为窗口添加状态栏，窗口添加状态栏,public class

为窗口添加状态栏，窗口添加状态栏,public class

public class JStatusPanel extends JPanel {          public JStatusPanel( ){              setPreferredSize(new Dimension(getWidth( ), 23));          }       public void paintComponent(Graphics g) {            super.paintComponent(g);           int y = 0;           g.setColor(new Color(156, 154, 140));           g.drawLine(0, y, getWidth( ), y);           y++;           g.setColor(new Color(196, 194, 183));           g.drawLine(0, y, getWidth( ), y);           y++;           g.setColor(new Color(218, 215, 201));           g.drawLine(0, y, getWidth( ), y);           y++;           g.setColor(new Color(233, 231, 217));           g.drawLine(0, y, getWidth( ), y);           y = getHeight( ) - 3;           g.setColor(new Color(233, 232, 218));           g.drawLine(0, y, getWidth( ), y);           y++;           g.setColor(new Color(233, 231, 216));           g.drawLine(0, y, getWidth( ), y);           y = getHeight( ) - 1;           g.setColor(new Color(221, 221, 220));           g.drawLine(0, y, getWidth( ), y);       }         JLabel resizeIconLabel = new JLabel(new TriangleSquareWindowsCornerIcon( ));          resizeIconLabel.setOpaque(false);         JPanel rightPanel = new JPanel(new BorderLayout( ));         rightPanel.setOpaque(false);         rightPanel.add(resizeIconLabel, BorderLayout.SOUTH);         add(rightPanel, BorderLayout.EAST);     contentPanel = new JPanel( );      contentPanel.setOpaque(false);      add(contentPanel, BorderLayout.CENTER);      layout = new com.jgoodies.forms.layout.FormLayout(           "2dlu, pref:grow",           "3dlu, fill:10dlu, 2dlu");       contentPanel.setLayout(layout);         public void setMainLeftComponent(JComponent component){            contentPanel.add(component, new CellConstraints(2, 2));        }       }            public class SeparatorPanel extends JPanel {                  private Color leftColor;                  private Color rightColor;                 public SeparatorPanel(Color left, Color right) {                     this.leftColor = left;                     this.rightColor = right;                     setOpaque(false);                 }                 protected void paintComponent(Graphics g) {                     g.setColor(leftColor);                     g.drawLine(0,0, 0,getHeight( ));                     g.setColor(rightColor);                     g.drawLine(1,0, 1,getHeight( ));                 }        public void addRightComponent(JComponent component, int dialogUnits){             layout.appendColumn(new ColumnSpec("2dlu"));             layout.appendColumn(new ColumnSpec(dialogUnits + "dlu"));            layoutCoordinateX++;            contentPanel.add(                 new SeparatorPanel(Color.GRAY, Color.WHITE),                 new CellConstraints(layoutCoordinateX, layoutCoordinateY)            );    layoutCoordinateX++;            contentPanel.add(                component,                new CellConstraints(layoutCoordinateX, layoutCoordinateY)            );}}      public class StatusBarSimulator {           public static void main(String[] args) {                try {                         UIManager.setLookAndFeel(new WindowsLookAndFeel( ));                } catch (Exception e){               }               JFrame frame = new JFrame( );               frame.setBounds(200,200, 600, 200);               frame.setTitle("Status bar simulator");               Container contentPane = frame.getContentPane( );                   contentPane.setLayout(new BorderLayout( ));               JStatusBar statusBar = new JStatusBar( );               JLabel leftLabel =                    new JLabel("Your application is about to self destruct.");               statusBar.setMainLeftComponent(leftLabel);                JLabel dateLabel = new JLabel("12/31/99");               dateLabel.setHorizontalAlignment(SwingConstants.CENTER);                statusBar.addRightComponent(dateLabel, 30);               JLabel timeLabel = new JLabel("11:59 PM");               timeLabel.setHorizontalAlignment(SwingConstants.CENTER);                statusBar.addRightComponent(timeLabel, 30);               contentPane.add(statusBar, BorderLayout.SOUTH);               frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                frame.show( );           }}//该片段来自于http://byrx.net