import javax.swing.*; import java.awt.Dimension; import java.awt.Color; import java.awt.BorderLayout; public class JSpinnerTest19 extends JFrame{ public static void main(String[] args){ JSpinnerTest19 frame = new JSpinnerTest19(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(10, 10, 300, 200); frame.setTitle("ƒ^ƒCƒgƒ‹"); frame.setVisible(true); } JSpinnerTest19(){ SpinnerDateModel model = new SpinnerDateModel(); JSpinner spinner = new JSpinner(model); JSpinner.DateEditor editor = new JSpinner.DateEditor(spinner, "yyyy.MM.dd"); spinner.setEditor(editor); spinner.setPreferredSize(new Dimension(150, 25)); JFormattedTextField ftext = editor.getTextField(); ftext.setForeground(Color.red); ftext.setBackground(Color.black); JPanel p = new JPanel(); p.add(spinner); getContentPane().add(p, BorderLayout.CENTER); }