Java实现屏幕右下角弹出类QQ提示消…

package Rong;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingConstants;
import java.awt.Insets;
import java.awt.Toolkit;
import javax.swing.JDialog;

public class VersionUtil{
 private Map<String,String> feaMap = null;
 private Point oldP;//上一次坐标,拖动窗口时用
 private TipWindow tw = null;//提示框
 private ImageIcon img = null;//图像组件
 private JLabel imgLabel = null; //背景图片标签
 private JPanel headPan = null;
 private JPanel feaPan =null;
 private JPanel btnPan = null;
 private JLabel title = null;
 private JLabel head = null;
 private JLabel close = null;//关闭按钮
 private JTextArea feature = null;
 private JScrollPane jfeaPan = null;
 private JLabel releaseLabel = null;
 private JLabel sure = null;
 private SimpleDateFormat sdf=null;
 
 {
  sdf=new SimpleDateFormat("yyyy-MM-ddHH:mm:ss");
  feaMap = new HashMap<String,String>();
  feaMap.put("name", "资产管理系统");
  feaMap.put("release", sdf.format(newDate()));
  feaMap.put("feature","1.开发环境:windows\n2.开发语言:java\n3.开发工具:Eclipse3.2\n4.数据库类型:SQLServer2005\n5.开发人员:34\n6.联系方式:1521547080");
 }
 
 public VersionUtil() {
  init();  
  handle();
 tw.setAlwaysOnTop(true);   
  tw.setUndecorated(true);
  tw.setResizable(false);
  tw.setVisible(true);
  tw.run();
 }
 public void init(){  
  //新建300x220的消息提示框
  tw = new TipWindow(300, 220); 
  img = new ImageIcon("background.gif");
  imgLabel = new JLabel(img); 
  //设置各个面板的布局以及面板中控件的边界
  headPan = new JPanel(newFlowLayout(FlowLayout.CENTER, 0, 0));
  feaPan = new JPanel(newFlowLayout(FlowLayout.CENTER, 0, 0));
  btnPan = new JPanel(newFlowLayout(FlowLayout.CENTER, 0, 0));
  title = new JLabel("欢迎使用本系统");
  head = new JLabel(feaMap.get("name"));
  close = new JLabel(" x");//关闭按钮
  feature = newJTextArea(feaMap.get("feature"));
  jfeaPan = new JScrollPane(feature);
  releaseLabel = new JLabel("登录 " + feaMap.get("release"));  
  sure = new JLabel("确定");
 sure.setHorizontalAlignment(SwingConstants.CENTER);
 
  // 将各个面板设置为透明，否则看不到背景图片
  ((JPanel)tw.getContentPane()).setOpaque(false);
  headPan.setOpaque(false);
  feaPan.setOpaque(false);
  btnPan.setOpaque(false);
 
  //设置JDialog的整个背景图片
  tw.getLayeredPane().add(imgLabel, newInteger(Integer.MIN_VALUE));
  imgLabel.setBounds(0, 0, img.getIconWidth(),img.getIconHeight());
  headPan.setPreferredSize(new Dimension(300,60));
 
  //设置提示框的边框,宽度和颜色
 tw.getRootPane().setBorder(BorderFactory.createMatteBorder(1, 1, 1,1, Color.gray));
 
  title.setPreferredSize(new Dimension(260,26));
 title.setVerticalTextPosition(JLabel.CENTER);
 title.setHorizontalTextPosition(JLabel.CENTER);
  title.setFont(new Font("宋体", Font.PLAIN,12));
  title.setForeground(Color.black);

 
  close.setFont(new Font("Arial", Font.BOLD,15));
  close.setPreferredSize(new Dimension(20,20));
 close.setVerticalTextPosition(JLabel.CENTER);
 close.setHorizontalTextPosition(JLabel.CENTER);
  close.setCursor(new Cursor(12));
  close.setToolTipText("关闭");

 
  head.setPreferredSize(new Dimension(250,35));
 head.setVerticalTextPosition(JLabel.CENTER);
 head.setHorizontalTextPosition(JLabel.CENTER);
  head.setFont(new Font("宋体", Font.PLAIN,12));
  head.setForeground(Color.blue);

 
  feature.setEditable(false);
  feature.setForeground(Color.red);
  feature.setFont(new Font("宋体", Font.PLAIN,13));
  feature.setBackground(new Color(184, 230,172));
  //设置文本域自动换行
  feature.setLineWrap(true);

  jfeaPan.setPreferredSize(new Dimension(250,80));
  jfeaPan.setBorder(null);
  jfeaPan.setBackground(Color.black);
 
 releaseLabel.setForeground(Color.DARK_GRAY);
  releaseLabel.setFont(new Font("宋体", Font.PLAIN,12));
 
  //为了隐藏文本域，加个空的JLabel将他挤到下面去
  JLabel jsp = new JLabel();
  jsp.setPreferredSize(new Dimension(300,25));
 
  sure.setPreferredSize(new Dimension(110,30));
  //设置标签鼠标手形
  sure.setCursor(new Cursor(12));

  headPan.add(title);
  headPan.add(close);
  headPan.add(head);
 
  feaPan.add(jsp);
  feaPan.add(jfeaPan);
  feaPan.add(releaseLabel);
 
  btnPan.add(sure);
 
  tw.add(headPan, BorderLayout.NORTH);
  tw.add(feaPan, BorderLayout.CENTER);
  tw.add(btnPan, BorderLayout.SOUTH); 
 }
 
 public void handle() {
  //为更新按钮增加相应的事件
  sure.addMouseListener(new MouseAdapter() {
   public voidmouseClicked(MouseEvent e) {
   JOptionPane.showMessageDialog(tw, "谢谢，再见");
   tw.close();
   }
   public voidmouseEntered(MouseEvent e) {
   sure.setBorder(BorderFactory.createLineBorder(Color.gray));
   }
   public voidmouseExited(MouseEvent e) {
   sure.setBorder(null);
   }
  });
  //增加鼠标拖动事件
  title.addMouseMotionListener(newMouseMotionAdapter(){
   public voidmouseDragged(MouseEvent e) {
    // TODOAuto-generated method stub
    Point newP =new Point(e.getXOnScreen(), e.getYOnScreen());  
    int x =tw.getX() + (newP.x - oldP.x);
    int y =tw.getY() + (newP.y - oldP.y);
   tw.setLocation(x, y);
   oldP=newP;
    
   }  
  });
  //鼠标按下时初始坐标,供拖动时计算用
  title.addMouseListener(new MouseAdapter(){   
   public voidmousePressed(MouseEvent e) {
    oldP = newPoint(e.getXOnScreen(), e.getYOnScreen());
   }
  });
 
  //右上角关闭按钮事件
  close.addMouseListener(new MouseAdapter(){
   public voidmouseClicked(MouseEvent e) {
   tw.close();
   }

   public voidmouseEntered(MouseEvent e) {
   close.setBorder(BorderFactory.createLineBorder(Color.gray));
   }

   public voidmouseExited(MouseEvent e) {
   close.setBorder(null);
   }
  });

 }
 public static void main(String args[]) {
  new VersionUtil();
 }
}
class TipWindow extends JDialog{  
 private static final long serialVersionUID =8541659783234673950L;
 private static Dimension dim; 
    private intx,  y;  
    private intwidth,  height;  
    privatestatic Insets screenInsets;   
 
 
    publicTipWindow(int width,int height){
    this.width=width;
    this.height=height;
       dim = Toolkit.getDefaultToolkit().getScreenSize(); 
       screenInsets  =  Toolkit.getDefaultToolkit().getScreenInsets(this.getGraphicsConfiguration());
       x = (int) (dim.getWidth() - width-3);  
       y = (int) (dim.getHeight()-screenInsets.bottom-3);
    initComponents();
    }
    public voidrun() {  
       for (int i = 0; i <= height; i += 10) { 
          try {  
               this.setLocation(x, y - i);
               Thread.sleep(5);  
           } catch (InterruptedException ex){    
           }  
       }
       //此处代码用来实现让消息提示框5秒后自动消失
       try {
   Thread.sleep(5000);
  } catch (InterruptedException e) {
   // TODO Auto-generated catchblock
   e.printStackTrace();
  }
       close();
   }    
    private voidinitComponents() {  
       this.setSize(width, height);  
       this.setLocation(x, y);  
       this.setBackground(Color.black);      
   }   
    public voidclose(){
    x=this.getX();
    y=this.getY();
    int ybottom=(int)dim.getHeight()-screenInsets.bottom;
    for (int i = 0; i <= ybottom-y; i += 10) { 
           try{             
               setLocation(x, y+i);
               Thread.sleep(5);                                 
           } catch (InterruptedException ex) {  
           }  
       }
    dispose();
    }
}