java swing disable所以控件

 for (Component co : up.getContentPane().getComponents())
        {
            System.out.println(co.getClass().toString()); //得到co的类型
            if (co.getClass().toString().toLowerCase().contains("jpanel"))
            {

                for (Component control : ((JPanel)co).getComponents())
                {
                    System.out.println(control.getClass().toString()); //得到co的类型
                    if (!control.getClass().toString().toLowerCase().contains("jlabel"))
                    {
                        control.setEnabled(false);
                    }
                }
            }

        }

http://www.cnblogs.com/jirigala/archive/2013/05/09/3068134.html

http://blog.csdn.net/xdlxia/article/details/6504077

 http://zuoqiang.iteye.com/blog/1461287

 UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
            } catch (Exception e) {
            e.printStackTrace();
            }

swing Nimbus

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