java四種方法事件監(jiān)聽(tīng)(匿名類(lèi),外部類(lèi),內(nèi)部類(lèi),自身)

1、JAVA四種方法實(shí)現(xiàn)事件監(jiān)聽(tīng)1.外部類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)：importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassListenerlextendsJFrameJButtonbutton1,button2;JPanelpane1,pane2,p1,p2;CardLayoutcard1=newCardLayout();/*CardLayout布局方式將容器中的每個(gè)組件看作一張卡片。一次只能看到一張卡片，容器則充當(dāng)卡片的堆棧*/Listener1()this.setTitle(外部類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)”)；this.setBo

2、unds(200,200,300,200);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);init();publicvoidinit()p1=newJPanel();p1.add(newJLabel(第一個(gè)面板”)；p1.setBackground(Color.red);p2=newJPanel();p2.add(newJLabel(第二個(gè)面板)；p2.setBackground(Color.green);pane1=newJPanel(card1);panel.add(紅色，p1);pane

3、l.add(綠色，p2);button1=newJButton(紅色)；button2=newJButton(綠色)；pane2=newJPanel();pane2.add(button1);pane2.add(button2);this.add(pane1,BorderLayout.CENTER);this.add(pane2,BorderLayout.SOUTH);button1.addActionListener(newColorEvent(card1,pane1);button2.addActionListener(newColorEvent(card1,pane1);publicst

4、aticvoidmain(Stringargs)/TODOAuto-generatedmethodstubnewListener1();classColorEventimplementsActionListenerCardLayoutcard1=newCardLayout();JPanelpane1=newJPanel();ColorEvent(CardLayoutcard1,JPanelpane1)this.card1=card1;this.pane1=pane1;OverridepublicvoidactionPerformed(ActionEvente)/TODOAuto-generat

5、edmethodstubif(e.getActionCommand().equals(紅色)/getActionCommand()返回與此動(dòng)作相關(guān)的命令字符串card1.show(pane1,紅色”)；elseif(e.getActionCommand().equals(綠色)card1.show(pane1,綠色”)；2.內(nèi)部類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)：importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassListener2extendsJFrameJButtonbutton1,button2;JPanelpane1

6、,pane2,p1,p2;CardLayoutcard1=newCardLayout();/*CardLayout布局方式將容器中的每個(gè)組件看作一張卡片。一次只能看到一張卡片，容器則充當(dāng)卡片的堆棧*/Listener2()this.setTitle(內(nèi)部類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng));this.setBounds(200,200,300,200);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);init();publicvoidinit()p1=newJPanel();p1.add(newJLabel(第一個(gè)

7、面板”)；p1.setBackground(Color.red);p2=newJPanel();p2.add(newJLabel(第二個(gè)面板)；p2.setBackground(Color.green);pane1=newJPanel(card1);panel.add(紅色，p1);panel.add(綠色，p2);button1=newJButton(紅色)；button2=newJButton(綠色)；pane2=newJPanel();pane2.add(button1);pane2.add(button2);this.add(pane1,BorderLayout.CENTER);thi

8、s.add(pane2,BorderLayout.SOUTH);button1.addActionListener(newColorEvent();button2.addActionListener(newColorEvent();classColorEventimplementsActionListenerOverridepublicvoidactionPerformed(ActionEvente)/TODOAuto-generatedmethodstubif(e.getSource()=button1)/返回發(fā)生事件的對(duì)象。card1.show(pane1,紅色);elseif(e.get

9、Source()=button2)card1.show(pane1,綠色);publicstaticvoidmain(Stringargs)/TODOAuto-generatedmethodstubnewListener2();3.自身類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)：importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassListener3extendsJFrameimplementsActionListenerJButtonbutton1,button2;JPanelpane1,pane2,p1,p2;CardLayout

10、card1=newCardLayout();/*CardLayout布局方式將容器中的每個(gè)組件看作一張卡片。一次只能看到一張卡片，容器則充當(dāng)卡片的堆棧*/Listener3()this.setTitle(自身類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)”)；this.setBounds(200,200,300,200);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);init();publicvoidinit()p1=newJPanel();p1.add(newJLabel(第一個(gè)面板”)；p1.setBackground(

11、Color.red);p2=newJPanel();p2.add(newJLabel(第二個(gè)面板)；p2.setBackground(Color.green);pane1=newJPanel(card1);panel.add(紅色，p1);panel.add(綠色，p2);button1=newJButton(紅色)；button2=newJButton(綠色)；pane2=newJPanel();pane2.add(button1);pane2.add(button2);this.add(pane1,BorderLayout.CENTER);this.add(pane2,BorderLayo

12、ut.SOUTH);button1.addActionListener(this);button2.addActionListener(this);OverridepublicvoidactionPerformed(ActionEvente)/TODOAuto-generatedmethodstubif(e.getActionCommand().equals(紅色)/getActionCommand()返回與此動(dòng)作相關(guān)的命令字符串card1.show(pane1,紅色);elseif(e.getActionCommand().equals(綠色)card1.show(pane1,綠色);pub

13、licstaticvoidmain(Stringargs)/TODOAuto-generatedmethodstubnewListener3();4.匿名類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng)：importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassListener4extendsJFrameJButtonbutton1,button2;JPanelpane1,pane2,p1,p2;CardLayoutcard1=newCardLayout();/*CardLayout布局方式將容器中的每個(gè)組件看作一張卡片。一次只能看到一張卡片，

14、容器則充當(dāng)卡片的堆棧*/Listener4()this.setTitle(匿名類(lèi)實(shí)現(xiàn)事件監(jiān)聽(tīng));this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setBounds(200,200,300,200);this.setVisible(true);init();publicvoidinit()p1=newJPanel();pl.add(newJLabel(第一個(gè)面板);p1.setBackground(Color.red);p2=newJPanel();p2.add(newJLabel(第二個(gè)面板)；p2.setBackground(

15、Color.green);pane1=newJPanel(card1);panel.add(紅色，p1);panel.add(綠色，p2);button1=newJButton(紅色)；button2=newJButton(綠色)；pane2=newJPanel();pane2.add(button1);pane2.add(button2);this.add(pane1,BorderLayout.CENTER);this.add(pane2,BorderLayout.SOUTH);button1.addActionListener(newActionListener()OverridepublicvoidactionPerformed(ActionEventarg0)/TODOAuto-generatedmethodstubcard1.