aboutdialog.java

是适合于使用的管理系统 可以在现实中使用

package mysiloer;

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


class  AboutDialog extends JDialog{
  Toolkit  toolkit;
  Image image;
  JButton okButton=new JButton("确  定");
  JPanel panelA=new JPanel();
  public AboutDialog(JFrame owner, String title, boolean modle){
    super(owner,title,modle);
    this.setResizable(false);
    panelA.add(okButton);
    getContentPane().add(BorderLayout.SOUTH,panelA);
    okButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        setVisible(false);
        dispose();
    }});
    toolkit=Toolkit.getDefaultToolkit();
    image=toolkit.getImage(this.getClass().getResource("duke.gif"));
    try{ MediaTracker  md=new MediaTracker(this);
    md.addImage(image,0);
    md.waitForID(0);}
    catch(Exception e){}
    Toolkit tool = this.getToolkit();
    Dimension screen = tool.getScreenSize();
    Dimension size = this.getSize();
    setLocation((screen.width - size.width)/2 - 200,
                (screen.height - size.height)/2 - 200);
    setSize(450,370);
//    setVisible(true);
  }
  public void paint(Graphics g){
    super.paint(g);
    g.drawImage(image,150,60,100,80,this);
    g.setFont(new Font("宋体",Font.BOLD,20));
    g.setColor(new Color(0, 0, 100));
    g.drawString("关于本软件:\n",60,170);
    g.setColor(new Color(0, 100, 0));
    g.drawString("该软件为\"床垫厂管理系统\"，",60,200);
    g.drawString("主要用于仓库的维护与管理。",60,230);
    g.drawString("本软件主要针对\"床垫厂\"而开发。",60,260);
    g.drawString("但对其他仓库也用一定的实用价值！",60,290);
    g.setColor(Color.blue);
    g.setFont(new Font("宋体",Font.BOLD,10));
    g.drawString("Copy right: 2005-5-7, yskeySoft. All rights reserved.",60,310);
  }
}