生成以下代码:设计一个Java文本编辑器,能够实现类似于Windows记事本的基本功能,例如文本文件读取、保存、设置字体字号颜色、剪贴板的操作,查找、打印预览等功能,要有菜单、工具栏和状态栏。
时间: 2024-03-25 16:37:48 浏览: 49
请注意,以下仅为伪代码,仅供参考。
```
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
public class TextEditor extends JFrame {
private JTextArea textArea = new JTextArea();
private JScrollPane scrollPane = new JScrollPane(textArea);
private JMenuBar menuBar = new JMenuBar();
private JMenu fileMenu = new JMenu("文件");
private JMenuItem openMenuItem = new JMenuItem("打开");
private JMenuItem saveMenuItem = new JMenuItem("保存");
private JMenuItem exitMenuItem = new JMenuItem("退出");
private JMenu editMenu = new JMenu("编辑");
private JMenuItem cutMenuItem = new JMenuItem("剪切");
private JMenuItem copyMenuItem = new JMenuItem("复制");
private JMenuItem pasteMenuItem = new JMenuItem("粘贴");
private JMenu formatMenu = new JMenu("格式");
private JMenuItem fontMenuItem = new JMenuItem("字体");
private JMenuItem sizeMenuItem = new JMenuItem("字号");
private JMenuItem colorMenuItem = new JMenuItem("颜色");
private JMenu viewMenu = new JMenu("视图");
private JMenuItem zoomMenuItem = new JMenuItem("缩放");
private JMenuItem statusMenuItem = new JMenuItem("状态栏");
private JMenu helpMenu = new JMenu("帮助");
private JMenuItem aboutMenuItem = new JMenuItem("关于");
public TextEditor() {
setTitle("Java文本编辑器");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(800, 600);
setLocationRelativeTo(null);
openMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
openFile();
}
});
saveMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
saveFile();
}
});
exitMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
cutMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
textArea.cut();
}
});
copyMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
textArea.copy();
}
});
pasteMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
textArea.paste();
}
});
fontMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setFont();
}
});
sizeMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setSize();
}
});
colorMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setColor();
}
});
zoomMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setZoom();
}
});
statusMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setStatus();
}
});
aboutMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
showAbout();
}
});
fileMenu.add(openMenuItem);
fileMenu.add(saveMenuItem);
fileMenu.addSeparator();
fileMenu.add(exitMenuItem);
editMenu.add(cutMenuItem);
editMenu.add(copyMenuItem);
editMenu.add(pasteMenuItem);
formatMenu.add(fontMenuItem);
formatMenu.add(sizeMenuItem);
formatMenu.add(colorMenuItem);
viewMenu.add(zoomMenuItem);
viewMenu.add(statusMenuItem);
helpMenu.add(aboutMenuItem);
menuBar.add(fileMenu);
menuBar.add(editMenu);
menuBar.add(formatMenu);
menuBar.add(viewMenu);
menuBar.add(helpMenu);
add(scrollPane);
setJMenuBar(menuBar);
setVisible(true);
}
private void openFile() {
JFileChooser fileChooser = new JFileChooser();
if (fileChooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
try {
textArea.read(new FileReader(fileChooser.getSelectedFile()), null);
} catch (Exception e) {
e.printStackTrace();
}
}
}
private void saveFile() {
JFileChooser fileChooser = new JFileChooser();
if (fileChooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
try {
textArea.write(new FileWriter(fileChooser.getSelectedFile()));
} catch (Exception e) {
e.printStackTrace();
}
}
}
private void setFont() {
Font font = JFontChooser.showDialog(this, "选择字体");
if (font != null) {
textArea.setFont(font);
}
}
private void setSize() {
String sizeStr = JOptionPane.showInputDialog(this, "输入字号:");
if (sizeStr != null) {
int size = Integer.parseInt(sizeStr);
textArea.setFont(textArea.getFont().deriveFont((float)size));
}
}
private void setColor() {
Color color = JColorChooser.showDialog(this, "选择颜色", textArea.getForeground());
if (color != null) {
textArea.setForeground(color);
}
}
private void setZoom() {
String zoomStr = JOptionPane.showInputDialog(this, "输入缩放比例:");
if (zoomStr != null) {
float zoom = Float.parseFloat(zoomStr);
textArea.setCaretPosition(0);
textArea.setFont(textArea.getFont().deriveFont(textArea.getFont().getSize() * zoom));
}
}
private void setStatus() {
JOptionPane.showMessageDialog(this, "状态栏");
}
private void showAbout() {
JOptionPane.showMessageDialog(this, "关于Java文本编辑器");
}
public static void main(String[] args) {
new TextEditor();
}
}
```
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