("Locale: " + currentLocale.toString());

        System.out.println("Result: " + result);

    }


    static public void displayPattern(String pattern, Locale currentLocale) {


        Date today;

        SimpleDateFormat formatter;

        String output;


        formatter = new SimpleDateFormat(pattern, currentLocale);

        today = new Date();

        output = formatter.format(today);


        System.out.println(pattern + "   " + output);

    }


    static public void main(String[] args) {


        Locale[] locales = { new Locale("fr", "FR"),

                new Locale("de", "DE"), new Locale("en", "US") };


        for (int i = 0; i < locales.length; i++) {

            displayDate(locales[i]);

            System.out.println();

        }


        String[] patterns = { "dd.MM.yy", "yyyy.MM.dd G 'at' hh:mm:ss z",

                "EEE, MMM d, ''yy", "h:mm a", "H:mm", "H:mm:ss:SSS",

                "K:mm a,z", "yyyy.MMMMM.dd GGG hh:mm aaa" };


        for (int k = 0; k < patterns.length; k++) {

            displayPattern(patterns[k], new Locale("en", "US"));

            System.out.println();

        }


        System.out.println();

    }

}