logindlg.java

Java实现的图书管理系统

/*
 * LoginDlg.java
 *
 * Created on 2003年5月14日, 下午3:59
 */

/**
 *
 * @author  administrator
 */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;
import javax.swing.border.*;

class LoginDlg extends JDialog {
    
    private String userName;
    private String userPassword;
    private JTextField tfUser;
    private JTextField tfPass;
    private BtAL btAL=new BtAL();
    
    /** Creates a new instance of LoginDlg */
    public LoginDlg(JFrame parent) 
    {
        super(parent,"登录",true);
        Container thispane=this.getContentPane();
        thispane.setLayout(new GridLayout(3,1));
        setSize(300,200);
        
        JLabel lbUser=new JLabel("用户名:");
        tfUser=new JTextField("mary",10);
        JLabel lbPass=new JLabel("密  码:");
        tfPass=new JTextField("mary",10);
        JButton btOk=new JButton("确定");
        btOk.addActionListener(btAL);
        
        JPanel panel=new JPanel();
        panel.add(lbUser);
        panel.add(tfUser);
        
        thispane.add(panel);
        
        panel=new JPanel();
        panel.add(lbPass);
        panel.add(tfPass);
        
        thispane.add(panel);
        
        thispane.add(btOk);
     
        
    }
    
    class BtAL implements ActionListener
    {
         public void actionPerformed(ActionEvent e) 
         {
             userName=tfUser.getText();
             userPassword=tfPass.getText();
             dispose();
         }
    }
    
    public String getUserName()
    {
        return userName;
    }
    
    public String getUserPassword()
    {
        return userPassword;
    }
    
}