设计信息录入界面，完成人员基本信息的录入工作，其中籍贯中涉及的“省、市”能实现联动，即选择“省”时，“市”会根据选择的“省”做相应的变换。

package gui;

import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.*;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;

public class Demo extends JFrame {
	JFrame frame;
	JPanel pane1, pane2, pane3, pane4, pane5;
	JTextField text1, text2, text3;
	JLabel label1, label2, label3, label4, label5, label6;
	JButton button1, button2;
	JComboBox combobox, combobox1, combobox2;
	JTextArea textarea;

	public Demo() {

		pane1 = new JPanel();// 面板
		pane2 = new JPanel();
		pane3 = new JPanel();
		pane4 = new JPanel();
		pane5 = new JPanel();

		// 设置pane1的边框和标题
		pane1.setBorder(new TitledBorder(new EtchedBorder(), "基本信息"));
		label1 = new JLabel("姓名:");
		text1 = new JTextField(10);// 文本框
		label2 = new JLabel("性别:");
		// 下拉框
		String[] xb = { "男", "女" };
		combobox = new JComboBox(xb);

		// 设置pane2的边框和标题
		pane2.setBorder(new TitledBorder(new EtchedBorder(), "籍贯"));
		label3 = new JLabel("省份:");
		String[] box1 = { "湖南", "北京", "上海", "河南" };
		combobox1 = new JComboBox(box1);

		label4 = new JLabel("市区:");
		String[] box2 = { "开福区", "岳麓区", "周口", "南阳", "信阳" };
		combobox2 = new JComboBox(box2);

		// 设置pane3的边框和标题
		pane3.setBorder(new TitledBorder(new EtchedBorder(), "通讯地址"));
		label5 = new JLabel("通讯地址:");
		text2 = new JTextField(10);

		label6 = new JLabel("邮箱:");
		text3 = new JTextField(10);

		// 信息展示
		 textarea = new JTextArea(30, 24);
	
		button1 = new JButton("保存");
		button2 = new JButton("取消");
		// 按钮制作监听器
		button1.addMouseListener(new MouseAdapter() {

			@Override
			public void mouseClicked(MouseEvent e) {
				// TODO Auto-generated method stub
				String label1 = text1.getText().trim();
				String label5 = text2.getText().trim();
				String label6 = text3.getText().trim();
				text1.setText("");
				text2.setText("");
				text3.setText("");
				// getSelectedItem() 返回当前所选项 jComboBox.getSelectedItem()

				textarea.append("姓名:" + label1 + "\r\n性别：" + combobox.getSelectedItem() + "\r\n省份："
						+ combobox1.getSelectedItem() + "\r\n市区:" + combobox2.getSelectedItem() + "\r\n通讯地址:" + label5
						+ "\r\n邮箱:" + label6 + "\r\n");
			}

		});
		button2.addMouseListener(new MouseAdapter() {

			@Override
			public void mouseClicked(MouseEvent e) {
				// TODO Auto-generated method stub
				System.exit(0);
			}

		});
		this.setLayout(new GridLayout(6, 2, 10, 10));

		pane1.add(label1);
		pane1.add(text1);
		pane1.add(label2);
		pane1.add(combobox);

		pane2.add(label3);
		pane2.add(combobox1);
		pane2.add(label4);
		pane2.add(combobox2);

		pane3.add(label5);
		pane3.add(text2);
		pane3.add(label6);
		pane3.add(text3);

		pane4.add(button1);
		pane4.add(button2);

		pane5.add(textarea);

		this.add(pane1);
		this.add(pane2);
		this.add(pane3);
		this.add(pane4);
		this.add(pane5);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setBounds(200, 200, 500, 750);

		// 按钮定义监听器

		this.setVisible(true);
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Demo c = new Demo();

	}

}

运行截图

本文地址：https://blog.csdn.net/weixin_43304253/article/details/112819145