JTabbedPanel的标签

JTabbedPanel的美化标签  2010-06-27 16:59:52|  分类： Swing JTab |  标签： |字号大中小 订阅 .

那么现在来说下用法吧，首先附上网上找来的一段代码(其实在csdn里面也有这个代码的资源，不过没说怎么用)，
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Area;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import javax.swing.JComponent;
import javax.swing.JTabbedPane;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicTabbedPaneUI;
public class SinaTabbedPaneUI extends BasicTabbedPaneUI {
 private static final Insets NO_INSETS = new Insets(0, 0, 0, 0);
 private ColorSet selectedColorSet;
 private ColorSet defaultColorSet;
 private ColorSet hoverColorSet;

 private boolean contentTopBorderDrawn = true;
 private Color lineColor = new Color(158, 158, 158);
 private Color dividerColor = new Color(200, 200, 200);
 private Insets contentInsets = new Insets(1, 1, 1, 1);
 private int lastRollOverTab = -1;
 public static ComponentUI createUI(JComponent c) {
  return new SinaTabbedPaneUI();
 }
 protected LayoutManager createLayoutManager() {
  if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT) {
   return super.createLayoutManager();
  } else { /* WRAP_TAB_LAYOUT */
   return new TabbedPaneLayout();
  }
 }
 // protected void installComponents() {
 // super.installComponents();
 // int counts = tabPane.getComponents().length;
 // for (int i = 0; i < counts; i++) {
 // if (tabPane.getComponentAt(i) instanceof JPanel) {
 // ((JPanel) tabPane.getComponentAt(i)).setLayout(new FlowLayout(
 // 10, 0, FlowLayout.LEFT));
 // ((JPanel) tabPane.getComponentAt(i)).updateUI();
 // }
 // }
 //
 // }
 public SinaTabbedPaneUI() {
  selectedColorSet = new ColorSet();
  selectedColorSet.topGradColor1 =  new Color(255,0,0);//new Color(233, 237, 248);//选中的最上层