jwindows.java

一个用java语言编写的基于数据库的系统

import javax.swing.*;
import java.awt.*;
import java.awt.Color;
public class jWindows{
   private JWindow window =new JWindow();
    public jWindows(String stext){
    Dimension dim=Toolkit.getDefaultToolkit().getScreenSize();
    JLabel jb=new JLabel(stext,JLabel.CENTER);
    window.add(jb,BorderLayout.CENTER);
    window.setSize(400,300);
    int w=window.getSize().width;
    int h=window.getSize().height;
    int x=(dim.width-w)/2;
    int y=(dim.height-h)/2;

    window.setLocation(x,y);

}
public void hidden(){
	window.setVisible(false);
}
public void show(){
	window.setVisible(true);
}
public static void main(String[]a){
	jWindows JW=new jWindows("RIVERWIND 制造 V1.00");
	JW.show();
	Thread td=new Thread();
	try{
		td.sleep(3000);
	}
	catch(InterruptedException ex){
		System.out.println("sleep error!");
	}
	JW.hidden();
}
}