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if(e.getActionCommand()=="進入注冊") {new CommFrame();?? }}class HandleClose extends WindowAdapter?? {?? public void windowClosing(WindowEvent e)?? {?? Frame f=(Frame)(e.getWindow());?? ConfirmDlg confirm=new ConfirmDlg(f);?? if(confirm.ans){f.dispose();System.exit(0);}?? }?? }

class HandleWin extends WindowAdapter{public void windowClose(WindowEvent e){Frame f=(Frame)(e.getWindow());ConfirmDlg confirm=new ConfirmDlg(f);if(confirm.ans){f.dispose();System.exit(0);}}}

class ConfirmDlg implements ActionListener{Dialog dlg;Label message=new Label("是否關(guān)閉窗口");Button btnY=new Button("是");Button btnN=new Button("否");Panel p1=new Panel();Panel p2=new Panel();boolean ans;ConfirmDlg(Frame own){btnY.addActionListener(this);btnN.addActionListener(this);dlg=new Dialog(own,"確認(rèn)對話框",true);p1.add(message);p2.add(btnY);p2.add(btnN);dlg.add(p1,BorderLayout.NORTH);dlg.add(p2,BorderLayout.SOUTH);dlg.setSize(200,100);dlg.setVisible(true);}?? public void actionPerformed(ActionEvent e)?? {?? dlg.dispose();?? if(e.getActionCommand()=="是")?? ans=true;?? else?? ans=false;?? }}

class HandleAct implements ActionListener{MyMenuFrame Frame;HandleAct(MyMenuFrame f){Frame=f;}public void actionPerformed(ActionEvent e){?? if(e.getActionCommand()=="退出"){?? Frame f=new Frame();?? ConfirmDlg confirm=new ConfirmDlg(f);?? if(confirm.ans){f.dispose();System.exit(0);}?? }elseFrame.textArea.setText(e.getActionCommand());

}}}class InputArea extends Panel implements ActionListener?? {?? File f = null;?? RandomAccessFile out;

TextField name,email,phone;?? Button button;?? InputArea(File f)?? {?? ??? setBackground(Color.cyan);?? this.f=f;?? name=new TextField(12);?? email=new TextField(12);?? phone=new TextField(12);?? button=new Button("錄入");?? button.addActionListener(this);?? add(new Label("輸入姓名："));?? add(name);?? add(new Label("輸入e_mail:"));?? add(email);?? add(new Label("輸入電話:"));?? add(phone);?? add(new Label("單擊錄入"));?? add(button);?? setVisible(true);?? ?? }

public void actionPerformed(ActionEvent e)?? {?? try?? {?? RandomAccessFile out = new RandomAccessFile(f,"rw");?? if(f.exists())?? {?? long lenth=f.length();?? out.seek(lenth);?? }?? out.writeUTF("姓名:"+name.getText());?? out.writeUTF("email:"+email.getText());?? out.writeUTF("電話:"+phone.getText());?? out.close();}catch(IOException ee){}}}

class CommFrame extends Frame implements ActionListener{File file=null;MenuBar bar;Menu fileMenu;MenuItem 顯示,錄入;TextArea show;InputArea inputMessage;CardLayout card=null;Panel pCenter;CommFrame(){file = new File("通訊錄.txt");錄入=new MenuItem("錄入");顯示=new MenuItem("顯示");bar=new MenuBar();fileMenu=new Menu("菜單選項");fileMenu.add(錄入);fileMenu.add(顯示);bar.add(fileMenu);setMenuBar(bar);錄入.addActionListener(this);顯示.addActionListener(this);inputMessage=new InputArea(file);show=new TextArea(12,20);card=new CardLayout();pCenter=new Panel();pCenter.setLayout(card); pCenter.add("錄入",inputMessage);pCenter.add("顯示",show);add(pCenter,BorderLayout.CENTER);addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){dispose();}} );setVisible(true);setBounds(100,50,420,380);validate();}public void actionPerformed(ActionEvent e){if(e.getSource()==錄入){card.show(pCenter,"錄入");}else if(e.getSource()==顯示){int number=1;show.setText(null);card.show(pCenter,"顯示");try{RandomAccessFile in = new RandomAccessFile(file,"r");String 姓名=null;while((姓名=in.readUTF())!=null){show.append("\n"+number+" "+姓名);show.append(in.readUTF());show.append(in.readUTF());show.append("\n--------------- ");number++;}in.close();}catch(Exception ee){}}}}

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