[Java] 国际化

1 public class Locale_Demo {
2     public static void main(String[] args) {
3         Locale loc = Locale.CHINA;
4         System.out.println(loc);
5     }
6 }

1 public class Locale_Demo {
2     public static void main(String[] args) {
3         Locale loc = new Locale("zh","CN");
4         System.out.println(loc);
5     }
6 }

1 public class Locale_Demo {
2     public static void main(String[] args) {
3         Locale loc = Locale.getDefault();
4         System.out.println(loc);
5     }
6 }

 1 import java.util.Locale;
 2 import java.util.ResourceBundle;
 3     
 4 public class Locale_Demo {
 5     public static void main(String[] args) {
 6         Locale loc = Locale.US;
 7 
 8         ResourceBundle resouceBundle = ResourceBundle.getBundle("a.Message",loc);
 9         System.out.println(resouceBundle.getString("welcome.info"));
10         System.out.println(resouceBundle.getString("teacher.info"));
11     }
12 }

 1 import java.text.MessageFormat;
 2 import java.util.Locale;
 3 import java.util.ResourceBundle;
 4     
 5 public class Locale_Demo {
 6     public static void main(String[] args) {
 7         Locale loc = Locale.US;
 8 
 9         ResourceBundle resourceBundle = ResourceBundle.getBundle("a.Message",loc);
10         String value = resourceBundle.getString("login.info");
11         System.out.println(MessageFormat.format(value, "aaa","bbb"));
12     }
13 }

 1 import java.math.RoundingMode;
 2 import java.text.DecimalFormat;
 3 import java.text.NumberFormat;
 4 
 5 public class Locale_Demo {
 6     public static void main(String[] args) {
 7         DecimalFormat numberFormat = (DecimalFormat) NumberFormat.getInstance();
 8         numberFormat.applyPattern("####,####,####.000"); // 保留三位小数
 9         numberFormat.setRoundingMode(RoundingMode.DOWN); // 不进位
10         numberFormat.setPositivePrefix("当年的收入流水："); // 增加前置说明
11         numberFormat.setMinimumFractionDigits(5);  // 保留五位小数
12         System.out.println(numberFormat.format(2826548.264785));
13     }
14 }

 1 import java.text.DecimalFormat;
 2 import java.text.NumberFormat;
 3 
 4 public class Locale_Demo {
 5     public static void main(String[] args) {
 6         NumberFormat numberFormat = (DecimalFormat) NumberFormat.getPercentInstance();
 7         System.out.println(numberFormat.format(0.9854623));
 8         // 自定义处理，强制向下转型
 9         DecimalFormat decimalFormat = (DecimalFormat) numberFormat;
10         decimalFormat.setMinimumFractionDigits(5);
11         System.out.println(decimalFormat.format(0.9878546));
12     }
13 }

1 import java.text.NumberFormat;
2 import java.util.Locale;
3 
4 public class Locale_Demo {
5     public static void main(String[] args) {
6         NumberFormat numberFormat = NumberFormat.getCurrencyInstance(Locale.CHINA);
7         System.out.println(numberFormat.format(789.46));
8     }
9 }