监听器的四种监听方法.doc

自身类作为事件监听器:Java代码1. importjavax.swing.*;2. importjava.awt.*;3. importjava.awt.event.*;4. 5. /*6. *Java事件处理机制:自身类作为事件监听器7. *authorWinty()8. *version2008-12-39. */10. classThisClassEventextendsJFrameimplementsActionListener11. JButtonbtn;12. 13. publicThisClassEvent()14. super(Java事件监听机制);15. setLayout(newFlowLayout();16. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);17. 18. btn=newJButton(点击);19. btn.addActionListener(this);20. getContentPane().add(btn);21. 22. setBounds(200,200,300,160);23. setVisible(true);24. 25. 26. /*/27. publicvoidactionPerformed(ActionEvente)28. Containerc=getContentPane();29. c.setBackground(Color.red);30. 31. /*/32. 33. publicstaticvoidmain(Stringargs)34. newThisClassEvent();35. 36. 外部类作为事件监听器:Java代码1. importjava.awt.*;2. importjava.awt.event.*;3. importjavax.swing.*;4. 5. /*6. *Java事件处理机制:外部类作为事件监听器7. *authorWinty()8. *version2008-12-39. */10. classOuterClassEventextendsJFrame11. JButtonbtn;12. 13. publicOuterClassEvent()14. super(Java事件监听机制);15. setLayout(newFlowLayout();16. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);17. 18. btn=newJButton(点击);19. btn.addActionListener(newOuterClass(this);20. getContentPane().add(btn);21. 22. setBounds(200,200,300,160);23. setVisible(true);24. 25. 26. publicstaticvoidmain(Stringargs)27. newOuterClassEvent();28. 29. 30. 31. /*外部类*/32. classOuterClassimplementsActionListener33. OuterClassEventoce;34. 35. publicOuterClass(OuterClassEventoce)36. this.oce=oce;37. 38. 39. publicvoidactionPerformed(ActionEvente)40. Containerc=oce.getContentPane();41. c.setBackground(Color.red);42. 43. 匿名内部类作为事件监听器:Java代码1. importjava.awt.*;2. importjava.awt.event.*;3. importjavax.swing.*;4. 5. /*6. *Java事件处理机制:匿名内部类作为事件监听器7. *authorWinty()8. *version2008-12-39. */10. classAnonymousEventextendsJFrame11. JButtonbtn;12. 13. publicAnonymousEvent()14. super(Java事件监听机制);15. setLayout(newFlowLayout();16. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);17. 18. btn=newJButton(点击);19. /*匿名内部类*/20. btn.addActionListener(21. newActionListener()22. publicvoidactionPerformed(ActionEvente)23. Containerc=getContentPane();24. c.setBackground(Color.red);25. 26. 27. );28. /*/29. getContentPane().add(btn);30. 31. setBounds(200,200,300,160);32. setVisible(true);33. 34. 35. publicstaticvoidmain(Stringargs)36. newAnonymousEvent();37. 38. 内部类作为事件监听器:Java代码1. importjava.awt.*;2. importjava.awt.event.*;3. importjavax.swing.*;4. 5. /*6. *Java事件处理机制:内部类作为事件监听器7. *authorWinty()8. *version2008-12-39. */10. classInnerClassEventextendsJFrame11. JButtonbtn;12. 13. publicInnerClassEvent()14. super(Java事件监听机制);15. setLayout(newFlowLayout();16. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);17. 18. btn=newJButton(点击);19. btn.addActionListener(newInnerClass();20. getContentPane().add(btn);21. 22. setBounds(200,200,300,160);23. setVisible(true);24. 25. 26. /*内部类*/27. classInnerClassimplementsActionListener28. publicvoidactionPerformed(ActionEve