loginframe.java

这个一个餐厅预定系统,可实现查询目前餐厅预订情况,实现餐桌预订以及就餐时为顾客调节餐桌的情况.

package bookingsystem;

import java.awt.*;
import java.awt.Graphics;
import javax.swing.ImageIcon;
import javax.swing.*;
import java.awt.BorderLayout;
import com.borland.jbcl.layout.XYLayout;
import com.borland.jbcl.layout.*;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;


/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */

public class LoginFrame extends myFrame {

    Image imgBackground;
    JPanel framePanel;
    XYLayout xYLayout1 = new XYLayout();
    JTextField jTextField1 = new JTextField();
    JPasswordField jPasswordField1 = new JPasswordField();
    JButton jButton1 = new JButton("确认");
    JButton jButton2 = new JButton("取消");


    public LoginFrame() {
        super();
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        this.setSize(450,300);
        this.setUndecorated(true);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        imgBackground = Toolkit.getDefaultToolkit().getImage("login.jpg");

        framePanel = new JPanel(){
            public void paint(Graphics g){

                g.drawImage(imgBackground, 0, 0, 450, 300, this);
                g.setColor(SystemColor.gray);
                g.drawRect(187, 245, 76, 20);
                g.drawRect(310, 245, 76, 20);
                g.setColor(Color.black);
                g.drawRoundRect(280, 273, 68, 20, 5, 5 );
                g.drawString("确认", 304, 289);
                g.drawRoundRect(352, 273, 68, 20, 5, 5 );
                g.drawString("取消", 376, 289);
            }
        };

        framePanel.setLayout(xYLayout1);
        jButton2.addActionListener(new LoginFrame_jButton2_actionAdapter(this));

        framePanel.add(jPasswordField1, new XYConstraints(310, 245, 76, 20));
        framePanel.add(jTextField1, new XYConstraints(187, 245, 76, 20));
        framePanel.add(jButton1, new XYConstraints(280, 273, 70, -1));
        framePanel.add(jButton2, new XYConstraints(352, 273, 70, -1));
        jButton1.addActionListener(new LoginFrame_jButton1_actionAdapter(this));

        this.setContentPane(framePanel);
        this.repaint();
    }

    public void jButton1_actionPerformed(ActionEvent e) {
        String admin_name=this.jTextField1.getText();
        String admin_pwd=String.valueOf(this.jPasswordField1.getPassword());
        boolean flag=new LoginManager().login(admin_name,admin_pwd);
        if ( flag == true ) {
            this.dispose();
            ResFrame resframe = new ResFrame();
            resframe.setSize(1000,720);

            //Center the window
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = resframe.getSize();
            if (frameSize.height > screenSize.height) {
                frameSize.height = screenSize.height;
           }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
           }
           resframe.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
           resframe.setVisible(true);
       }
      else
      {
          JOptionPane.showMessageDialog(null,"用户名或密码不正确");
      }

    }

    public void jButton2_actionPerformed(ActionEvent e) {
        this.dispose();
    }


}


class LoginFrame_jButton2_actionAdapter implements ActionListener {
    private LoginFrame adaptee;
    LoginFrame_jButton2_actionAdapter(LoginFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}


class LoginFrame_jButton1_actionAdapter implements ActionListener {
    private LoginFrame adaptee;
    LoginFrame_jButton1_actionAdapter(LoginFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {

        adaptee.jButton1_actionPerformed(e);
    }
}