import.java

这个是我二年级写的一个教务管理系统 大家可以下来

package caoyu;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


class SplashWindow extends JWindow implements ActionListener{
	JLabel back =new JLabel(new ImageIcon("back.jpg"));
	JProgressBar progressBar=new JProgressBar(1,100);
	Timer timer;
	int n=100;
	public SplashWindow(){
		setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
		progressBar.setStringPainted(true);
		progressBar.setString("程序加载中，请稍等.......");
		getContentPane().add(back,"Center");
		getContentPane().add(progressBar,"South");
		setSize(500,300);
		toFront();
		setLocation(100,200);
		setVisible(true);
		timer=new javax.swing.Timer(100,this);
		timer.addActionListener(this);
		timer.start();
		}
	public void actionPerformed(ActionEvent e){
		if(--n>0){
			progressBar.setValue(100-n);
			timer.restart();
			}
		else{
			timer.stop();
			dispose();
			LoginWindow lw=new LoginWindow();
			}
	    }
	public static void main(String args[]){
		SplashWindow splashWindow=new SplashWindow();
		}
	}