1.
muiwindow.addActionListener(new ActionListener(){//window模式
                      public void actionPerformed(ActionEvent e){
                            String plaf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
                            try{
                                    UIManager.setLookAndFeel(plaf);
                                    SwingUtilities.updateComponentTreeUI(MainForm.this);
                                    SwingUtilities.updateComponentTreeUI(ad);
                            }
                            catch(Exception e1){
                            }
                      }
});
2.
//MacOS 较喜欢
/*
UIManager.setLookAndFeel(new it.unitn.ing.swing.plaf.macos.MacOSLookAndFeel());
*/