1、项目功能演示
DC00019基于java swing+sqlserver超市商品信息管理系统java项目GUI商品信息管理系统
2、项目功能描述
基于java swing+sqlserver超市管理系统功能
1、系统登录
 2、员工管理:添加员工、查询员工、所有员工
 3、部门管理:添加部门、查询部门
 4、商品管理:商品信息查询
 5、销售管理:卖出商品、销售查询
3、项目功能截图
4、项目核心代码
4.1 数据库操作类
package com.db;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
public class Jdbc {
	// 创建连接池
	public static Vector<Connection> connectionPool = new Vector<Connection>();
	// 在主函数运行之前创建好连接池
	static {
		String driver = "";
		String url = "";
		String username = "";
		String password = "";
		try {
			Reader read = new FileReader("src\\db.properties");
			BufferedReader bufferedReader = new BufferedReader(read);
			String line = bufferedReader.readLine();
			while (line != null) {
				String[] strings = line.split("=", 2);
				String key = strings[0];
				String value = strings[1];
				if ("username".equals(key)) {
					username = value;
				}
				if ("password".equals(key)) {
					password = value;
				}
				if ("driver".equals(key)) {
					driver = value;
				}
				if ("url".equals(key)) {
					url = value;
				}
				line = bufferedReader.readLine();
			}
			bufferedReader.close();
			read.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		try {
			Class.forName(driver);
			for (int i = 0; i < 10; i++) {
				Connection connection = DriverManager.getConnection(url,
						username, password);
				connectionPool.add(connection);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	// 取出连接
	public static Connection getConnection() {
		Connection connection = connectionPool.get(0);
		connectionPool.remove(0);
		return connection;
	}
	// 放回连接
	public static void releaseConnection(Connection connection) {
		connectionPool.add(connection);
	}
	// 增删改
	public static int zsg(String sql, Object... p) {
		Connection connection = getConnection();
		int n = 0;
		try {
			PreparedStatement preparedStatement = connection
					.prepareStatement(sql);
			for (int i = 0; i < p.length; i++) {
				preparedStatement.setObject(i + 1, p[i]);
			}
			n = preparedStatement.executeUpdate();
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			releaseConnection(connection);
		}
		return n;
	}
	// 查詢
	public static ResultSet query(String sql, Object... p) {
		Connection connection = getConnection();
		ResultSet rs = null;
		try {
			PreparedStatement preparedStatement = connection
					.prepareStatement(sql);
			for (int i = 0; i < p.length; i++) {
				preparedStatement.setObject(i + 1, p[i]);
			}
			rs = preparedStatement.executeQuery();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return rs;
	}
}
4.2 登录窗口
package com.view;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.UnsupportedLookAndFeelException;
import com.control.CancelLoginListener;
import com.control.LoginActionListener;
import com.control.RandomNumberListener;
public class LoginView extends JFrame {
	
	private JLabel usernameJLabel, passwordJLabel;
	private JTextField usernameJTextField, passwordJTextField;
	private JButton loginButton, cancelButton;
	private JLabel randomNumber, randomNumberJLabel;
	private JTextField randomField;
	private Icon icon=new ImageIcon("src//Image//longin.jpg");
	private JLabel ImageLabel=new JLabel(icon);
	public LoginView() {
		// 设置容器属性
		setTitle("用户登录");
		setSize(650, 432);
		setLayout(null);
		setResizable(false);// 设置窗口的大小不能改变
		setLocationRelativeTo(null);
		// 初始化组件
		usernameJLabel = new JLabel("用戶名:");
		passwordJLabel = new JLabel("密    码:");
		usernameJTextField = new JTextField();
		passwordJTextField = new JPasswordField();
		randomNumber=new JLabel("验证码:");
		randomNumberJLabel=new JLabel("9527");
		randomField=new JTextField();
		cancelButton = new JButton("取消");
		loginButton = new JButton("登陆");
		// 地位组件
		usernameJLabel.setBounds(320, 170, 70, 20);
		usernameJTextField.setBounds(400, 170, 130, 20);
		passwordJLabel.setBounds(320, 220, 70, 20);
		passwordJTextField.setBounds(400, 220, 130, 20);
		randomNumber.setBounds(320, 270, 70, 20);
		randomNumberJLabel.setBounds(390, 270, 50, 20);
		randomField.setBounds(450, 270, 70, 20);
		cancelButton.setBounds(320, 320, 70, 20);
		loginButton.setBounds(450, 320, 70, 20);
		ImageLabel.setBounds(0, 0, 650, 432);
		add(usernameJLabel);
		add(usernameJTextField);
		add(passwordJLabel);
		add(passwordJTextField);
		add(randomNumber);
		add(randomNumberJLabel);
		add(randomField);
		add(cancelButton);
		add(loginButton);
		add(ImageLabel);
		loginButton.addActionListener(new LoginActionListener(this));
		randomNumberJLabel.addMouseListener(new RandomNumberListener(this));
		cancelButton.addActionListener(new CancelLoginListener(this));
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
	}
	public JTextField getRandomField() {
		return randomField;
	}
	public void setRandomField(JTextField randomField) {
		this.randomField = randomField;
	}
	public JLabel getRandomNumber() {
		return randomNumber;
	}
	public void setRandomNumber(JLabel randomNumber) {
		this.randomNumber = randomNumber;
	}
	public JLabel getRandomNumberJLabel() {
		return randomNumberJLabel;
	}
	public void setRandomNumberJLabel(JLabel randomNumberJLabel) {
		this.randomNumberJLabel = randomNumberJLabel;
	}
	public JLabel getUsernameJLabel() {
		return usernameJLabel;
	}
	public void setUsernameJLabel(JLabel usernameJLabel) {
		this.usernameJLabel = usernameJLabel;
	}
	public JLabel getPasswordJLabel() {
		return passwordJLabel;
	}
	public void setPasswordJLabel(JLabel passwordJLabel) {
		this.passwordJLabel = passwordJLabel;
	}
	public JTextField getUsernameJTextField() {
		return usernameJTextField;
	}
	public void setUsernameJTextField(JTextField usernameJTextField) {
		this.usernameJTextField = usernameJTextField;
	}
	public JTextField getPasswordJTextField() {
		return passwordJTextField;
	}
	public void setPasswordJTextField(JTextField passwordJTextField) {
		this.passwordJTextField = passwordJTextField;
	}
	public JButton getLoginButton() {
		return loginButton;
	}
	public void setLoginButton(JButton loginButton) {
		this.loginButton = loginButton;
	}
	public JButton getCancelButton() {
		return cancelButton;
	}
	public void setCancelButton(JButton cancelButton) {
		this.cancelButton = cancelButton;
	}
	public static void main(String[] args) {
		
		try {
			javax.swing.UIManager.setLookAndFeel("com.jtattoo.plaf.bernstein.BernsteinLookAndFeel");
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InstantiationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (UnsupportedLookAndFeelException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
		new LoginView();
		
	}
}
4.3 主界面窗口
package com.view;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import com.control.CloseMainView;
public class MainView extends JFrame {
	
	private JLabel barLabel = new JLabel();
	private JLabel timejJLabel = new JLabel();
	// 创建内部窗体
	public static JDesktopPane rightDesktopPane = new JDesktopPane();
	JDesktopPaneTree jDesktopPaneTree = new JDesktopPaneTree();
	public MainView() {
		// 设计窗体属性
		setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
		setTitle("超市商品管理系统");
		setSize(950, 650);
		setLayout(null);
		setLocationRelativeTo(null);
		setResizable(false);// 设置窗口的大小不能改变
		rightDesktopPane.setOpaque(false);
		rightDesktopPane.setBounds(250, 30, 750, 590);
		barLabel.setBounds(700, 0, 200, 30);
		timejJLabel.setBounds(500, 555, 180, 20);
		jDesktopPaneTree.setBounds(0, 0, 250, 615);
		// 添加菜单
		add(barLabel);
		add(rightDesktopPane);
		add(jDesktopPaneTree);
		rightDesktopPane.add(timejJLabel);
		rightDesktopPane.setVisible(true);
		jDesktopPaneTree.setVisible(true);
		setVisible(true);
		addWindowListener(new CloseMainView());
	}
	public JLabel getBarLabel() {
		return barLabel;
	}
	public void setBarLabel(JLabel barLabel) {
		this.barLabel = barLabel;
	}
	public JDesktopPaneTree getjDesktopPaneTree() {
		return jDesktopPaneTree;
	}
	public void setjDesktopPaneTree(JDesktopPaneTree jDesktopPaneTree) {
		this.jDesktopPaneTree = jDesktopPaneTree;
	}
	public JLabel getTimejJLabel() {
		return timejJLabel;
	}
	public void setTimejJLabel(JLabel timejJLabel) {
		this.timejJLabel = timejJLabel;
	}
	public static JDesktopPane getRightDesktopPane() {
		return rightDesktopPane;
	}
	public static void setRightDesktopPane(JDesktopPane rightDesktopPane) {
		MainView.rightDesktopPane = rightDesktopPane;
	}
	public static void main(String[] args) {
		new MainView();
	}
}
4.4 登录窗口监听
package com.control;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JOptionPane;
import com.model.UserDao;
import com.view.LoginView;
import com.view.MainView;
public class LoginActionListener implements ActionListener {
	LoginView loginView;
	UserDao userDao1 = new UserDao();
	MainView mainView;
	public LoginActionListener(MainView mainView) {
		this.mainView = mainView;
	}
	//JDesktopPaneTree jDesktopPaneTree = new JDesktopPaneTree();
	public LoginActionListener(LoginView loginView) {
		this.loginView = loginView;
	}
	public void actionPerformed(ActionEvent e) {
		String username = loginView.getUsernameJTextField().getText();
		String password = loginView.getPasswordJTextField().getText();
		String s = loginView.getRandomNumberJLabel().getText();
		String s1 = loginView.getRandomField().getText();
		if (username.length() == 0) {
			JOptionPane.showMessageDialog(null, "用户名不能为空!");
			return;
		}
		if (password.length() == 0) {
			JOptionPane.showMessageDialog(null, "密码不能为空!");
			return;
		}
		if (s1.length() == 0) {
			JOptionPane.showMessageDialog(null, "请输入验证码!");
			return;
		}
		if (s1.equals(s)) {
			boolean b = userDao1.userDao(username, password);
			ResultSet rs = userDao1.getResultSet(username, password);
			Date date = new Date();
			SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH");
			int ss = Integer.parseInt(simpleDateFormat.format(date));
			if (b) {
				final MainView mainView = new MainView();// 登陆成功,跳转到主窗
				new Thread() {
					public void run() {
						while (true) {
							Date date = new Date();
							SimpleDateFormat simpleDateFormat = new SimpleDateFormat(
									"yyyy/MM/dd hh:mm:ss");
							String date1 = simpleDateFormat.format(date);
							mainView.getTimejJLabel().setText(date1);
							try {
								Thread.sleep(1000);
							} catch (InterruptedException e) {
								e.printStackTrace();
							}
						}
					}
				}.start();
				loginView.dispose();
					try {
						while (rs.next()) {
							if (ss > 0 && ss < 10) {
								
								mainView.getBarLabel().setText(
										"早上好!!!" + rs.getString(1));
								
							}
							if (ss >=10 && ss < 14) {
								mainView.getBarLabel().setText(
										"中午好!!!" + rs.getString(1));
							}
							if (ss >=14 && ss < 19) {
								mainView.getBarLabel().setText(
										"下午好!!!" + rs.getString(1));
							}
							if (ss >=19 && ss < 24) {
								mainView.getBarLabel().setText(
										"晚上好!!!" + rs.getString(1));
							}
						}
					} catch (SQLException e1) {
						e1.printStackTrace();
					}
			
			} else {
				JOptionPane.showMessageDialog(null, "用户名或密码错误!");
			}
		} else {
			JOptionPane.showMessageDialog(null, "验证码错误!");
		}
	}
}
4.5 验证码监听
package com.control;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Random;
import com.view.LoginView;
public class RandomNumberListener implements MouseListener {
	LoginView loginView;
	public RandomNumberListener(LoginView loginView) {
		this.loginView = loginView;
	}
	public void mouseClicked(MouseEvent e) {
		String s = "abcdefghijklmnopqrstuvwxzyABCDEFGHIJKLMNOPQPSTWVWXYZ01234567890";
		Random random = new Random();
		char[] c = new char[4];
		for (int i = 0; i < 4; i++) {
			int intdex = random.nextInt(62);
			c[i] = s.charAt(intdex);			
		}
		loginView.getRandomNumberJLabel().setText(new String(c));
	}
	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub
	}
	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub
	}
	@Override
	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub
	}
	@Override
	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub
	}
}
5、项目文件内容包含
6、项目获取
6.1 方式一
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6.2 方式二
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