将对象属性绑定到组合框

public class Person {
    private String name;
    private int age;

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }
}

import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;

public class ComboBoxExample {
    public static void main(String[] args) {
        // 创建一些Person对象
        List<Person> people = new ArrayList<>();
        people.add(new Person("Alice", 30));
        people.add(new Person("Bob", 25));
        people.add(new Person("Charlie", 35));

        // 创建一个JFrame
        JFrame frame = new JFrame("ComboBox Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);

        // 创建一个JComboBox并将Person对象的name属性添加到组合框
        DefaultComboBoxModel<String> comboBoxModel = new DefaultComboBoxModel<>();
        for (Person person : people) {
            comboBoxModel.addElement(person.getName());
        }
        JComboBox<String> comboBox = new JComboBox<>(comboBoxModel);
        frame.add(comboBox, BorderLayout.NORTH);

        // 添加一个按钮来显示选中的Person对象的信息
        JButton button = new JButton("Show Selected Person");
        frame.add(button, BorderLayout.SOUTH);

        // 添加按钮点击事件监听器
        button.addActionListener(e -> {
            String selectedName = (String) comboBox.getSelectedItem();
            if (selectedName != null) {
                for (Person person : people) {
                    if (person.getName().equals(selectedName)) {
                        JOptionPane.showMessageDialog(frame, "Selected Person: " + person.getName() + ", Age: " + person.getAge());
                        break;
                    }
                }
            }
        });

        // 显示窗口
        frame.setVisible(true);
    }
}