字符串加密(三)

2014-11-24 09:40:05 · 作者: · 浏览: 3
EventQueue.invokeLater(new Runnable() { public void run() { try { SecretUI window = new SecretUI(); window.jframe.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public SecretUI() { initialize(); } private void initialize() { jframe = new JFrame(); jframe.setTitle("\u5B57\u7B26\u4E32\u52A0\u5BC6 By:\u6BDB\u5174\u5B87"); jframe.setBounds(100, 100, 424, 199); jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jframe.getContentPane().setLayout(null); int w = jframe.getToolkit().getScreenSize().width;//宽度 int h = jframe.getToolkit().getScreenSize().height;//高度 jframe.setLocation(w/2-212,h/2-99); jframe.setResizable(false); JLabel label = new JLabel("\u9700\u52A0\u5BC6\u5B57\u7B26\u4E32:"); label.setBounds(16, 14, 82, 15); jframe.getContentPane().add(label); JLabel labelMD5 = new JLabel("MD5\u52A0\u5BC6:"); labelMD5.setBounds(30, 50, 54, 15); jframe.getContentPane().add(labelMD5); JLabel labelSHA = new JLabel("SHA\u52A0\u5BC6:"); labelSHA.setBounds(30, 86, 54, 15); jframe.getContentPane().add(labelSHA); JLabel labelDES = new JLabel("DES\u52A0\u5BC6:"); labelDES.setBounds(30, 122, 54, 15); jframe.getContentPane().add(labelDES); textfield = new JTextField(); textfield.setBounds(102, 11, 304, 21); jframe.getContentPane().add(textfield); textfield.setColumns(10); Document dt = textfield.getDocument(); dt.addDocumentListener(this); textfieldMD5 = new JTextField(); textfieldMD5.setColumns(10); textfieldMD5.setBounds(102, 47, 304, 21); jframe.getContentPane().add(textfieldMD5); textfieldSHA = new JTextField(); textfieldSHA.setColumns(10); textfieldSHA.setBounds(102, 83, 304, 21); jframe.getContentPane().add(textfieldSHA); textfieldDES = new JTextField(); textfieldDES.setColumns(10); textfieldDES.setBounds(102, 119, 304, 21); jframe.getContentPane().add(textfieldDES); } /** * 实现DocumentListener接口changedUpdate方法 * 该方法可以跟踪当文本框中已存在的内容改变时,获取相应的值 */ public void changedUpdate(DocumentEvent e) { Secret sr = new Secret(); textfieldMD5.setText(sr.encryptToMD5(textfield.getText())); textfieldSHA.setText(sr.encryptToSHA(textfield.getText())); SecretKey key = sr.createSecretKey("DES"); textfieldDES.setText(sr.encryptToDES(key, textfield.getText())); } /** * 实现DocumentListener接口中insertUpdate方法 * 该方法可以跟踪文本框中输入的内容 */ public void insertUpdate(DocumentEvent e) { Secret sr = new Secret(); textfieldMD5.setText(sr.encryptToMD5(textfield.getText())); textfieldSHA.setText(sr.encryptToSHA(textfield.getText())); SecretKey key = sr.createSecretKey("DES"); textfieldDES.setText(sr.encryptToDES(key, textfield.getText())); } /** * 实现DocumentListener接口removeUpdate方法 * 该方法可以跟踪文本框中移除的内容,例如:在文本框中点击Backspace */ public void removeUpdate(DocumentEvent e) { Secret sr = new Secret(); textfieldMD5.setText(sr.encryptToMD5(textfield.getText())); textfieldSHA.setText(sr.encryptToSHA(textfield.getText())); SecretKey key = sr.createSecretKey("DES"); textfieldDES.setText(sr.encryptToDES(key, textfield.getText())); } }