二进制、十进制、十六进制相互转换的Java程序

/* Converter */ import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.event.DocumentListener; import javax.swing.event.DocumentEvent; /** * 该程序对十进制、十六进制和二进制的整数进行相互转换。 * * @author Chen */ public class Converter { /** * 整数转换器类的一个对象，用它来实现整数进制间的转换。 */ private NumberConverter converter; /** * 一个输入框，用于输入和显示十进制整数 */ private JTextField decEditField; /** * 一个输入框，用于输入和显示十六进制整数 */ private JTextField hexEditField; /** * 一个输入框，用于输入和显示二进制整数 */ private JTextField binEditField; /** * 十进制输入框的监听器，用于监听该输入框值的改变； * 若发生改变，则将改变后的数据进行转换，并在其余的两个文本框中显示。 */ private DecTextChanged decListener; /** * 十六进制输入框的监听器，用于监听该输入框值的改变； * 若发生改变，则将改变后的数据进行转换，并在其余的两个文本框中显示。 */ private HexTextChanged hexListener; /** * 二进制输入框的监听器，用于监听该输入框值的改变； * 若发生改变，则将改变后的数据进行转换，并在其余的两个文本框中显示。 */ private BinaryTextChanged binListener; public static void main(String[] args) { new Converter(); } /** * 构造一个图形的整数转换器。 */ public Converter() { converter = new NumberConverter(); JFrame frame = new JFrame(); Container mainLayout = frame.getContentPane(); GridBagLayout gridBag = new GridBagLayout(); GridBagConstraints cons = new GridBagConstraints(); mainLayout.setLayout(gridBag); Label tmpLable; //(0,0) cons.insets = new Insets(2,2,2,2); cons.fill = GridBagConstraints.NONE; cons.gridx = 0; cons.gridy = 0; cons.weightx = 0.0; cons.weighty = 0.0; cons.anchor = GridBagConstraints.EAST; tmpLable = new Label("Decimal: "); gridBag.setConstraints(tmpLable, cons); mainLayout.add(tmpLable); //(1,0) cons.fill = GridBagConstraints.HORIZONTAL; cons.gridx=1; cons.gridwidth=2; cons.weightx = 1.0; decEditField = new JTextField(15); decListener = new DecTextChanged(); decEditField.getDocument().addDocumentListener(decListener); gridBag.setConstraints(decEditField, cons); mainLayout.add(decEditField); //(0,1) cons.fill = GridBagConstraints.NONE; cons.gridx=0; cons.gridy=1; cons.weightx = 0.0; cons.gridwidth=1; cons.anchor = GridBagConstraints.EAST; tmpLable = new Label("hexadecimal: "); gridBag.setConstraints(tmpLable, cons); mainLayout.add(tmpLable); //(1,1) cons.fill = GridBagConstraints.HORIZONTAL; cons.gridx=1; cons.weightx = 1.0; cons.gridwidth=2; hexEditField = new JTextField(15); hexListener = new HexTextChanged(); hexEditField.getDocument().addDocumentListener(hexListener); gridBag.setConstraints(hexEditField, cons); mainLayout.add(hexEditField); //(0,2) cons.fill = GridBagConstraints.NONE; cons.gridx=0; cons.gridy=2; cons.weightx = 0.0; cons.gridwidth=1; cons.anchor = GridBagConstraints.EAST; tmpLable = new Label("Binary: "); gridBag.setConstraints(tmpLable, cons); mainLayout.add(tmpLable); //(1,2) cons.fill = GridBagConstraints.HORIZONTAL; cons.gridx=1; cons.weightx = 1.0; cons.gridwidth=2; binEditField = new JTextField(15); binListener = new BinaryTextChanged(); binEditField.getDocument().addDocumentListener(binListener); gridBag.setConstraints(binEditField, cons); mainLayout.add(binEditField); cons.fill = GridBagConstraints.NONE; cons.insets = new Insets(1, 1, 10, 10); cons.gridx=2; cons.gridy=3; cons.gridwidth=1; cons.gridheight=2; cons.weighty=1.0; cons.anchor = GridBagConstraints.SOUTHEAST; cons.ipadx = 1; JButton quitButton = new JButton("Quit"); gridBag.setConstraints(quitButton, cons); mainLayout.add(quitButton); quitButton.addActionListener(new QuitAction()); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we) { System.exit(0); } }); frame.pack(); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension frameSize = new Dimension(); frame.getSize(frameSize); frame.setBounds(screenSize.width/3,screenSize.height/3, frameSize.width,frameSize.height); frame.setVisible(true); } /** * Quit 按钮的监听器，当按下该按钮时，关闭窗口。 */ class QuitAction implements ActionListener { public void actionPerformed(ActionEvent e) { System.exit(0); } } /** * {@code decEditField} 的监听器类。在该程序中，当正在监听时，用的对象为 * {@code decListener} */ class DecTextChanged implements DocumentListener { /** * 对文本框进行更新。即根据十进制文本框内容的改变，更改十六进制和二进制文本框的显示。 */ private void update() { binEditField.getDocument().removeDocumentListener(binListener); hexEditField.getDocument().removeDocumentListener(hexListener); converter.setDecimal(decEditField.getText()); converter.decToOthers(); hexEditField.setText(converter.getHexacimal()); binEditField.setText(converter.getBinary()); binEditField.getDocument().addDocumentListener(binListener); hexEditField.getDocument().addDocumentListener(hexListener); } /** * 调用函数update()进行更新操作 */ public void changedUpdate(DocumentEvent e) { update(); } /** * 调用函数update()进行更新操作 */ public void insertUpdate(DocumentEvent e) { update(); } /** * 调用函数update()进行更新操作 */ public void removeUpdate(DocumentEvent e) { update(); } } /** * {@code binEditField} 的监听器类。在该程序中，当正在监听时，用的对象为 * {@code binListener} */ class BinaryTextChanged implements DocumentListener { /** * 对文本框进行更新。即根据二进制文本框内容的改变，更改十进制和十六进制文本框的显示。 */ private void update() { decEditField.getDocument().removeDocumentListener(decListener); hexEditField.getDocument().removeDocumentListener(hexListener); converter.setBinary(binEditField.getText()); converter.binToOthers(); hexEditField.setText(converter.getHexacimal()); decEditField.setText(converter.getDecimal()); decEditField.getDocument().addDocumentListener(decListener); hexEditField.getDocument().addDocumentListener(hexListener); } /** * 调用函数update()进行更新操作 */ public void changedUpdate(DocumentEvent e) { update(); } /** * 调用函数update()进行更新操作 */ public void insertUpdate(DocumentEvent e) { update(); } /** * 调用函数update()进行更新操作 */ public void removeUpdate(DocumentEvent e) { update(); } } /** * {@code hexEditField} 的监听器类。在该程序中，当正在监听时，用的对象为 * {@code hexListener} */ class HexTextChanged implements DocumentListener { /** * 对文本框进行更新。即根据十六进制文本框内容的改变，更改十进制和二进制文本框的显示。 */ private void update() { binEditField.getDocument().removeDocumentListener(binListener); decEditField.getDocument().removeDocumentListener(decListener); converter.setHeximal(hexEditField.getText()); converter.hexToOthers(); binEditField.setText(converter.getBinary()); decEditField.setText(converter.getDecimal())