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if(e.getActionCommand()=="进入注册") {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("是否关闭窗口");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,"确认对话框",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("录入"); button.addActionListener(this); add(new Label("输入姓名：")); add(name); add(new Label("输入e_mail:")); add(email); add(new Label("输入电话:")); add(phone); add(new Label("单击录入")); 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("电话:"+phone.getText()); out.close();}catch(IOException ee){}}}
class CommFrame extends Frame implements ActionListener{File file=null;MenuBar bar;Menu fileMenu;MenuItem 显示,录入;TextArea show;InputArea inputMessage;CardLayout card=null;Panel pCenter;CommFrame(){file = new File("通讯录.txt");录入=new MenuItem("录入");显示=new MenuItem("显示");bar=new MenuBar();fileMenu=new Menu("菜单选项");fileMenu.add(录入);fileMenu.add(显示);bar.add(fileMenu);setMenuBar(bar);录入.addActionListener(this);显示.addActionListener(this);inputMessage=new InputArea(file);show=new TextArea(12,20);card=new CardLayout();pCenter=new Panel();pCenter.setLayout(card); pCenter.add("录入",inputMessage);pCenter.add("显示",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()==录入){card.show(pCenter,"录入");}else if(e.getSource()==显示){int number=1;show.setText(null);card.show(pCenter,"显示");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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