（JAVA）文本模拟器

package Main; public class Main { public static void main(String[] args) { try { mainWindow frame = new mainWindow(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } } package Main; import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.JMenuBar; import javax.swing.JMenu; import javax.swing.JMenuItem; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JComboBox; import javax.swing.JFileChooser; import javax.swing.DefaultComboBoxModel; import java.awt.Font; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.awt.event.ActionEvent; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.UnsupportedEncodingException; import java.io.BufferedWriter; public class mainWindow extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel mainPane; public String selectedStyle = "微软雅黑"; public int selectedSize = 12; public int selectedType = Font.PLAIN; public String code = "GBK"; public Font thisFont = new Font(selectedStyle, selectedType, selectedSize); /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { mainWindow frame = new mainWindow(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public mainWindow() { super("文本模拟器"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); setLocationRelativeTo(getOwner()); mainPane = new JPanel(); mainPane.setBorder(new EmptyBorder(5, 5, 5, 5)); mainPane.setLayout(new BorderLayout(0, 0)); setContentPane(mainPane); JScrollPane textAreaPanel = new JScrollPane(); mainPane.add(textAreaPanel, BorderLayout.CENTER); JTextArea textArea = new JTextArea(); textArea.setFont(new Font(selectedStyle, selectedType, selectedSize)); textAreaPanel.setViewportView(textArea); JComboBox<Object> codingTable = new JComboBox<Object>(); codingTable.setModel( new DefaultComboBoxModel<Object>(new String[] { "ASCII", "ISO-8859-1", "UTF-8", "GBK", "Unicode" })); codingTable.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { try { String[] str = textArea.getText().split("\n"); textArea.setText(""); for (int i = 0; i < str.length; i++) { String temp = new String(str[i].getBytes(code), codingTable.getItemAt(codingTable.getSelectedIndex()).toString()); textArea.append(temp + "\n"); } } catch (UnsupportedEncodingException e1) { // TODO 自动生成的 catch 块 e1.printStackTrace(); } code = codingTable.getItemAt(codingTable.getSelectedIndex()).toString(); } }); codingTable.setFont(new Font("微软雅黑", Font.PLAIN, 12)); mainPane.add(codingTable, BorderLayout.SOUTH); JMenuBar menuBar = new JMenuBar(); mainPane.add(menuBar, BorderLayout.NORTH); JMenu Edit = new JMenu("Edit"); Edit.setFont(new Font("微软雅黑", Font.PLAIN, 12)); menuBar.add(Edit); JMenuItem editFont = new JMenuItem("Font(F)"); editFont.setMnemonic('F'); editFont.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { setFont frame = new setFont(thisFont); frame.addWindowListener(new WindowListener() { @Override public void windowActivated(WindowEvent arg0) { } public void windowClosed(WindowEvent arg0) { thisFont = frame.getSettedFont(); textArea.setFont(thisFont); } public void windowClosing(WindowEvent arg0) { } public void windowDeactivated(WindowEvent arg0) { } public void windowDeiconified(WindowEvent arg0) { } public void windowIconified(WindowEvent arg0) { } public void windowOpened(WindowEvent arg0) { } }); } }); editFont.setFont(new Font("微软雅黑", Font.PLAIN, 12)); Edit.add(editFont); JMenu File = new JMenu("File"); File.setFont(new Font("微软雅黑", Font.PLAIN, 12)); menuBar.add(File); JMenuItem fileOpen = new JMenuItem("Open(O)"); fileOpen.setMnemonic('O'); fileOpen.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { textArea.setText(""); JFileChooser jfc = new JFileChooser(); jfc.showOpenDialog(fileOpen); if (jfc.getSelectedFile() != null) { File file = jfc.getSelectedFile(); try { BufferedReader br = new BufferedReader(new FileReader(file)); String str = br.readLine(); while (str != null) { textArea.append(str + "\n"); str = br.readLine(); } br.close(); } catch (IOException e) { // TODO 自动生成的 catch 块 e.printStackTrace(); } } } }); fileOpen.setFont(new Font("微软雅黑", Font.PLAIN, 12)); File.add(fileOpen); JMenuItem fileSave = new JMenuItem("Save(S)"); fileSave.setMnemonic('S'); fileSave.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { JFileChooser jfc = new JFileChooser(); jfc.showSaveDialog(fileSave); if (jfc.getSelectedFile() != null) { File file = jfc.getSelectedFile(); try { OutputStreamWriter write = new OutputStreamWriter(new FileOutputStream(file)); BufferedWriter bw = new BufferedWriter(write); String[] text = textArea.getText().split("\n"); for (int i = 0; i < text.length; i++) { bw.write(text[i] + "\r\n");// \r表示回到光标所在行的最左边(return)，\n表示向下一行移动，但并不左右移动 bw.flush(); } bw.close(); } catch (IOException e) { // TODO 自动生成的 catch 块 e.printStackTrace(); } } } }); fileSave.setFont(new Font("微软雅黑", Font.PLAIN, 12)); File.add(fileSave); } public mainWindow getThisJFrame() { return this; } public Font getThisJFrameFont() { return new Font(this.selectedStyle, this.selectedSize, this.selectedType); } } package Main; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.JScrollPane; import javax.swing.SwingConstants; import javax.swing.JLabel; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JList; import javax.swing.AbstractListModel; import javax.swing.JButton; import javax.swing.JTextField; import javax.swing.event.ListSelectionListener; import javax.swing.event.ListSelectionEvent; public class setFont extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel mainPane; public static String selectedStyle = null; public static int selectedSize = 6; public static int selectedType = Font.PLAIN; public static Font initialFont = new Font("微软雅黑", Font.PLAIN, 12); private JTextField textField; private JTextField textField_1; private JTextField textField_2; /** * Launch the application. */ /* * public static void main(String[] args) { EventQueue.invokeLater(new * Runnable() { public void run() { try { setFont frame = new setFont(); * frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } * }); } */ /** * Create the frame. */ public setFont(Font font) { super("设置字体"); selectedSize = font.getSize(); selectedType = font.getStyle(); selectedStyle = font.getFontName(); initialFont = font; setResizable(false); setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); setBounds(100, 100, 316, 373); mainPane = new JPanel(); mainPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(mainPane); mainPane.setLayout(null); setVisible(true); setLocationRelativeTo(getOwner()); JPanel panel = new JPanel(); panel.setBounds(0, 0, 310, 345); mainPane.add(panel); panel.setLayout(null); JLabel test = new JLabel("这是样例 aAbBcC"); test.setFont(initialFont); test.setBounds(10, 259, 290, 76); test.setHorizontalAlignment(SwingConstants.CENTER); panel.add(test); JScrollPane fontStyle = new JScrollPane(); fontStyle.setBounds(10, 33, 90, 150); panel.add(fontStyle); JList<Object> styleList = new JList<Object>(); styleList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent arg0) { selectedStyle = styleList.getSelectedValue().toString(); textField.setText(selectedStyle); test.setFont(new Font(selectedStyle, selectedType, selectedSize)); } }); styleList.setFont(new Font("微软雅黑", Font.PLAIN, 12)); styleList.setModel(new AbstractListModel<Object>() { /** * */ private static final long serialVersionUID = 1L; String[] values = new String[] { "微软雅黑", "宋体", "楷体", "仿宋", "方正姚体", "隶书", "黑体", "幼圆", "新宋体" }; public int getSize() { return values.length; } public Object getElementAt(int index) { return values[index]; } }); fontStyle.setViewportView(styleList); JScrollPane fontSize = new JScrollPane(); fontSize.setBounds(110, 33, 90, 150); panel.add(fontSize); JList<Object> sizeList = new JList<Object>(); sizeList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent e) { selectedSize = Integer.valueOf(sizeList.getSelectedValue().toString()); textField_1.setText(String.valueOf(selectedSize)); test.setFont(new Font(selectedStyle, selectedType, selectedSize)); } }); sizeList.setFont(new Font("微软雅黑", Font.PLAIN, 12)); sizeList.setModel(new AbstractListModel<Object>() { /** * */ private static final long serialVersionUID = 1L; String[] values = new String[] { "6", "12", "18", "24", "30", "36", "42", "48", "54", "60", "66", "72", "84", "90", "96" }; public int getSize() { return values.length; } public Object getElementAt(int index) { return values[index]; } }); fontSize.setViewportView(sizeList); JScrollPane fontType = new JScrollPane(); fontType.setBounds(210, 33, 90, 150); panel.add(fontType); JList<Object> typeList = new JList<Object>(); typeList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent e) { if (typeList.getSelectedIndex() == 0) { selectedType = Font.PLAIN; textField_2.setText("PLAIN"); } else if (typeList.getSelectedIndex() == 1) { selectedType = Font.BOLD; textField_2.setText("BOLD"); } else if (typeList.getSelectedIndex() == 2) { selectedType = Font.ITALIC; textField_2.setText("Italic"); } test.setFont(new Font(selectedStyle, selectedType, selectedSize)); } }); typeList.setFont(new Font("微软雅黑", Font.PLAIN, 12)); typeList.setModel(new AbstractListModel<Object>() { /** * */ private static final long serialVersionUID = 1L; String[] values = new String[] { "PLAIN", "BOLD", "Italic" }; public int getSize() { return values.length; } public Object getElementAt(int index) { return values[index]; } }); fontType.setViewportView(typeList); textField = new JTextField(); textField.setEditable(false); textField.setBounds(10, 193, 90, 21); textField.setText(selectedStyle); panel.add(textField); textField.setColumns(10); textField_1 = new JTextField(); textField_1.setEditable(false); textField_1.setColumns(10); textField_1.setBounds(110, 193, 90, 21); panel.add(textField_1); textField_1.setText(String.valueOf(selectedSize)); textField_2 = new JTextField(); textField_2.setEditable(false); textField_2.setColumns(10); textField_2.setBounds(210, 193, 90, 21); panel.add(textField_2); if (selectedType == 0) textField_2.setText("PLAIN"); else if (selectedType == 1) textField_2.setText("BOLD"); else if (selectedType == 2) textField_2.setText("Italic"); JLabel styleLabel = new JLabel("字体样式"); styleLabel.setFont(new Font("微软雅黑", Font.PLAIN, 13)); styleLabel.setBounds(30, 10, 54, 15); panel.add(styleLabel); JLabel sizeLabel = new JLabel("字体大小"); sizeLabel.setFont(new Font("微软雅黑", Font.PLAIN, 13)); sizeLabel.setBounds(128, 10, 54, 15); panel.add(sizeLabel); JLabel typeLabel = new JLabel("字体风格"); typeLabel.setFont(new Font("微软雅黑", Font.PLAIN, 13)); typeLabel.setBounds(228, 10, 54, 15); panel.add(typeLabel); JButton sure = new JButton("确定"); sure.setFont(new Font("微软雅黑", Font.PLAIN, 12)); sure.setBounds(10, 226, 90, 23); panel.add(sure); sure.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { if (styleList.getSelectedIndex() != -1) selectedStyle = styleList.getSelectedValue().toString(); if (sizeList.getSelectedIndex() != -1) selectedSize = Integer.valueOf(sizeList.getSelectedValue().toString()); if (typeList.getSelectedIndex() == 0) selectedType = Font.PLAIN; else if (typeList.getSelectedIndex() == 1) selectedType = Font.BOLD; else if (typeList.getSelectedIndex() == 2) selectedType = Font.ITALIC; initialFont = new Font(selectedStyle, selectedType, selectedSize); getThisJFrame().dispose(); } }); JButton reset = new JButton("重置"); reset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { initialFont = new Font("微软雅黑", Font.PLAIN, 12); getThisJFrame().dispose(); } }); reset.setFont(new Font("微软雅黑", Font.PLAIN, 12)); reset.setBounds(110, 226, 90, 23); panel.add(reset); JButton cancel = new JButton("取消"); cancel.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { getThisJFrame().dispose(); } }); cancel.setFont(new Font("微软雅黑", Font.PLAIN, 12)); cancel.setBounds(210, 226, 90, 23); panel.add(cancel); } public setFont getThisJFrame() { return this; } public Font getSettedFont() { return initialFont; } }