Untitled
unknown
plain_text
3 years ago
6.3 kB
5
Indexable
package hotel; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; // sai ten class, cammel case public class loginPage { private JFrame frame; private JTextField tfusername; private JPasswordField tfpwd; // ten bien khong viet hoa JLabel Ustar = new JLabel("*"); JLabel Pstar = new JLabel("*"); /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { Hotel hotel = Hotel.getInstance(); public void run() { try { loginPage window = new loginPage(); window.frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public loginPage() { initialize(); Ustar.setVisible(false); Pstar.setVisible(false); // format sai } private void initialize() { frame = new JFrame(); frame.getContentPane().setFont(new Font("Times New Roman", Font.BOLD, 23)); frame.setBounds(50, 50, 898, 624); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().setLayout(null); JLabel lblLogin = new JLabel("LOGIN "); lblLogin.setFont(new Font("Times New Roman", Font.BOLD, 32)); lblLogin.setBounds(369, 190, 212, 67); frame.getContentPane().add(lblLogin); JLabel lblUsername = new JLabel("USERNAME"); lblUsername.setFont(new Font("Times New Roman", Font.BOLD, 23)); lblUsername.setBounds(269, 324, 155, 50); frame.getContentPane().add(lblUsername); JLabel lblPassword = new JLabel("PASSWORD"); lblPassword.setFont(new Font("Times New Roman", Font.BOLD, 23)); lblPassword.setBounds(280, 413, 133, 38); frame.getContentPane().add(lblPassword); tfusername = new JTextField(); tfusername.setFont(new Font("Times New Roman", Font.BOLD, 23)); tfusername.setBounds(489, 331, 208, 38); frame.getContentPane().add(tfusername); tfusername.setColumns(10); tfusername.setFont(new Font("Times New Roman", Font.BOLD, 23)); tfusername.setBounds(489, 331, 208, 38); frame.getContentPane().add(tfusername); tfusername.setColumns(10); tfpwd = new JPasswordField(); tfpwd.setFont(new Font("Times New Roman", Font.BOLD, 23)); tfpwd.setBounds(489, 414, 208, 38); frame.getContentPane().add(tfpwd); JButton btnLogin = new JButton("LOGIN"); btnLogin.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Ustar.setVisible(false); Pstar.setVisible(false); // sai | thanh || if (tfusername.getText().equals("") | tfusername.getText().equals("*")) { Ustar.setVisible(true); } if (String.valueOf(tfpwd.getPassword()).equals("")) { Pstar.setVisible(true); } else { //String url,user,pwd; GetConnection connect = new GetConnection(); Connection conn = connect.getConnection(); try { //Connection connect =DriverManager.getConnection(url, user, pwd); //System.out.println("Connection success"); // sql injection PreparedStatement ps = conn.prepareStatement("SELECT * FROM login WHERE username='" + tfusername.getText() + "' AND password='" + tfpwd.getPassword() + "' "); ps.setString(1, tfusername.getText()); ps.setString(2, String.valueOf(tfpwd.getPassword())); ResultSet rs = ps.executeQuery(); if (rs.next()) { // ten class k viet hoa secondPage sp = new secondPage(); sp.setVisible(true); sp.pack(); sp.setLocationRelativeTo(null); sp.setBounds(50, 50, 1015, 574); frame.setVisible(false); } else JOptionPane.showMessageDialog(null, "Error", "Please check user name / password", JOptionPane.ERROR_MESSAGE); } catch (SQLException p) { p.printStackTrace(); } } } }); btnLogin.setFont(new Font("Times New Roman", Font.BOLD, 23)); btnLogin.setBounds(288, 513, 147, 50); frame.getContentPane().add(btnLogin); JButton btnCancel = new JButton("CANCEL"); btnCancel.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); btnCancel.setFont(new Font("Times New Roman", Font.BOLD, 23)); btnCancel.setBounds(565, 513, 155, 51); frame.getContentPane().add(btnCancel); Ustar.setForeground(Color.RED); Ustar.setFont(new Font("Times New Roman", Font.BOLD, 28)); Ustar.setBounds(699, 347, 46, 21); frame.getContentPane().add(Ustar); Pstar.setForeground(Color.RED); Pstar.setFont(new Font("Times New Roman", Font.BOLD, 28)); Pstar.setBounds(699, 430, 46, 21); frame.getContentPane().add(Pstar); JLabel label = new JLabel(""); label.setIcon(new ImageIcon("images\\login (8).png")); label.setBounds(12, 234, 314, 283); frame.getContentPane().add(label); JLabel lblHotelManagementSystem = new JLabel("HOTEL MANAGEMENT SYSTEM"); lblHotelManagementSystem.setFont(new Font("Monotype Corsiva", Font.BOLD, 40)); lblHotelManagementSystem.setBounds(109, 72, 636, 80); frame.getContentPane().add(lblHotelManagementSystem); } }
Editor is loading...