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首頁(yè)javajspinnerJava Swing - 如何使用DocumentFilter創(chuàng)建數(shù)字轉(zhuǎn)換器...

Java Swing - 如何使用DocumentFilter創(chuàng)建數(shù)字轉(zhuǎn)換器...

我們想知道如何使用DocumentFilter創(chuàng)建數(shù)字轉(zhuǎn)換器。...
import java.awt.BorderLayout;
import java.util.Calendar;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;
import javax.swing.SpinnerModel;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("JSpinner Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


    Calendar cal = Calendar.getInstance();
    Date now = cal.getTime();
    cal.add(Calendar.YEAR, -50);
    Date startDate = cal.getTime();
    cal.add(Calendar.YEAR, 100);
    Date endDate = cal.getTime();
    SpinnerModel model = new SpinnerDateModel(now, startDate, endDate, Calendar.YEAR);
    
    JSpinner spinner1 = new JSpinner(model);

    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.SOUTH);

 

    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}