package text;
import java.awt.print.Book;
import java.lang.reflect.Array;
import java.security.Principal;
import java.sql.Date;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import javax.xml.crypto.Data;
public class text1 {
// TODO Auto-generated method stub
static public void SimgleFormat(String pattem, double value){
DecimalFormat myFormat = new DecimalFormat(pattem);
String output = myFormat.format(value);
System.out.println(value + " " + pattem + " " + output);
}
static public void UseApplypattenMethodFormat(String pattem , double value){
DecimalFormat myFormat = new DecimalFormat(pattem);
myFormat.applyPattern(pattem);
System.out.println(value + " " + " " + myFormat.format(value));
}
public static void main(String[] args) {
SimgleFormat("###,###,###.###", 123456.789);
SimgleFormat("00000000.####kg", 123456.789);
SimgleFormat("000000.000", 123.78);
UseApplypattenMethodFormat("#.###%",0.789);
UseApplypattenMethodFormat("###.##", 123456.789);
UseApplypattenMethodFormat("0.00\u2030", 0.789);
}
}
1 package text;
2
3 import java.awt.print.Book;
4 import java.lang.reflect.Array;
5 import java.security.Principal;
6 import java.sql.Date;
7 import java.text.DecimalFormat;
8 import java.text.SimpleDateFormat;
9 import java.util.ArrayList;
10 import java.util.Arrays;
11
12 import javax.xml.crypto.Data;
13
14 public class text1 {
15 // TODO Auto-generated method stub
16 public static void main(String[] args) {
17 DecimalFormat myFormat = new DecimalFormat();
18 myFormat.setGroupingSize(2);
19 String output1 = myFormat.format(123465.789);
20 System.out.println("分组后的结果 "+ output1);
21 myFormat.setGroupingUsed(false);
22 String output2 = myFormat.format(123456.789);
23 System.out.println("未分组的结果 "+ output2);
24 }
25 }
View Code
