1:
import java.util.Calendar;
class test{
public static void main(String arg[]){
Calendar a=Calendar.getInstance();
a.set(2003,12,1,22,10,12);
Calendar b=Calendar.getInstance();
b.set(2003,12,1,23,12,20);
System.out.println((b.getTimeInMillis()-a.getTimeInMillis())/60000);
}
}
import java.util.Calendar;
class test{
public static void main(String arg[]){
Calendar a=Calendar.getInstance();
a.set(2003,12,1,22,10,12);
Calendar b=Calendar.getInstance();
b.set(2003,12,1,23,12,20);
System.out.println((b.getTimeInMillis()-a.getTimeInMillis())/60000);
}
}
2. int a = rs.getInt("name");
String s = "" + a;
String str = "00000"; //你希望得到的格式是多少位就写多少个0
s = str.substring(0, str.length-s.length) + s;