start.java

用JAVA做的图书借阅信息系统

import java.awt.*;
import java.awt.event.*;
class StartFrame extends Frame implements ActionListener
{
	Toolkit tool;
	Image img;
	Dimension dim;
	Button button1;
	StartFrame(String s)
	{
		super(s);
		tool=getToolkit();
		dim=tool.getScreenSize();
		setBounds(0,0,dim.width,dim.height);
		setLayout(null);
		button1=new Button("点击进入");
		button1.setBackground(Color.red);
		button1.setFont(new Font("Dialog",Font.BOLD,18));
		button1.addActionListener(this);
		add(button1);
		button1.setBounds(360,540,90,30);
	    setVisible(true);
		addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e)
											  {
												  setVisible(false);
												  System.exit(0);
			}});
	}
	public void paint(Graphics g)
	{
		img=tool.getImage("e:\\Java图书借阅系统\\mis.jpg");
		g.drawImage(img,0,0,dim.width,dim.height,this);
	}
	public void actionPerformed(ActionEvent e)
	{
		button1.setVisible(false);
		UserLogin d1=new UserLogin(this,"用户登录",true);
		d1.setVisible(true);
		this.dispose();
	}
}
public class Start
{
	public static void main(String[] args)
	{
		new StartFrame("图书销售信息系统");
	}
}