Java Swing - 如何设置值为JSpinner

import java.util.Calendar;
import java.util.GregorianCalendar;

import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;

public class Main {
  public static void main(String[] argv) throws Exception {
    SpinnerDateModel dateModel = new SpinnerDateModel();
    JSpinner spinner = new JSpinner(dateModel);

    Calendar calendar = new GregorianCalendar(2000, Calendar.JANUARY, 1);
    spinner.setValue(calendar.getTime());
  }
}