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楼主 |
发表于 2023-12-14 16:48:14
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@FishC 你可以帮我解决代码中的乱码问题吗
- import javax.swing.*;
- import javax.swing.colorchooser.DefaultColorSelectionModel;
- import java.awt.*;
- import java.awt.event.*;
- import java.io.*;
- public class Txt extends JFrame implements ActionListener{
- private StringBuilder ss=new StringBuilder();
- private JMenuBar jm1=new JMenuBar(); //�����˵�������Ӧ�˵���
- private JMenu jme1=new JMenu("�ļ�(F)");
- private JMenuItem jm3=new JMenuItem("�½�(N) ");
- private JMenuItem jm4=new JMenuItem("�´���(W) ");
- private JMenuItem jm5=new JMenuItem("��(O)... ");
- private JMenuItem jm6=new JMenuItem("����(S) ");
- private JMenuItem jm7=new JMenuItem("���Ϊ(A) ");
- private JMenuItem jm8=new JMenuItem("�˳�(X)");
- private JMenu jme2=new JMenu("��ʽ(O)");
- private JMenuItem jm9=new JMenuItem("�Զ�����(W)");
- private JMenu jme3=new JMenu("��ɫ(C)");
- private JMenuItem jm10=new JMenuItem("������ɫ(C)");
- private JMenu jme4=new JMenu("����(H)");
- private JMenuItem jm11=new JMenuItem("�鿴����(H)");
- private DefaultColorSelectionModel modle=new DefaultColorSelectionModel(); //Ĭ����ɫѡ��ģ��
- private JColorChooser jcc=new JColorChooser(modle);
- private JFileChooser jfc=new JFileChooser(new File(""));
- private JTextArea jt=new JTextArea(10,30);
- private JScrollPane jsp=new JScrollPane(jt);
- private Font font=new Font("����",0,22);
- Txt()
- {
- super("���±�"); //���ÿ�ܱ���
- add(jm1,BorderLayout.NORTH);
- add(jsp,BorderLayout.CENTER);
- jt.setLayout(null);
- jt.setFont(font);
- jm1.add(jme1);jm1.add(jme2);jm1.add(jme3);jm1.add(jme4); //����Ӧ�˵�ѡ������Ӧ�˵���
- jme1.add(jm3);jme1.add(jm4);jme1.add(jm5);jme1.add(jm6);
- jme1.add(jm7);jme1.addSeparator();
- jme1.addSeparator();jme1.add(jm8);
- jme2.add(jm9);
- jme3.add(jm10);
- jme4.add(jm11);
- jme1.setMnemonic('F'); //mnemonic n/���Ƿ� adj.����� �������Ƿ�����alt+�ַ� �򿪶�Ӧ�˵���
- jme2.setMnemonic('O');
- jme3.setMnemonic('C');
- jme4.setMnemonic('H');
- jm3.setMnemonic('N');
- jm4.setMnemonic('W');
- jm5.setMnemonic('O');
- jm6.setMnemonic('S');
- jm7.setMnemonic('A');
- jm8.setMnemonic('X');
- jm9.setMnemonic('W');
- jm10.setMnemonic('C');
- //���ÿ�ݼ�������Ӧ��ݼ�������Ӧ����
- jm3.setAccelerator((KeyStroke.getKeyStroke(KeyEvent.VK_W,ActionEvent.CTRL_MASK)));
- jm4.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,ActionEvent.CTRL_MASK+ActionEvent.SHIFT_MASK));
- jm5.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,ActionEvent.CTRL_MASK));
- jm6.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,ActionEvent.CTRL_MASK));
- jm7.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,ActionEvent.CTRL_MASK+ActionEvent.SHIFT_MASK));
- jm8.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,ActionEvent.CTRL_MASK));
- jm10.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,ActionEvent.CTRL_MASK+ActionEvent.SHIFT_MASK));
- jm3.addActionListener(new ActionListener() { //���������ڲ������ʽ��д�¼�����
- @Override
- public void actionPerformed(ActionEvent e) {
- jt.setText("");
- setTitle("�ޱ���-���±�");
- }
- });
- jm4.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- Txt t1=new Txt();
- t1.setTitle("�ޱ���-���±�");
- }
- });
- jm8.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- System.exit(0);
- }
- });
- jm11.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- JOptionPane.showMessageDialog(Txt.this,"��ͬ�ɳ�����","����",JOptionPane.PLAIN_MESSAGE);
- }
- });
- jm5.addActionListener(this); //�Բ˵�����Ӽ���
- jm7.addActionListener(this);
- jm8.addActionListener(this);
- jm6.addActionListener(this);
- jm9.addActionListener(this);
- jm10.addActionListener(this);
- setBounds(700,250,700,700);
- setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- setVisible(true);
- }
- public static void main(String[] args) { //������
- Txt t=new Txt();
- }
- public void actionPerformed(ActionEvent e)
- {
- if(e.getActionCommand().equals("��(O)... ")) //���ļ�
- {
- int open=jfc.showOpenDialog(this);
- if(open!=JFileChooser.APPROVE_OPTION)
- {}
- else
- {
- try{
- File f=jfc.getSelectedFile();
- ss.append(f.getAbsolutePath());
- FileReader fr=new FileReader(f);
- BufferedReader br=new BufferedReader(fr);
- StringBuilder info=new StringBuilder();
- String str;
- while((str=br.readLine())!=null) {info.append(str+"\r\n");}
- jt.setText(String.valueOf(info));
- br.close();
- }catch (IOException ioe){}
- }
- }
- else if(e.getActionCommand().equals("���Ϊ(A) ")) //�洢�ļ�
- {
- int save=jfc.showSaveDialog(this);
- if(save==JFileChooser.APPROVE_OPTION)
- {
- try{
- File f2=jfc.getSelectedFile();
- FileWriter fw=new FileWriter(f2); //�ڶ��ִ�ʩ
- String str=jt.getText();
- fw.write(str);
- fw.close();
- }catch (IOException io){System.out.println(io.getMessage());}
- }
- }
- else if(e.getActionCommand().equals("����(S) ")) //�����ļ�
- {
- if(this.getTitle()=="�ޱ���-���±�") {
- int save=jfc.showSaveDialog(this);
- if(save==JFileChooser.APPROVE_OPTION)
- try {
- File f2 = jfc.getSelectedFile();
- FileWriter fw = new FileWriter(f2); //�ڶ��ִ�ʩ
- String str = jt.getText();
- fw.write(str);
- fw.close();
- }catch (IOException i){}
- }
- else {
- try {
- String str = jt.getText();
- FileWriter ra=new FileWriter(String.valueOf(ss));
- ra.write(str);
- ra.close();
- }catch (IOException i){System.out.println(i.getMessage());}
- } }
- else if(e.getActionCommand().equals("�Զ�����(W)")) //�����ı��Ƿ��Զ�����
- {
- boolean b=!(jt.getLineWrap());
- jt.setLineWrap(b);
- }
- else if(e.getActionCommand().equals("������ɫ(C)")) //�ı�������ɫ
- {
- Color color=jcc.getColor();
- Color c=JColorChooser.showDialog(this,"��ɫѡ��",color);
- jt.setForeground(c);
- } }}
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