微调器的文本大小

input[type="number"] {
  font-size: 16px;
}

SpinnerNumberModel model = new SpinnerNumberModel(50, //initial value
                                                  0, //minimum value
                                                  100, //maximum value
                                                  1); //step size
JSpinner spinner = new JSpinner(model);
JSpinner.DefaultEditor editor = (JSpinner.DefaultEditor) spinner.getEditor();
editor.getTextField().setFont(new Font("Serif", Font.PLAIN, 16)); //set font size