Java+Swing+Mysql实现物业管理系统

水坚石青2025-12-21 11:33

目录

一、系统介绍

1.开发环境

2.技术选型

3.功能模块

4.数据库文件

5.工程结构

二、系统展示

1.登录系统

2.系统首页

3.小区信息维护

4.楼宇信息维护

5.房屋信息维护

6.修改收费单价

7.显示收费单价

8.业主数据录入

9.公共数据录入

10.按照业主查询

11.按照楼宇查询

12.按照小区查询

三、部分代码

1.登录系统

2.小区信息维护

3.楼宇信息维护

4.房屋信息维护

5.修改收费单价

四、其他事宜

1.更多系统

Java+JavaFx系统系列实现

Java+Swing系统系列实现

Java+JSP系统系列实现

Java+Servlet系统系列实现

Java+SSM系统系列实现

Java+SSH系统系列实现

Java+Springboot系统系列实现

2.运行项目

3.权益备注

4.支持博主

一、系统介绍

1.开发环境

操作系统：Win10

开发工具 ：Eclipse2024

JDK版本：jdk1.8

数据库：Mysql8.0

2.技术选型

Java+Swing+Mysql

3.功能模块

4.数据库文件

sql 复制代码 
/*
 Navicat Premium Data Transfer

 Source Server         : mysql
 Source Server Type    : MySQL
 Source Server Version : 80013
 Source Host           : localhost:3306
 Source Schema         : swing_property

 Target Server Type    : MySQL
 Target Server Version : 80013
 File Encoding         : 65001

 Date: 17/12/2025 15:37:45
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for building_elec_reading
-- ----------------------------
DROP TABLE IF EXISTS `building_elec_reading`;
CREATE TABLE `building_elec_reading`  (
  `district_id` double NULL DEFAULT NULL,
  `building_id` double NULL DEFAULT NULL,
  `date` double NULL DEFAULT 0,
  `lift_ele_reading` double NULL DEFAULT NULL,
  `lighting_reading` double NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of building_elec_reading
-- ----------------------------
INSERT INTO `building_elec_reading` VALUES (1, 1, 200505, 200504, 200504);
INSERT INTO `building_elec_reading` VALUES (1, 2, 200505, 200504, 200504);
INSERT INTO `building_elec_reading` VALUES (1, 3, 200505, 200504, 200504);
INSERT INTO `building_elec_reading` VALUES (1, 4, 200505, 200504, 200504);
INSERT INTO `building_elec_reading` VALUES (1, 5, 200505, 200504, 200504);
INSERT INTO `building_elec_reading` VALUES (1, 1, 200506, 200505, 200505);
INSERT INTO `building_elec_reading` VALUES (1, 2, 200506, 200505, 200505);
INSERT INTO `building_elec_reading` VALUES (1, 3, 200506, 200505, 200505);
INSERT INTO `building_elec_reading` VALUES (1, 4, 200506, 200505, 200505);
INSERT INTO `building_elec_reading` VALUES (1, 5, 200506, 200505, 200505);
INSERT INTO `building_elec_reading` VALUES (1, 1, 200507, 999999, 999999);
INSERT INTO `building_elec_reading` VALUES (1, 2, 200507, 999999, 999999);
INSERT INTO `building_elec_reading` VALUES (1, 3, 200507, 999999, 999999);
INSERT INTO `building_elec_reading` VALUES (1, 4, 200507, 999999, 999999);
INSERT INTO `building_elec_reading` VALUES (1, 5, 200507, 999999, 999999);
INSERT INTO `building_elec_reading` VALUES (2, 1, 202502, 10, 10);
INSERT INTO `building_elec_reading` VALUES (2, 2, 202502, 10, 10);
INSERT INTO `building_elec_reading` VALUES (2, 3, 202502, 10, 10);

-- ----------------------------
-- Table structure for building_info
-- ----------------------------
DROP TABLE IF EXISTS `building_info`;
CREATE TABLE `building_info`  (
  `district_id` double NULL DEFAULT NULL,
  `building_id` double NULL DEFAULT NULL,
  `total_storey` double NULL DEFAULT NULL,
  `total_area` double NULL DEFAULT NULL,
  `height` double NULL DEFAULT NULL,
  `type` double NULL DEFAULT 1,
  `status` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '\"use\"'
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of building_info
-- ----------------------------
INSERT INTO `building_info` VALUES (1, 1, 5, 20.3, 60, 1, 'use');
INSERT INTO `building_info` VALUES (1, 2, 5, 20.3, 60, 1, 'use');
INSERT INTO `building_info` VALUES (1, 3, 23, 40.3, 120, 1, 'use');
INSERT INTO `building_info` VALUES (1, 4, 5, 20.3, 60, 1, 'use');
INSERT INTO `building_info` VALUES (1, 5, 5, 20.3, 60, 1, 'use');
INSERT INTO `building_info` VALUES (2, 1, 5, 50, 60, 1, 'use');
INSERT INTO `building_info` VALUES (2, 2, 5, 50, 60, 1, 'use');
INSERT INTO `building_info` VALUES (2, 3, 5, 50, 60, 1, 'use');
INSERT INTO `building_info` VALUES (3, 1, 8, 120, 6, 1, '1');

-- ----------------------------
-- Table structure for district_info
-- ----------------------------
DROP TABLE IF EXISTS `district_info`;
CREATE TABLE `district_info`  (
  `district_id` int(11) NULL DEFAULT NULL,
  `district_name` varchar(12) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `address` varchar(60) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `floor_space` double NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of district_info
-- ----------------------------
INSERT INTO `district_info` VALUES (2, '圣馨家园', '北京市朝阳区', 2000);
INSERT INTO `district_info` VALUES (3, '澳洲康都', '北京市朝阳区', 6000);
INSERT INTO `district_info` VALUES (4, '华清嘉园', '北京市海淀区', 6000);
INSERT INTO `district_info` VALUES (1, '保利百合', '北京市丰台区', 8000);

-- ----------------------------
-- Table structure for district_reading
-- ----------------------------
DROP TABLE IF EXISTS `district_reading`;
CREATE TABLE `district_reading`  (
  `district_id` double NULL DEFAULT NULL,
  `date` double NULL DEFAULT 0,
  `tot_water_reading` double NULL DEFAULT NULL,
  `tot_elec_reading` double NULL DEFAULT NULL,
  `sec_supply_reading` double NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of district_reading
-- ----------------------------
INSERT INTO `district_reading` VALUES (1, 200505, 200504, 200504, 200504);
INSERT INTO `district_reading` VALUES (1, 200506, 200505, 200505, 200505);
INSERT INTO `district_reading` VALUES (1, 200507, 999999, 999999, 999999);
INSERT INTO `district_reading` VALUES (1, 201901, 354, 345, 4567);
INSERT INTO `district_reading` VALUES (2, 202502, 30, 30, 30);

-- ----------------------------
-- Table structure for emp_info
-- ----------------------------
DROP TABLE IF EXISTS `emp_info`;
CREATE TABLE `emp_info`  (
  `uname` varchar(12) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `ename` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `dept` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `duty` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `office_phone` double NULL DEFAULT NULL,
  `emp_date` datetime(0) NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of emp_info
-- ----------------------------
INSERT INTO `emp_info` VALUES ('admin', '李四', '系统管理', '经理', 13959264312, '2019-09-01 00:00:00');
INSERT INTO `emp_info` VALUES ('pahran', '张三', '软件学院', '学生', 5922101227, '2019-09-02 00:00:00');

-- ----------------------------
-- Table structure for login_info
-- ----------------------------
DROP TABLE IF EXISTS `login_info`;
CREATE TABLE `login_info`  (
  `uname` varchar(12) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `paswrd` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `purview` double NULL DEFAULT 0
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of login_info
-- ----------------------------
INSERT INTO `login_info` VALUES ('superadmin', '123456', 2);
INSERT INTO `login_info` VALUES ('user', '123456', 0);
INSERT INTO `login_info` VALUES ('admin', '123456', 1);

-- ----------------------------
-- Table structure for paying_charge
-- ----------------------------
DROP TABLE IF EXISTS `paying_charge`;
CREATE TABLE `paying_charge`  (
  `district_id` double NULL DEFAULT NULL,
  `building_id` double NULL DEFAULT NULL,
  `room_id` double NULL DEFAULT NULL,
  `date` datetime(0) NULL DEFAULT NULL,
  `deadline` datetime(0) NULL DEFAULT NULL,
  `totoal_fee` double NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of paying_charge
-- ----------------------------

-- ----------------------------
-- Table structure for room_info
-- ----------------------------
DROP TABLE IF EXISTS `room_info`;
CREATE TABLE `room_info`  (
  `district_id` int(11) NULL DEFAULT NULL,
  `building_id` int(11) NULL DEFAULT NULL,
  `room_id` int(11) NULL DEFAULT NULL,
  `area` double NULL DEFAULT NULL,
  `status` varchar(9) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '\"use\"',
  `purpose` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '\"resident\"',
  `oname` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `sex` varchar(7) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `id_num` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `address` varchar(60) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `phone` varchar(60) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of room_info
-- ----------------------------
INSERT INTO `room_info` VALUES (1, 1, 101, 120, 'use', 'resident', '李四', '男', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 102, 120, 'use', 'resident', '王五', '男', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 103, 120, 'use', 'resident', '赵六', '男', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 201, 140, 'use', 'resident', '柳七', '男', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 202, 140, 'use', 'resident', '韩七', '男', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 203, 140, 'use', 'resident', '曹九', '女', '622425200512123212', '甘肃省定西市陇西县巩昌镇', '1222586956');
INSERT INTO `room_info` VALUES (1, 1, 301, 100, '\"use\"', '\"resident\"', '张丽', '女', '622425200512123212', '甘肃省定西市陇西县文峰镇', '6655321');
INSERT INTO `room_info` VALUES (1, 1, 302, 100, '\"use\"', '\"resident\"', '张花', '女', '622425200512123212', '甘肃省定西市陇西县文峰镇', '6655321');
INSERT INTO `room_info` VALUES (1, 2, 101, 150, '\"use\"', '\"resident\"', '张三', '男', '622425200512123212', '甘肃省定西市陇西县', '1513255237');
INSERT INTO `room_info` VALUES (1, 2, 102, 150, '\"use\"', '\"resident\"', '李华', '男', '622425200512123212', '甘肃省定西市陇西县文峰镇', '6655321');
INSERT INTO `room_info` VALUES (1, 2, 103, 150, '\"use\"', '\"resident\"', '李丽', '女', '622425200512123212', '甘肃省定西市陇西县文峰镇', '6655321');
INSERT INTO `room_info` VALUES (2, 1, 101, 160, '\"use\"', '\"resident\"', '张三', '男', '110105200212123653', '北京市朝阳区', '1001232');
INSERT INTO `room_info` VALUES (2, 1, 102, 160, '\"use\"', '\"resident\"', '张丽', '女', '110105200212123653', '北京市朝阳区', '1001232');

-- ----------------------------
-- Table structure for unit_price_info
-- ----------------------------
DROP TABLE IF EXISTS `unit_price_info`;
CREATE TABLE `unit_price_info`  (
  `charge_id` int(11) NULL DEFAULT NULL,
  `charge_name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `unit_price` double NULL DEFAULT 0
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of unit_price_info
-- ----------------------------
INSERT INTO `unit_price_info` VALUES (2, '电费', 2);
INSERT INTO `unit_price_info` VALUES (3, '暖气费', 4);
INSERT INTO `unit_price_info` VALUES (4, '燃气费', 5);
INSERT INTO `unit_price_info` VALUES (1, '电费', 2);

-- ----------------------------
-- Table structure for user_reading
-- ----------------------------
DROP TABLE IF EXISTS `user_reading`;
CREATE TABLE `user_reading`  (
  `district_id` double NULL DEFAULT NULL,
  `building_id` double NULL DEFAULT NULL,
  `room_id` double NULL DEFAULT NULL,
  `date` double NULL DEFAULT 0,
  `water_reading` double NULL DEFAULT NULL,
  `elec_reading` double NULL DEFAULT NULL,
  `gas_reading` double NULL DEFAULT NULL
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of user_reading
-- ----------------------------
INSERT INTO `user_reading` VALUES (1, 1, 101, 202009, 12, 234, 132);
INSERT INTO `user_reading` VALUES (1, 1, 102, 202009, 234, 234, 234);
INSERT INTO `user_reading` VALUES (1, 1, 103, 202009, 5364, 234, 234);
INSERT INTO `user_reading` VALUES (1, 1, 201, 202009, 234, 234, 243);
INSERT INTO `user_reading` VALUES (1, 1, 202, 202009, 456, 4235, 345);
INSERT INTO `user_reading` VALUES (1, 1, 203, 202009, 4567, 534, 345);
INSERT INTO `user_reading` VALUES (1, 1, 101, 202008, 234, 3245, 3465);
INSERT INTO `user_reading` VALUES (1, 1, 102, 202008, 435, 235, 2345);
INSERT INTO `user_reading` VALUES (1, 1, 103, 202008, 342, 6435, 2354);
INSERT INTO `user_reading` VALUES (1, 1, 201, 202008, 2345, 234, 2345);
INSERT INTO `user_reading` VALUES (1, 1, 202, 202008, 2345, 3645, 4365);
INSERT INTO `user_reading` VALUES (1, 1, 203, 202008, 7654, 234, 12435);
INSERT INTO `user_reading` VALUES (2, 1, 101, 202502, 10, 10, 10);
INSERT INTO `user_reading` VALUES (2, 1, 102, 202502, 20, 20, 20);
INSERT INTO `user_reading` VALUES (2, 1, 101, 202503, 12, 12, 12);
INSERT INTO `user_reading` VALUES (2, 1, 102, 202503, 13, 13, 13);

SET FOREIGN_KEY_CHECKS = 1;

5.工程结构

二、系统展示

1.登录系统

2.系统首页

3.小区信息维护

4.楼宇信息维护

5.房屋信息维护

6.修改收费单价

7.显示收费单价

8.业主数据录入

9.公共数据录入

10.按照业主查询

11.按照楼宇查询

12.按照小区查询

三、部分代码

1.登录系统

java 复制代码 
package com.sjsq;

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

/**
 * 
 * 登录界面
 * @author 水坚石青
 *
 */
public class LoginFrame extends JFrame {
	private JLabel nameLabel, passwordLabel, pictureLabel;// 标签
	private JButton okButton, cancelButton, helpButton;// 按钮
	private JTextField nameText, passText;// 文本框
	private static JPasswordField passField;// 密码框
	private JPanel buttonPanel, fieldPanel1, fieldPanel2, fieldPanel;// 容器
	private static Connection connection;//
	private PreparedStatement statement;
	private String user, pwd;
	private static boolean found = false;
	private static LoginFrame login;

	public LoginFrame() {
		super("物业管理系统");
		Container con = getContentPane();
		con.setLayout(new BorderLayout());

		nameLabel = new JLabel("账号：");
		nameText = new JTextField("", 10);
		fieldPanel1 = new JPanel();
		fieldPanel1.setLayout(new FlowLayout());
		fieldPanel1.add(nameLabel);
		fieldPanel1.add(nameText);

		passwordLabel = new JLabel("密码：");
		passField = new JPasswordField(10);
		fieldPanel2 = new JPanel();
		fieldPanel2.setLayout(new FlowLayout());
		fieldPanel2.add(passwordLabel);
		fieldPanel2.add(passField);

		fieldPanel = new JPanel();
		fieldPanel.setLayout(new BorderLayout());
		fieldPanel.add(fieldPanel1,BorderLayout.NORTH);
		fieldPanel.add(fieldPanel2,BorderLayout.SOUTH);

		okButton = new JButton("确定");
		okButton.addActionListener(new LoginCheck());
		cancelButton = new JButton("取消");
		cancelButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				System.exit(0);
			}
		});
		helpButton = new JButton("帮助");
		buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout());
		buttonPanel.add(okButton);
		buttonPanel.add(cancelButton);
		buttonPanel.add(helpButton);

		Icon bug = new ImageIcon("1.gif");
		pictureLabel = new JLabel(bug);

		con.add(pictureLabel);
		con.add(fieldPanel, BorderLayout.NORTH);
		con.add(buttonPanel, BorderLayout.SOUTH);

	}

	public static void changeUser() {
		login.setVisible(true);
		passField.setText("");
		found = false;
	}

	public static Connection getConn() {
		return connection;
	}

	public static void main(String args[]) {

		login = new LoginFrame();
		login.setSize(350, 150);
		login.setResizable(false);
		login.setVisible(true);
		login.setLocationRelativeTo(null);
		login.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	private class LoginCheck implements ActionListener {
		public void actionPerformed(ActionEvent event) {
			user = nameText.getText();
			pwd = new String(passField.getPassword());

			try {
				Class.forName("com.mysql.cj.jdbc.Driver");
				connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC", "root",
						"admin");
				String sql = "select * from login_info";
				statement = connection.prepareStatement(sql);
				ResultSet result = statement.executeQuery();
				while (result.next()) {
					if (user.compareTo(result.getString("" + "" + "uname")) == 0
							&& pwd.compareTo(result.getString("paswrd")) == 0) {
						MainFrame.setCurtentuser(user);
						System.out.println(user + ":" + pwd);
						found = true;
						MainFrame.mainFrame(user, result.getInt("purview"));
						LoginFrame.this.setVisible(false);

					}
				}
				if (!found) {
					JOptionPane.showMessageDialog(null, "用户名或密码错误，请重输", "错误", JOptionPane.ERROR_MESSAGE);
					nameText.setText("");
					passField.setText("");
				}
				result.close();
				statement.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}
}

2.小区信息维护

java 复制代码 
package com.sjsq;

import javax.swing.table.AbstractTableModel;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;


/**
 * 小区信息维护
 * @author 水坚石青
 *
 */
public class CommunityInfoFrame extends JFrame {

	private JPanel buttonPanel, tablePanel, fieldPanel, fieldPanel1;

	private JLabel label1 = new JLabel();
	private JTextField districtid = new JTextField(3);
	private JLabel label2 = new JLabel();
	private JTextField buildingid = new JTextField(6);

	private JLabel label3 = new JLabel();
	private JTextField stac = new JTextField(7);
	private JLabel label4 = new JLabel();
	private JTextField func = new JTextField(5);

	private JButton addButton = new JButton("添加");
	private JButton changeButton = new JButton("修改");
	private JButton deleteButton = new JButton("删除");
	private JButton renewButton = new JButton("重置");
	private JButton updateButton = new JButton("更新");

	String title[] = { "小区编号", "小区名称", "小区地址", "占地面积" };

	Vector vector = new Vector();

	Connection connection = null;
	ResultSet rSet = null;
	Statement statement = null;
	AbstractTableModel tm;

	public CommunityInfoFrame() {

		super("小区信息维护");
		enableEvents(AWTEvent.WINDOW_EVENT_MASK);
		try {
			jbInit();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}

	private void jbInit() throws SQLException {
		Container con = getContentPane();
		con.setLayout(new BorderLayout());

		label1.setText("小区编号");
		label2.setText("小区名称");
		label3.setText("小区地址");
		label4.setText("占地面积");

		// 设置监听
		addButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				addButton_actionPerformed(e);
			}
		});

		changeButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				changeButton_actionPerformed(e);
			}
		});

		deleteButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				deleteButton_actionPerformed(e);
			}
		});

		renewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				renewButton_actionPerformed(e);
			}
		});

		updateButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				updateButton_actionPerformed(e);
			}
		});

		fieldPanel1 = new JPanel();
		fieldPanel1.setLayout(new FlowLayout());

		fieldPanel1.add(label1);
		fieldPanel1.add(districtid);
		fieldPanel1.add(label2);
		fieldPanel1.add(buildingid);
		fieldPanel1.add(label3);
		fieldPanel1.add(stac);
		fieldPanel1.add(label4);
		fieldPanel1.add(func);

		fieldPanel = new JPanel();
		fieldPanel.setLayout(new FlowLayout());

		fieldPanel.add(fieldPanel1);

		buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout());

		buttonPanel.add(addButton);
		buttonPanel.add(changeButton);
		buttonPanel.add(deleteButton);
		buttonPanel.add(renewButton);
		buttonPanel.add(updateButton);

		tablePanel = new JPanel();

		createtable();
		con.add(tablePanel, BorderLayout.NORTH);
		con.add(fieldPanel, BorderLayout.CENTER);
		con.add(buttonPanel, BorderLayout.SOUTH);
		updated();
		setSize(600, 600);
		setResizable(false);
		setLocationRelativeTo(null);
		setVisible(true);

	}

	public static void main(String[] args) {
		CommunityInfoFrame XiaoQuinformation = new CommunityInfoFrame();

		XiaoQuinformation.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	private void createtable() {
		JTable table;
		JScrollPane scroll;

		tm = new AbstractTableModel() {
			public int getColumnCount() {
				return title.length;
			}

			public int getRowCount() {
				return vector.size();
			}

			public String getColumnName(int col) {
				return title[col];
			}

			public Object getValueAt(int row, int column) {
				if (!vector.isEmpty()) {

					return ((Vector) vector.elementAt(row)).elementAt(column);
				} else {
					return null;
				}

			}

			public void setValueAt(Object value, int row, int column) {

			}

			public Class getColumnClass(int c) {
				return getValueAt(0, c).getClass();
			}

			public boolean isCellEditable(int row, int column) {
				return false;
			}
		};

		table = new JTable(tm);
		table.setToolTipText("Display Query Result");
		table.setAutoResizeMode(table.AUTO_RESIZE_OFF);
		table.setCellSelectionEnabled(false);
		table.setShowHorizontalLines(true);
		table.setShowVerticalLines(true);
		scroll = new JScrollPane(table);
		scroll.setBounds(6, 20, 540, 250);
		tablePanel.add(scroll);

	}

	void addButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "insert into district_info(district_id,district_name,address,floor_space) values("
					+ Integer.parseInt(districtid.getText()) + ",'" + buildingid.getText() + "','" + stac.getText()
					+ "'," + Integer.parseInt(func.getText()) + ")";
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(CommunityInfoFrame.this, "填加数据出错", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLSQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void changeButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "update district_info set district_id=" + Integer.parseInt(districtid.getText())
					+ ",district_name='" + buildingid.getText() + "',address='" + stac.getText() + "',floor_space="
					+ Integer.parseInt(func.getText()) + " WHERE district_id=" + Integer.parseInt(districtid.getText());
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(CommunityInfoFrame.this, "修改数据出错，注意所填写的数据是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLSQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void deleteButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql2 = "delete from district_info where district_id=" + Integer.parseInt(districtid.getText());
			statement.executeUpdate(sql2);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(CommunityInfoFrame.this, "删除数据出错，注意小区号是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLSQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void updateButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from district_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == false) {

				JOptionPane.showMessageDialog(CommunityInfoFrame.this, "数据库无相应内容", "错误", JOptionPane.ERROR_MESSAGE);
			} else {
				String sql = "select * from district_info";
				ResultSet rs = statement.executeQuery(sql);

				districtid.setText("");
				buildingid.setText("");
				stac.setText("");
				func.setText("");

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));

					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLSQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void updated() {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from district_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == true) {
				String sql = "select * from district_info";
				ResultSet rs = statement.executeQuery(sql);

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(rs.getString(1));
					rec_vector.addElement(rs.getString(2));
					rec_vector.addElement(rs.getString(3));
					rec_vector.addElement(rs.getString(4));

					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLSQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void renewButton_actionPerformed(ActionEvent e) {
		districtid.setText("");
		buildingid.setText("");
		stac.setText("");
		func.setText("");

	}
}

3.楼宇信息维护

java 复制代码 
package com.sjsq;

import javax.swing.table.AbstractTableModel;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.sql.*;
import java.util.*;

/**
 * 楼宇信息维护
 * @author 水坚石青
 *
 */
public class BulidingInfoFrame extends JFrame {

	private JPanel buttonPanel, tablePanel, fieldPanel, fieldPanel1, fieldPanel2;

	private JLabel label1 = new JLabel();
	private JTextField districtid = new JTextField(3);

	private JLabel label2 = new JLabel();
	private JTextField buildingid = new JTextField(3);

	private JLabel label3 = new JLabel();
	private JTextField storey = new JTextField(4);

	private JLabel label4 = new JLabel();
	private JTextField area = new JTextField(4);

	private JLabel label5 = new JLabel();
	private JTextField height = new JTextField(4);

	private JLabel label6 = new JLabel();
	private JTextField type = new JTextField(5);

	private JLabel label7 = new JLabel();
	private JTextField state = new JTextField(6);

	private JButton searchButton = new JButton("按小区查询");
	private JButton addButton = new JButton("添加");
	private JButton changeButton = new JButton("修改");
	private JButton deleteButton = new JButton("删除");
	private JButton renewButton = new JButton("重置");
	private JButton updateButton = new JButton("更新");

	String title[] = { "小区编号", "楼宇编号", "楼宇层数", "产权面积", "楼宇高度", "类型", "楼宇状态" };

	Vector vector = new Vector();

	Connection connection = null;
	ResultSet rSet = null;
	Statement statement = null;
	AbstractTableModel tm;

	public BulidingInfoFrame() {
		
		super("楼宇信息维护");
		enableEvents(AWTEvent.WINDOW_EVENT_MASK);
		try {
			jbInit();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private void jbInit() throws Exception {
		Container con = getContentPane();
		con.setLayout(new BorderLayout());

		label1.setText("小区编号");
		label2.setText("楼宇编号");
		label3.setText("楼宇层数");
		label4.setText("产权面积");
		label5.setText("楼宇高度");
		label6.setText("类型");
		label7.setText("楼宇状态");

		searchButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				searchButton_actionPerformed(e);
			}
		});

		addButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				addButton_actionPerformed(e);
			}
		});

		changeButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				changeButton_actionPerformed(e);
			}
		});

		deleteButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				deleteButton_actionPerformed(e);
			}
		});

		renewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				renewButton_actionPerformed(e);
			}
		});

		updateButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				updateButton_actionPerformed(e);
			}
		});

		fieldPanel1 = new JPanel();
		fieldPanel1.setLayout(new FlowLayout());

		fieldPanel1.add(label1);
		fieldPanel1.add(districtid);
		fieldPanel1.add(label2);
		fieldPanel1.add(buildingid);
		fieldPanel1.add(label3);
		fieldPanel1.add(storey);
		fieldPanel1.add(label4);
		fieldPanel1.add(area);

		fieldPanel2 = new JPanel();
		fieldPanel2.setLayout(new FlowLayout());

		fieldPanel2.add(label5);
		fieldPanel2.add(height);
		fieldPanel2.add(label6);
		fieldPanel2.add(type);
		fieldPanel2.add(label7);
		fieldPanel2.add(state);

		fieldPanel = new JPanel();
		fieldPanel.setLayout(new BorderLayout());

		fieldPanel.add(fieldPanel1, BorderLayout.NORTH);
		fieldPanel.add(fieldPanel2, BorderLayout.CENTER);

		buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout());

		buttonPanel.add(searchButton);
		buttonPanel.add(addButton);
		buttonPanel.add(changeButton);
		buttonPanel.add(deleteButton);
		buttonPanel.add(renewButton);
		buttonPanel.add(updateButton);

		tablePanel = new JPanel();

		createtable();
		con.add(tablePanel, BorderLayout.NORTH);
		con.add(fieldPanel, BorderLayout.CENTER);
		con.add(buttonPanel, BorderLayout.SOUTH);
		updated();

		setSize(600, 650);
		setResizable(false);
		setVisible(true);
		setLocationRelativeTo(null);

	}

	public static void main(String[] args) {
		BulidingInfoFrame userInformation = new BulidingInfoFrame();

		userInformation.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	private void createtable() {
		JTable table;
		JScrollPane scroll;

		tm = new AbstractTableModel() {
			public int getColumnCount() {
				return title.length;
			}

			public int getRowCount() {
				return vector.size();
			}

			public String getColumnName(int col) {
				return title[col];
			}

			public Object getValueAt(int row, int column) {
				if (!vector.isEmpty()) {
					return ((Vector) vector.elementAt(row)).elementAt(column);
				} else {
					return null;
				}

			}

			public void setValueAt(Object value, int row, int column) {

			}

			public Class getColumnClass(int c) {
				return getValueAt(0, c).getClass();
			}

			public boolean isCellEditable(int row, int column) {
				return false;
			}
		};

		table = new JTable(tm);
		table.setToolTipText("Display Query Result");
		table.setAutoResizeMode(table.AUTO_RESIZE_OFF);
		table.setCellSelectionEnabled(false);
		table.setShowHorizontalLines(true);
		table.setShowVerticalLines(true);
		scroll = new JScrollPane(table);
		scroll.setBounds(6, 20, 540, 250);
		tablePanel.add(scroll);

	}

	void addButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "insert into building_info(district_id,building_id,total_storey,total_area,height,type,status) values("
					+ Integer.parseInt(districtid.getText()) + "," + Integer.parseInt(buildingid.getText()) + ","
					+ Integer.parseInt(storey.getText()) + "," + Integer.parseInt(area.getText()) + ","
					+ Integer.parseInt(height.getText()) + "," + Integer.parseInt(type.getText()) + ",'"
					+ state.getText() + "')";
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(BulidingInfoFrame.this, "填加数据出错", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void changeButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "update building_info set diatrict_id=" + Integer.parseInt(districtid.getText())
					+ ",buildingid=" + Integer.parseInt(buildingid.getText()) + ",total_storey='"
					+ Integer.parseInt(storey.getText()) + ",total_area=" + Integer.parseInt(area.getText())
					+ ",height=" + Integer.parseInt(height.getText()) + ",type=" + Integer.parseInt(type.getText())
					+ ",status='" + state.getText() + "' WHERE district_id=" + Integer.parseInt(districtid.getText())
					+ " AND building_id=" + Integer.parseInt(buildingid.getText());
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(BulidingInfoFrame.this, "修改数据出错，注意小区号和楼号是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void deleteButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql2 = "delete from building_info where district_id=" + Integer.parseInt(districtid.getText())
					+ "AND building_id=" + Integer.parseInt(buildingid.getText());
			statement.executeUpdate(sql2);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(BulidingInfoFrame.this, "输入的数据有误，无法执行删除，注意小区编号和楼宇编号是否正确！", "错误",
					JOptionPane.ERROR_MESSAGE);

		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void updateButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from building_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == false) {

				JOptionPane.showMessageDialog(BulidingInfoFrame.this, "数据库无相应内容", "错误", JOptionPane.ERROR_MESSAGE);
			} else {
				String sql = "select * from building_info";
				ResultSet rs = statement.executeQuery(sql);

				districtid.setText("");
				buildingid.setText("");
				storey.setText("");
				area.setText("");
				height.setText("");
				type.setText("");
				state.setText("");

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));

					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void searchButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();

			String sql4 = "select * from building_info where district_id=" + Integer.parseInt(districtid.getText());
			rSet = statement.executeQuery(sql4);
			if (rSet.next() == false) {
				JOptionPane msg = new JOptionPane();
				JOptionPane.showMessageDialog(BulidingInfoFrame.this, "数据库无相应内容", "错误", JOptionPane.ERROR_MESSAGE);
				vector.removeAllElements();
				tm.fireTableStructureChanged();
			} else {

				String sqll = "select * from building_info where district_id=" + Integer.parseInt(districtid.getText());
				ResultSet rs = statement.executeQuery(sqll);

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));

					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}
		}

		catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}

	}

	void updated() {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from building_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == true) {
				String sql = "select * from building_info";
				ResultSet rs = statement.executeQuery(sql);

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));

					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void renewButton_actionPerformed(ActionEvent e) {
		districtid.setText("");
		buildingid.setText("");
		storey.setText("");
		area.setText("");
		height.setText("");
		type.setText("");
		state.setText("");
	}
}

4.房屋信息维护

java 复制代码 
package com.sjsq;

import javax.swing.table.AbstractTableModel;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;


/**
 * 房屋信息维护
 * @author 水坚石青
 *
 */
public class HouseInfoFrame extends JFrame {

	private JPanel buttonPanel, tablePanel, fieldPanel, fieldPanel1, fieldPanel2, fieldPanel3;

	private JLabel label1 = new JLabel();
	private JTextField districtid = new JTextField(6);
	private JLabel label2 = new JLabel();
	private JTextField buildingid = new JTextField(3);
	private JLabel label3 = new JLabel();
	private JTextField roomid = new JTextField(4);
	private JLabel label4 = new JLabel();
	private JTextField area = new JTextField(5);
	private JLabel label5 = new JLabel();
	private JTextField stac = new JTextField(5);
	private JLabel label6 = new JLabel();
	private JTextField func = new JTextField(5);
	private JLabel label7 = new JLabel();
	private JTextField ownername = new JTextField(6);
	private JLabel label8 = new JLabel();
	private JTextField sex = new JTextField(4);
	private JLabel label9 = new JLabel();
	private JTextField idnum = new JTextField(13);
	private JLabel label10 = new JLabel();
	private JTextField addr = new JTextField(15);
	private JLabel label11 = new JLabel();
	private JTextField tetel = new JTextField(8);

	private JButton searchButton = new JButton("姓名查询");
	private JButton addButton = new JButton("添加");
	private JButton changeButton = new JButton("修改");
	private JButton deleteButton = new JButton("删除");
	private JButton renewButton = new JButton("重置");
	private JButton updateButton = new JButton("更新");

	String title[] = { "小区号", "楼号", "房号", "产权面积", "房屋状态", "用途", "业主姓名", "性别", "身份证", "联系地址", "联系电话" };

	Vector vector = new Vector();

	Connection connection = null;
	ResultSet rSet = null;
	Statement statement = null;
	AbstractTableModel tm;

	public HouseInfoFrame() {
        super("房屋信息维护");
		enableEvents(AWTEvent.WINDOW_EVENT_MASK);
		try {
			jbInit();
		} catch (Exception e) {
			e.printStackTrace();
		}
		setSize(1000, 680);
		setResizable(false);
		setVisible(true);
		setLocationRelativeTo(null);
	}

	private void jbInit() throws Exception {
		Container con = getContentPane();
		con.setLayout(new BorderLayout());

		label1.setText("小区");
		label2.setText("楼号");
		label3.setText("房号");
		label4.setText("产权面积");
		label5.setText("房屋状态");
		label6.setText("用途");
		label7.setText("姓名");
		label8.setText("性别");
		label9.setText("身份证");
		label10.setText("联系地址");
		label11.setText("联系电话");

		searchButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				searchButton_actionPerformed(e);
			}
		});

		addButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				addButton_actionPerformed(e);
			}
		});

		changeButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				changeButton_actionPerformed(e);
			}
		});

		deleteButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				deleteButton_actionPerformed(e);
			}
		});

		renewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				renewButton_actionPerformed(e);
			}
		});

		updateButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				updateButton_actionPerformed(e);
			}
		});

		fieldPanel1 = new JPanel();
		fieldPanel1.setLayout(new FlowLayout());

		fieldPanel1.add(label1);
		fieldPanel1.add(districtid);
		fieldPanel1.add(label2);
		fieldPanel1.add(buildingid);
		fieldPanel1.add(label3);
		fieldPanel1.add(roomid);
		fieldPanel1.add(label4);
		fieldPanel1.add(area);

		fieldPanel2 = new JPanel();
		fieldPanel2.setLayout(new FlowLayout());
//		fieldPanel2.add(label5);
//		fieldPanel2.add(stac);
//		fieldPanel2.add(label6);
//		fieldPanel2.add(func);
		fieldPanel2.add(label7);
		fieldPanel2.add(ownername);
		fieldPanel2.add(label8);
		fieldPanel2.add(sex);
		fieldPanel2.add(label9);
		fieldPanel2.add(idnum);

		fieldPanel3 = new JPanel();
		fieldPanel3.setLayout(new FlowLayout());

		fieldPanel3.add(label10);
		fieldPanel3.add(addr);
		fieldPanel3.add(label11);
		fieldPanel3.add(tetel);

		fieldPanel = new JPanel();
		fieldPanel.setLayout(new BorderLayout());

		fieldPanel.add(fieldPanel1, BorderLayout.NORTH);
		fieldPanel.add(fieldPanel2, BorderLayout.CENTER);
		fieldPanel.add(fieldPanel3, BorderLayout.SOUTH);

		buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout());

		buttonPanel.add(searchButton);
		buttonPanel.add(addButton);
		buttonPanel.add(changeButton);
		buttonPanel.add(deleteButton);
		buttonPanel.add(renewButton);
		buttonPanel.add(updateButton);

		tablePanel = new JPanel();

		createtable();
		con.add(tablePanel, BorderLayout.NORTH);
		con.add(fieldPanel, BorderLayout.CENTER);
		con.add(buttonPanel, BorderLayout.SOUTH);
		updated();

	}

	private void createtable() {
		JTable table;
		JScrollPane scroll;
		// vector = new Vector();
		tm = new AbstractTableModel() {
			public int getColumnCount() {
				return title.length;
			}

			public int getRowCount() {
				return vector.size();
			}

			public String getColumnName(int col) {
				return title[col];
			}

			public Object getValueAt(int row, int column) {
				if (!vector.isEmpty()) {
					return ((Vector) vector.elementAt(row)).elementAt(column);
				} else {
					return null;
				}

			}

			public void setValueAt(Object value, int row, int column) {

			}

			public Class getColumnClass(int c) {
				return getValueAt(0, c).getClass();
			}

			public boolean isCellEditable(int row, int column) {
				return false;
			}
		};

		table = new JTable(tm);
		table.setToolTipText("Display Query Result");
		 // 设置表格的尺寸
        table.setPreferredScrollableViewportSize(new Dimension(825, 400)); // 更改为所需的宽度和高度
		table.setSize(1000,600);
		table.setAutoResizeMode(table.AUTO_RESIZE_OFF);
		table.setCellSelectionEnabled(false);
		table.setShowHorizontalLines(true);
		table.setShowVerticalLines(true);
		scroll = new JScrollPane(table);
		scroll.setBounds(1000, 500, 1000, 500);
		tablePanel.add(scroll);

	}

	void addButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "insert into room_info(district_id,building_id,room_id,area,oname,sex,id_num,address,phone) values("
					+ Integer.parseInt(districtid.getText()) + "," + Integer.parseInt(buildingid.getText()) + ","
					+ Integer.parseInt(roomid.getText()) + "," + Integer.parseInt(area.getText()) + ",'"
					+ ownername.getText() + "','" + sex.getText() + "','" + idnum.getText() + "','" + addr.getText()
					+ "'," + Integer.parseInt(tetel.getText()) + ")";
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(HouseInfoFrame.this, "填加数据出错", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	// 修改房屋信息
	void changeButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql1 = "update room_info set area=" + Integer.parseInt(area.getText()) + ",oname='"
					+ ownername.getText() + "',sex='" + sex.getText() + "',id_num='" + idnum.getText() + "',address='"
					+ addr.getText() + "',phone=" + Integer.parseInt(tetel.getText()) + " WHERE district_id="
					+ Integer.parseInt(districtid.getText()) + " AND building_id="
					+ Integer.parseInt(buildingid.getText()) + " AND room_id=" + Integer.parseInt(roomid.getText());
			statement.executeUpdate(sql1);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(HouseInfoFrame.this, "修改数据出错，注意所填写的数据是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	// 删除房屋信息
	void deleteButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql2 = "delete from room_info where district_id=" + Integer.parseInt(districtid.getText())
					+ " AND building_id=" + Integer.parseInt(buildingid.getText()) + " AND room_id="
					+ Integer.parseInt(roomid.getText());// +"area="+Integer.parseInt(area.getText())+"||oname="+ownername.getText()+"||sex="+sex.getText()+"||id_num="+idnum.getText()+"||address="+addr.getText()+"||phone="+Integer.parseInt(tetel.getText());
			System.out.println("删除房屋信息语句:"+sql2);
			statement.executeUpdate(sql2);

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(HouseInfoFrame.this, "删除数据出错，注意小区号，楼号，房间号是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
		updated();
	}

	void updateButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from room_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == false) {
				// JOptionPane msg= new JOptionPane();
				JOptionPane.showMessageDialog(HouseInfoFrame.this, "数据库无相应内容", "错误", JOptionPane.ERROR_MESSAGE);
			} else {
				String sql = "select * from room_info";
				ResultSet rs = statement.executeQuery(sql);

				districtid.setText("");
				buildingid.setText("");
				roomid.setText("");
				area.setText("");
				ownername.setText("");
				sex.setText("");
				idnum.setText("");
				addr.setText("");
				tetel.setText("");

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));
					rec_vector.addElement(rs.getString(8));
					rec_vector.addElement(rs.getString(9));
					rec_vector.addElement(rs.getString(10));
					rec_vector.addElement(String.valueOf(rs.getInt(11)));
					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void searchButton_actionPerformed(ActionEvent e) {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			// String sql4= "select * from room_info where
			// district_id="+Integer.parseInt(districtid.getText())+"||building_id="+Integer.parseInt(buildingid.getText())+"||room_id="+Integer.parseInt(roomid.getText())+"area="+Integer.parseInt(area.getText())+"||oname='"+ownername.getText()+"'||sex='"+sex.getText()+"'||id_num="+idnum.getText()+"||address="+addr.getText()+"||phone="+Integer.parseInt(tetel.getText());
			String sql4 = "select * from room_info where oname='" + ownername.getText() + "'";
			rSet = statement.executeQuery(sql4);
			if (rSet.next() == false) {
				JOptionPane msg = new JOptionPane();
				JOptionPane.showMessageDialog(HouseInfoFrame.this, "数据库无相应内容", "错误", JOptionPane.ERROR_MESSAGE);
				vector.removeAllElements();
				tm.fireTableStructureChanged();
			} else {
				// String sqll= "select * from room_info where
				// district_id="+Integer.parseInt(districtid.getText())+"||building_id="+Integer.parseInt(buildingid.getText())+"||room_id="+Integer.parseInt(roomid.getText())+"area="+Integer.parseInt(area.getText())+"||oname='"+ownername.getText()+"'||sex='"+sex.getText()+"'||id_num="+idnum.getText()+"||address="+addr.getText()+"||phone="+Integer.parseInt(tetel.getText());
				String sqll = "select * from room_info where oname='" + ownername.getText() + "'";
				ResultSet rs = statement.executeQuery(sqll);

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));
					rec_vector.addElement(rs.getString(8));
					rec_vector.addElement(rs.getString(9));
					rec_vector.addElement(rs.getString(10));
					rec_vector.addElement(String.valueOf(rs.getInt(11)));
					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}
		}

		catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}

	}

	void updated() {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC";
			connection = DriverManager.getConnection(url, "root", "admin");
			statement = connection.createStatement();
			String sql3 = "select * from room_info";
			rSet = statement.executeQuery(sql3);
			if (rSet.next() == true) {
				String sql = "select * from room_info";
				ResultSet rs = statement.executeQuery(sql);

				vector.removeAllElements();
				tm.fireTableStructureChanged();

				while (rs.next()) {
					Vector rec_vector = new Vector();
					rec_vector.addElement(String.valueOf(rs.getInt(1)));
					rec_vector.addElement(String.valueOf(rs.getInt(2)));
					rec_vector.addElement(String.valueOf(rs.getInt(3)));
					rec_vector.addElement(String.valueOf(rs.getInt(4)));
					rec_vector.addElement(rs.getString(5));
					rec_vector.addElement(rs.getString(6));
					rec_vector.addElement(rs.getString(7));
					rec_vector.addElement(rs.getString(8));
					rec_vector.addElement(rs.getString(9));
					rec_vector.addElement(rs.getString(10));
					rec_vector.addElement(String.valueOf(rs.getInt(11)));
					vector.addElement(rec_vector);
				}
				tm.fireTableStructureChanged();
			}

		} catch (Exception ex) {
			ex.printStackTrace();
		} finally {
			try {
				if (statement != null) {
					statement.close();
				}
				if (connection != null) {
					connection.close();
				}
			} catch (SQLException ex) {
				System.out.println("\nERROR:---------SQLException--------\n");
				System.out.println("Message: " + ex.getMessage());
				System.out.println("SQLState: " + ex.getSQLState());
				System.out.println("ErrorCode: " + ex.getErrorCode());
			}
		}
	}

	void renewButton_actionPerformed(ActionEvent e) {
		districtid.setText("");
		buildingid.setText("");
		roomid.setText("");
		area.setText("");
		ownername.setText("");
		sex.setText("");
		idnum.setText("");
		addr.setText("");
		tetel.setText("");
	}
}

5.修改收费单价

java 复制代码 
package com.sjsq;

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

/**
 * 收费单价修改
 * @author 水坚石青
 *
 */
public class PriceChangeFrame extends JFrame {

	private Connection c1;
	private String Mouaction;
	private JTable display;
	private JButton comm_1, comm_2, comm_3;
	private Statement stmt1;
	private ResultSet rsl1;
	private ResultSetMetaData rsmd1;
	private TextField text_1, text_2, text_3;

	public PriceChangeFrame() {
		try {
			Class.forName("com.mysql.cj.jdbc.Driver");
			c1 = DriverManager.getConnection("jdbc:mysql://localhost:3306/swing_property?serverTimezone=UTC", "root", "admin");
			String sql = "SELECT * FROM unit_price_info";
			stmt1 = c1.createStatement();
			rsl1 = stmt1.executeQuery(sql);
			rsmd1 = rsl1.getMetaData();// 获取表的字段名称
		} catch (Exception err) {
			err.printStackTrace();
		} // 建立数据库连接；

		JPanel button_con = new JPanel();
		button_con.setLayout(new FlowLayout());
		comm_1 = new JButton("增加");
		comm_1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				addPrice();
			}
		});

		comm_2 = new JButton("修改");
		comm_2.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				changePrice();
			}
		});

		comm_3 = new JButton("删除");
		comm_3.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				deletePrice();
			}
		});

		button_con.add(comm_1);
		button_con.add(comm_2);
		button_con.add(comm_3);
		JPanel label_con = new JPanel();
		label_con.setLayout(new GridLayout(1, 3));
		JLabel lab_1 = new JLabel("收费项目编号");
		JLabel lab_2 = new JLabel("收费项目名称");
		JLabel lab_3 = new JLabel("单价");
		label_con.add(lab_1);
		label_con.add(lab_2);
		label_con.add(lab_3);
		JPanel inputText_con = new JPanel();
		inputText_con.setLayout(new GridLayout(1, 3));
		text_1 = new TextField();
		text_2 = new TextField();
		text_3 = new TextField();
		inputText_con.add(text_1);
		inputText_con.add(text_2);
		inputText_con.add(text_3);
		JPanel update_con = new JPanel();
		update_con.setLayout(new BorderLayout());
		update_con.add(label_con, BorderLayout.NORTH);
		update_con.add(inputText_con, BorderLayout.CENTER);
		update_con.add(button_con, BorderLayout.SOUTH);
		display = new JTable();
		Container temp = getContentPane();
		temp.setLayout(new BorderLayout());
		temp.add(update_con, BorderLayout.SOUTH);
		temp.add(display, BorderLayout.CENTER);
		getpriceTable();
		setSize(500, 300);
		setLocationRelativeTo(null);
		show();
	}

	public void getpriceTable() {
		try {
			Vector columnName = new Vector();
			Vector rows = new Vector();// 定义向量，进行数据库数据操作

			columnName.addElement("收费项目编号");
			columnName.addElement("收费项目名称");
			columnName.addElement("单价(单位：元）");

			while (rsl1.next()) { // 获取记录集
				Vector currentRow = new Vector();
				for (int i = 1; i <= rsmd1.getColumnCount(); ++i) {
					currentRow.addElement(rsl1.getString(i));
				}
				rows.addElement(currentRow);
			}

			display = new JTable(rows, columnName);
			JScrollPane scroller = new JScrollPane(display);
			Container temp = getContentPane();

			temp.add(scroller, BorderLayout.CENTER);
			temp.validate();
		} catch (Exception sqlex) {
			sqlex.printStackTrace();
		}
	}

	private void addPrice() {
		try {
			String add_sql = "insert into unit_price_info values (" + Integer.parseInt(text_1.getText()) + ",'"
					+ text_2.getText() + "'," + Float.parseFloat(text_3.getText()) + ")";
			stmt1.executeUpdate(add_sql);
			text_1.setText("");
			text_2.setText("");
			text_3.setText("");

		} catch (Exception ex) {
			JOptionPane.showMessageDialog(PriceChangeFrame.this, "增加数据出错，注意所填数据是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex.printStackTrace();
		}
	}

	private void changePrice() {
		try {
			String change_sql = "update unit_price_info set charge_id=" + Integer.parseInt(text_1.getText())
					+ ",charge_name='" + text_2.getText() + "',unit_price=" + Float.parseFloat(text_3.getText())
					+ " where charge_id=" + Integer.parseInt(text_1.getText());
			stmt1.executeUpdate(change_sql);
			text_1.setText("");
			text_2.setText("");
			text_3.setText("");
		} catch (Exception ex_1) {
			JOptionPane.showMessageDialog(PriceChangeFrame.this, "修改数据出错，注意所填数据是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex_1.printStackTrace();
		}
	}

	private void deletePrice() {
		try {
			String delete_sql = "delete from unit_price_info where charge_id=" + Integer.parseInt(text_1.getText());
			;
			stmt1.executeUpdate(delete_sql);
			text_1.setText("");
			text_2.setText("");
			text_3.setText("");
		} catch (Exception ex_2) {
			JOptionPane.showMessageDialog(PriceChangeFrame.this, "增加数据出错，注意所填收费项目ID是否正确！", "错误", JOptionPane.ERROR_MESSAGE);
			ex_2.printStackTrace();
		}
	}

	public static void main(String args[]) {
		PriceChangeFrame s1 = new PriceChangeFrame();
		s1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

}

四、其他事宜

1.更多系统

Java+JavaFx系统系列实现

Java+JavaFx实现客户信息管理系统

Java+Swing系统系列实现

Java+Swing实现斗地主游戏

Java+Swing实现图书管理系统

Java+Swing实现医院管理系统

Java+Swing实现考试管理系统

Java+Swing实现酒店管理系统

Java+Swing实现超市管理系统

Java+Swing实现电影购票系统

Java+Swing实现飞机订票系统

Java+Swing实现仓库管理系统-1

Java+Swing实现仓库管理系统-2

Java+Swing实现进销存管理系统

Java+Swing实现自助取款机系统

Java+Swing实现通讯录管理系统

Java+Swing实现停车场管理系统

Java+Swing实现学生信息管理系统-1

Java+Swing实现学生信息管理系统-2

Java+Swing实现学生宿舍管理系统

Java+Swing实现学生选课管理系统

Java+Swing实现学生成绩管理系统

Java+Swing实现学校教材管理系统

Java+Swing实现学校教务管理系统

Java+Swing实现企业人事管理系统

Java+Swing实现电子相册管理系统

Java+Swing实现超市管理系统-TXT存储数据

Java+Swing实现自助取款机系统-TXT存储数据

Java+Swing实现宠物商店管理系统-TXT存储数据

Java+JSP系统系列实现

Java+JSP实现学生图书管理系统

Java+JSP实现学生信息管理系统

Java+JSP实现用户信息管理系统

Java+JSP实现教师信息管理系统

Java+JSP实现学生宿舍管理系统

Java+JSP实现商品信息管理系统

Java+JSP实现宠物信息管理系统

Java+JSP实现学生成绩管理系统

Java+Servlet系统系列实现

Java+Servlet+JSP实现航空订票系统

Java+Servlet+JSP实现新闻发布系统

Java+Servlet+JSP学生宿舍管理系统

Java+Servlet+JSP实现图书管理系统

Java+Servlet+JSP实现停车场管理系统

Java+Servlet+JSP实现房屋租赁管理系统

Java+Servlet+JSP实现学生信息管理系统

Java+Servlet+JSP实现学生选课管理系统

Java+Servlet+JSPl实现学生选课签到系统

Java+Servlet+JSP实现宠物诊所管理系统

Java+Servlet+JSP实现学生成绩管理系统-1

Java+Servlet+JSP实现学生成绩管理系统-2

Java+SSM系统系列实现

Java+SSM+JSP实现网上考试系统

Java+SSM+JSP实现宠物商城系统

Java+SSM+JSP实现超市管理系统

Java+SSM+JSP实现学生成绩管理系统

Java+SSM+JSP实现学生信息管理系统

Java+SSM+JSP实现药品信息管理系统

Java+SSM+JSP实现汽车信息管理系统

Java+SSM+Jspl实现商品信息管理系统

Java+SSM+JSP+Maven实现网上书城系统

Java+SSM+JSP+Maven实现学校教务管理系统

Java+SSH系统系列实现

Java+SSH+JSP实现在线考试系统

Java+SSH+JSP实现医院在线挂号系统

Java+Springboot系统系列实现

Java+Springboot+H-ui+Maven实现营销管理系统

Java+Springboot+Bootstrap+Maven实现网上商城系统

Java+Springboot+Bootstrap+Maven实现景区旅游管理系统

1.更多JavaWeb系统请关注专栏。

https://blog.csdn.net/helongqiang/category_10020130.html

2.更多JavaSwing系统请关注专栏。

https://blog.csdn.net/helongqiang/category_6229101.html

2.运行项目

Eclipse如何导入JavaSwing项目超详细教程

3.权益备注

如有侵权请联系我删除。

4.支持博主

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