login.jad

大型数据库课程设计源码

// Decompiled by DJ v3.5.5.77 Copyright 2003 Atanas Neshkov  Date: 2008-1-13 18:39:33
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   Login.java

package com.vbank;

import com.vbank.admin.WorkBench;
import com.vbank.db.DBManager;
import com.vbank.operate.ServiceFrame;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.PrintStream;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.*;

public class Login extends JFrame
{

    private JLabel getJLabel()
    {
        if(jLabel == null)
        {
            jLabel = new JLabel();
            jLabel.setText(" login on");
            jLabel.setFont(new Font("Dialog", 1, 18));
            jLabel.setHorizontalAlignment(0);
            jLabel.setBounds(new Rectangle(78, 23, 186, 18));
        }
        return jLabel;
    }

    private JTextField getNameField()
    {
        if(nameField == null)
        {
            nameField = new JTextField();
            nameField.setBounds(new Rectangle(133, 97, 122, 22));
        }
        return nameField;
    }

    private JButton getJButton()
    {
        if(jButton == null)
        {
            jButton = new JButton();
            jButton.setFont(new Font("Dialog", 1, 12));
            jButton.setHorizontalTextPosition(0);
            jButton.setLocation(new Point(63, 196));
            jButton.setSize(new Dimension(67, 29));
            jButton.setText("login");
            jButton.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e)
                {
                    if(e.getSource().equals(jButton))
                    {
                        System.out.println("actionPerformed()");
                        String name = nameField.getText();
                        String pwd = passwordField.getText();
                        String isadmin = "n";
                        if(jRadioButton.isSelected())
                            isadmin = "y";
                        if(name != null && pwd != null)
                        {
                            closeLoginFrame();
                            int f = verifyUser(name, pwd, isadmin);
                            switch(f)
                            {
                            case -1: 
                                reEnter();
                                break;

                            case 0: // '\0'
                                (new WorkBench(name, isadmin)).setVisible(true);
                                break;

                            case 1: // '\001'
                                (new ServiceFrame(name, isadmin)).setVisible(true);
                                break;
                            }
                        } else
                        {
                            reEnter();
                        }
                    }
                }

                final Login this$0;

            
            {
                this$0 = Login.this;
                super();
            }
            });
        }
        return jButton;
    }

    private void closeLoginFrame()
    {
        dispose();
    }

    private int verifyUser(String name, String pwd, String isadmin)
    {
        int flag = -1;
        if(name != "" && pwd != "")
        {
            String sql = (new StringBuilder("select * from operator where operateNum='")).append(name).append("' and operatePwd='").append(pwd).append("'and isadmin='").append(isadmin).append("'").toString();
            DBManager.getConnection();
            ResultSet rs = DBManager.executeSelect(sql);
            try
            {
                if(rs.next())
                    if(rs.getString("isadmin").equalsIgnoreCase("y"))
                        flag = 0;
                    else
                    if(rs.getString("isadmin").equalsIgnoreCase("n"))
                        flag = 1;
            }
            catch(SQLException e1)
            {
                System.out.println("connection error");
                e1.printStackTrace();
            }
        }
        return flag;
    }

    private void reEnter()
    {
        repaint();
        setVisible(true);
    }

    protected void paintComponent(Graphics g)
    {
        setVisible(false);
        errorLabel.setText("Please enten your name or password!");
        errorLabel.setVisible(true);
        errorLabel.paintImmediately(errorLabel.getBounds());
        super.paintComponents(g);
    }

    private JButton getJButton1()
    {
        if(jButton1 == null)
        {
            jButton1 = new JButton();
            jButton1.setBounds(new Rectangle(134, 197, 71, 29));
            jButton1.setHorizontalTextPosition(2);
            jButton1.setText("reset");
            jButton1.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e)
                {
                    nameField.setText("");
                    passwordField.setText("");
                }

                final Login this$0;

            
            {
                this$0 = Login.this;
                super();
            }
            });
        }
        return jButton1;
    }

    private JButton getJButton2()
    {
        if(jButton2 == null)
        {
            jButton2 = new JButton();
            jButton2.setBounds(new Rectangle(210, 197, 76, 29));
            jButton2.setPreferredSize(new Dimension(65, 29));
            jButton2.setText("cancel");
            jButton2.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e)
                {
                    closeLoginFrame();
                }

                final Login this$0;

            
            {
                this$0 = Login.this;
                super();
            }
            });
        }
        return jButton2;
    }

    private JTextField getPasswordField()
    {
        if(passwordField == null)
        {
            passwordField = new JPasswordField();
            passwordField.setBounds(new Rectangle(135, 137, 119, 22));
        }
        return passwordField;
    }

    private JRadioButton getJRadioButton()
    {
        if(jRadioButton == null)
        {
            jRadioButton = new JRadioButton();
            jRadioButton.setBounds(new Rectangle(74, 171, 21, 21));
        }
        return jRadioButton;
    }

    private JRadioButton getJRadioButton1()
    {
        if(jRadioButton1 == null)
        {
            jRadioButton1 = new JRadioButton();
            jRadioButton1.setBounds(new Rectangle(185, 172, 21, 21));
            jRadioButton1.setSelected(true);
        }
        return jRadioButton1;
    }

    public static void main(String args[])
    {
        SwingUtilities.invokeLater(new Runnable() {

            public void run()
            {
                Login thisClass = new Login();
                thisClass.setDefaultCloseOperation(3);
                thisClass.setVisible(true);
            }

        });
    }

    public Login()
    {
        jContentPane = null;
        jLabel = null;
        jLabel1 = null;
        nameField = null;
        jLabel2 = null;
        jButton = null;
        jButton1 = null;
        jButton2 = null;
        passwordField = null;
        errorLabel = null;
        jRadioButton = null;
        jLabel3 = null;
        jRadioButton1 = null;
        jLabel4 = null;
        initialize();
    }

    private void initialize()
    {
        setSize(360, 289);
        int w = Toolkit.getDefaultToolkit().getScreenSize().width;
        int h = Toolkit.getDefaultToolkit().getScreenSize().height;
        int x = (w - getSize().width) / 2;
        int y = (h - getSize().height) / 2;
        setLocation(x, y);
        setContentPane(getJContentPane());
        setTitle("Admin Login");
        setVisible(true);
    }

    private JPanel getJContentPane()
    {
        if(jContentPane == null)
        {
            jLabel4 = new JLabel();
            jLabel4.setBounds(new Rectangle(208, 174, 36, 15));
            jLabel4.setText("other");
            jLabel3 = new JLabel();
            jLabel3.setBounds(new Rectangle(99, 173, 36, 15));
            jLabel3.setText("admin");
            errorLabel = new JLabel();
            errorLabel.setBounds(new Rectangle(78, 61, 163, 18));
            errorLabel.setForeground(new Color(242, 1, 3));
            errorLabel.setText("JLabel");
            errorLabel.setVisible(false);
            jLabel2 = new JLabel();
            jLabel2.setBounds(new Rectangle(62, 138, 66, 18));
            jLabel2.setHorizontalAlignment(0);
            jLabel2.setText("password:");
            jLabel1 = new JLabel();
            jLabel1.setBounds(new Rectangle(62, 98, 67, 18));
            jLabel1.setHorizontalAlignment(0);
            jLabel1.setText("account:");
            jContentPane = new JPanel();
            jContentPane.setLayout(null);
            jContentPane.add(getJLabel(), null);
            jContentPane.add(jLabel1, null);
            jContentPane.add(getNameField(), null);
            jContentPane.add(jLabel2, null);
            jContentPane.add(getJButton(), null);
            jContentPane.add(getJButton1(), null);
            jContentPane.add(getJButton2(), null);
            jContentPane.add(getPasswordField(), null);
            jContentPane.add(errorLabel, null);
            jContentPane.add(getJRadioButton(), null);
            jContentPane.add(jLabel3, null);
            jContentPane.add(getJRadioButton1(), null);
            jContentPane.add(jLabel4, null);
            ButtonGroup bg = new ButtonGroup();
            bg.add(getJRadioButton());
            bg.add(getJRadioButton1());
        }
        return jContentPane;
    }

    private static final long serialVersionUID = 1L;
    private JPanel jContentPane;
    private JLabel jLabel;
    private JLabel jLabel1;
    private JTextField nameField;
    private JLabel jLabel2;
    private JButton jButton;
    private JButton jButton1;
    private JButton jButton2;
    private JTextField passwordField;
    private JLabel errorLabel;
    private JRadioButton jRadioButton;
    private JLabel jLabel3;
    private JRadioButton jRadioButton1;
    private JLabel jLabel4;







}