startwindow.java

老师给的在线航班系统

package com.toa.abs.cui;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Rectangle;

import javax.swing.JWindow;
import java.io.File;

/**
 * 
 */
public class StartWindow extends JWindow {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	/**
	 */
	private JLabel jl = null;


	private JProgressBar jpb = null;


	public StartWindow() {
		jl = new JLabel("  ");
		jpb = new JProgressBar(0, 100);
		initialize();
	}

	/**

	 */
	public JLabel getJl() {
		return jl;
	}

	/**

	 */
	public JProgressBar getJpb() {
		return jpb;
	}

	/**
	 *  */
	private void initialize() {
		this.setSize(400, 250);
		this.setContentPane(getJContentPane());
		Dimension dim = this.getToolkit().getScreenSize();
		Rectangle rt = this.getBounds();
		this.setLocation((dim.width - rt.width) / 2,
				(dim.height - rt.height) / 2);
	}

	/**
	
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {

			jContentPane = new JPanel() {
				private static final long serialVersionUID = 1L;

				/**

				 */
				public void paint(Graphics g) {
					super.paint(g);
					Image startImage = new ImageIcon("."+File.separator+"image"+File.separator+"start_image01.jpg")
							.getImage();
					g.drawImage(startImage, 0, 0, 400, 220, this);
				}
			};
			jContentPane.setLayout(new BorderLayout());
			JPanel footPane = new JPanel();
			footPane.setLayout(new GridLayout(2, 1));
			footPane.setBackground(new Color(84, 141, 208));
			jpb.setBorderPainted(false);
			jpb.setBackground(new Color(84, 141, 208));
			footPane.add(jl);
			footPane.add(jpb);
			jContentPane.add(footPane, BorderLayout.SOUTH);
		}
		return jContentPane;
	}
	
	public void showMe(){
		this.setVisible(true);
		while(ClientMainClass.startPercent<100){
			this.getJpb().setValue(ClientMainClass.startPercent);
			this.getJl().setText(ClientMainClass.startMessgae);
			ClientMainClass.delay(30);
		}
		ClientMainClass.delay(400);
		this.dispose();
	}
}