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Notepad.java
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Notepad.java
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import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyListener;
class CyyFrame implements KeyListener, ActionListener{
/**
*
*/
JFrame frame;
JMenuItem itemCopy, itemCut, itemPaste, itemNew, itemOpen, itemSave, itemSaveAs, itemSetting, itemPrint, itemQuit;
JTextArea textarea;
public void initFrame() {
frame = new JFrame("陈滢滢的简易记事本");
frame.setBounds(250,250,500,400);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(true);
JMenuBar menubar = new JMenuBar();
JMenu menuFile = new JMenu("文件(F)");
menuFile.setMnemonic(KeyEvent.VK_F);
JMenu menuEdit = new JMenu("编辑(E)");
menuEdit.setMnemonic(KeyEvent.VK_E);
JMenu menuFormat = new JMenu("格式(O)");
menuFormat.setMnemonic(KeyEvent.VK_O);
JMenu menuView = new JMenu("查看(V)");
menuView.setMnemonic(KeyEvent.VK_V);
JMenu menuHelp = new JMenu("帮助(H)");
menuHelp.setMnemonic(KeyEvent.VK_H);
itemNew = new JMenuItem("新建(N)");
itemNew.setMnemonic(KeyEvent.VK_N);
itemNew.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));
itemOpen = new JMenuItem("打开(O)");
itemOpen.setMnemonic(KeyEvent.VK_O);
itemOpen.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));
itemSave = new JMenuItem("保存(S)");
itemSave.setMnemonic(KeyEvent.VK_S);
itemSave.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));
itemSaveAs = new JMenuItem("另存为(A)");
itemSaveAs.setMnemonic(KeyEvent.VK_A);
itemSaveAs.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,InputEvent.CTRL_MASK));
itemSetting = new JMenuItem("页面设置(U)");
itemSetting.setMnemonic(KeyEvent.VK_U);
itemSetting.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U,InputEvent.CTRL_MASK));
itemPrint = new JMenuItem("打印(P)");
itemPrint.setMnemonic(KeyEvent.VK_P);
itemPrint.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P,InputEvent.CTRL_MASK));
itemQuit = new JMenuItem("退出(Q)");
itemQuit.setMnemonic(KeyEvent.VK_Q);
itemQuit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q,InputEvent.CTRL_MASK));
itemCopy = new JMenuItem("复制(C)");
itemCopy.setMnemonic(KeyEvent.VK_C);
itemCopy.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK));
itemCut = new JMenuItem("剪切(X)");
itemCut.setMnemonic(KeyEvent.VK_X);
itemCut.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));
itemPaste = new JMenuItem("粘贴(P)");
itemPaste.setMnemonic(KeyEvent.VK_P);
itemPaste.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P,InputEvent.CTRL_MASK));
frame.setJMenuBar(menubar);
menubar.add(menuFile);
menubar.add(menuEdit);
menubar.add(menuFormat);
menubar.add(menuView);
menubar.add(menuHelp);
menuFile.add(itemNew);
menuFile.add(itemOpen);
menuFile.add(itemSave);
menuFile.add(itemSaveAs);
menuFile.add(itemSetting);
menuFile.add(itemPrint);
menuFile.add(itemQuit);
menuEdit.add(itemCopy);
menuEdit.add(itemCut);
menuEdit.add(itemPaste);
textarea = new JTextArea();
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(1,1));
panel.add(new JScrollPane(textarea));
itemCopy.addActionListener(this);
itemCut.addActionListener(this);
itemPaste.addActionListener(this);
itemQuit.addActionListener(this);
textarea.addKeyListener(this);
frame.add(panel);
frame.validate();
}
public void keyPressed(KeyEvent e)
{
JTextArea textarea = (JTextArea)e.getSource();
if(e.getModifiers() == InputEvent.CTRL_MASK && e.getKeyCode() == KeyEvent.VK_X)
{
textarea.cut();
}
else if(e.getModifiers() == InputEvent.CTRL_MASK && e.getKeyCode() == KeyEvent.VK_C)
{
textarea.copy();
}
else if(e.getModifiers() == InputEvent.CTRL_MASK && e.getKeyCode() == KeyEvent.VK_V)
{
textarea.paste();
}
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == itemCopy)
{
textarea.copy();
}
else if(e.getSource() == itemCut)
{
textarea.cut();
}
else if(e.getSource() == itemPaste)
{
textarea.paste();
}
else if(e.getSource() == itemQuit)
{
frame.dispose();
}
}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
}
public class Notepad {
public static void main(String args[]) {
CyyFrame frame = new CyyFrame();
frame.initFrame();
}
}