正在阅读：实战Java用户界面本地化实战Java用户界面本地化

                   cmdBlue.addActionListener(new ActionListener(){

                            public void actionPerformed(ActionEvent e){

                                     String s = e.getActionCommand();

                                     txt.setBackground(Color.blue);

                                     txt.setText(s);

                            }

                   });

                   cmdGreen.addActionListener(new ActionListener(){

                            public void actionPerformed(ActionEvent e){

                                     String s = e.getActionCommand();

                                     txt.setBackground(Color.green);

                                     txt.setText(s);

                            }

                   });

         }

         public void setCmdRed(String s){

                   cmdRed.setText(s);

         }

         public void setCmdBlue(String s){

                   cmdBlue.setText(s);

         }