java掷骰子

package week06; import javax.swing.*; import java.awt.BorderLayout; import java.awt.event.*; public class DiePanel extends JPanel{ /** * */ private static final long serialVersionUID = 1L; private GUIDie1 die; private JTextField txt; public DiePanel() { // die = new GUIDie1(); this.setLayout(new BorderLayout()); this.add(die, BorderLayout.CENTER); JPanel p1 = new JPanel(); JButton btnRoll = new JButton("edit"); btnRoll.addActionListener(new ButtonListener()); p1.add(btnRoll); txt = new JTextField(6); txt.addActionListener(new TextFieldListener()); p1.add(txt); JButton Roll2=new JButton("go"); Roll2.addActionListener(new GoListener()); p1.add(Roll2); this.add(p1,BorderLayout.NORTH); } //内部类 private class ButtonListener implements ActionListener { public void actionPerformed(ActionEvent event) { die.roll(); } } private class TextFieldListener implements ActionListener { public void actionPerformed(ActionEvent event) { int n = Integer.parseInt(txt.getText()); die.setValue(n); } } private class GoListener implements ActionListener { public void actionPerformed(ActionEvent event) { int n = Integer.parseInt(txt.getText()); die.setValue(n); } } }