当JTextField内容不等于某个整数时显示消息

import javax.swing.*;
import java.awt.event.*;

public class Main {
    public static void main(String[] args) {
        JFrame frame = new JFrame("JTextField示例");
        JTextField textField = new JTextField(10);
        JButton button = new JButton("显示消息");

        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String inputText = textField.getText();
                try {
                    int number = Integer.parseInt(inputText);
                    int targetNumber = 10; // 某个整数
                    if (number != targetNumber) {
                        JOptionPane.showMessageDialog(frame, "消息内容");
                    }
                } catch (NumberFormatException ex) {
                    // 处理输入不是整数的情况
                }
            }
        });

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(textField);
        frame.getContentPane().add(button);
        frame.pack();
        frame.setVisible(true);
    }
}