Swing 自动锁定 锁屏功能
.在网上搜集的一些关于Swing锁屏的Java代码.
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https://code.google.com/p/sprbus3/source/browse/?repo=sprbus-hdwangyuan
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.记录备用.
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import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.FlowLayout; import java.awt.Toolkit; import javax.swing.*; import javax.swing.border.EmptyBorder; import java.awt.Dimension; import java.awt.Color; import net.miginfocom.swing.MigLayout; import java.awt.Font; import javax.swing.border.EtchedBorder; import com.gohighsoft.db.DBSet; import com.pos.LoginDialog; import com.pos.dao.WorkersDao; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; public class LockFrame extends JDialog { BorderLayout borderLayout1 = new BorderLayout(); JButton jButton2 = new JButton(); boolean isOK = true; JLabel jlableInfo = null; private boolean canRunCount = true; private JPasswordField passwordField; private JLabel label_3; public static void main(String[] args){ LockFrame lock = new LockFrame(null, "系统锁屏", true); lock.setVisible(true); } public LockFrame(JFrame jframe, String str, boolean bool) { super(jframe, str, true); setSize(300, 130); //这个方法尤为重要，只要屏蔽了右上角的关闭按钮 setUndecorated(true); //设置总是将dialog显示在屏幕的最前面 setAlwaysOnTop(true); setLocation( (Toolkit.getDefaultToolkit().getScreenSize().width - getWidth()) / 2, (Toolkit.getDefaultToolkit().getScreenSize().height - getHeight()) / 2); setPreferredSize(new Dimension(200, 130)); getContentPane().setLayout(new BorderLayout(0, 0)); JPanel rootPanel = new JPanel(); rootPanel.setBorder(new EtchedBorder(EtchedBorder.LOWERED, new Color(0, 255, 255), null)); getContentPane().add(rootPanel, BorderLayout.CENTER); rootPanel.setLayout(new BorderLayout(0, 0)); JPanel panel = new JPanel(); panel.setPreferredSize(new Dimension(10, 60)); rootPanel.add(panel, BorderLayout.NORTH); panel.setLayout(new MigLayout("", "[][][][]", "[][]")); JLabel label = new JLabel( "\u7CFB\u7EDF\u8FD0\u884C\u6B63\u5E38\uFF0C\u4F46\u5DF2\u9501\u5B9A\u3002"); label.setFont(new Font("宋体", Font.PLAIN, 14)); panel.add(label, "cell 1 0"); JLabel label_1 = new JLabel( " 请您输入登录的密码解锁! "); label_1.setFont(new Font("宋体", Font.PLAIN, 14)); panel.add(label_1, "cell 1 1"); JPanel panel_1 = new JPanel(); panel_1.setPreferredSize(new Dimension(10, 5)); rootPanel.add(panel_1, BorderLayout.CENTER); panel_1.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5)); JSeparator separator = new JSeparator(); separator.setForeground(new Color(0, 255, 255)); separator.setPreferredSize(new Dimension(280, 2)); panel_1.add(separator); JPanel panel_2 = new JPanel(); panel_2.setPreferredSize(new Dimension(10, 60)); rootPanel.add(panel_2, BorderLayout.SOUTH); panel_2.setLayout(null); JLabel label_2 = new JLabel("\u5BC6\u7801\uFF1A"); label_2.setBounds(26, 10, 36, 15); panel_2.add(label_2); passwordField = new JPasswordField(); passwordField.setBounds(66, 7, 210, 21); passwordField.addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent event) { System.out.println(event.getKeyCode()); if (event.getKeyCode() == 10) { String pw = passwordField.getText(); //获取登录的用户密码 if (pw.equals("123456")) { dispose(); } else { label_3.setText("对不起，请您输入正确的密码！"); passwordField.setText(""); return; } } } }); passwordField.setPreferredSize(new Dimension(210, 21)); panel_2.add(passwordField); label_3 = new JLabel(""); label_3.setBackground(Color.ORANGE); label_3.setBounds(66, 35, 210, 15); panel_2.add(label_3); } }..
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public class Demo6 { public static void main(String[] args) { JFrame frame = new JFrame("Test"); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); Listener listener = new Listener(); Toolkit.getDefaultToolkit().addAWTEventListener(listener, AWTEvent.MOUSE_EVENT_MASK); Toolkit.getDefaultToolkit().addAWTEventListener(listener, AWTEvent.FOCUS_EVENT_MASK); Toolkit.getDefaultToolkit().addAWTEventListener(listener, AWTEvent.KEY_EVENT_MASK); frame.setSize(new Dimension(500, 500)); frame.setVisible(true); } static class Listener implements AWTEventListener { public void eventDispatched(AWTEvent event) { System.out.println("Handle Event: " + event.getClass()); } } }..
https://code.google.com/p/sprbus3/source/browse/?repo=sprbus-hdwangyuan
package com.sprbus.swing.hdwangyuan.panel.lockscreen; import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JPasswordField; /** * @author jnzhangyq * 锁屏功能模块 */ public class LockScreenPanel extends JPanel { private JFrame mainFrame; private JPasswordField inputField; private JLabel inputLabel; private JButton subButton; private JLabel msgLabel; private JButton setHookBtn; public LockScreenPanel(JFrame mainFrame) { this.mainFrame = mainFrame; inputField = new JPasswordField(20); inputLabel = new JLabel("请输入密码"); subButton = new JButton("解除锁定 提交 ( 测试阶段 密码为 1 ) "); setHookBtn = new JButton("锁住屏幕"); msgLabel = new JLabel(); init(); } private void init() { this.setLayout(new FlowLayout()); this.add(setHookBtn); this.add(inputField); this.add(inputLabel); this.add(subButton); this.add(msgLabel); addEventHandle(); // 启动后，立即将程序锁定 setKeyboardHook(); } /** * 添加面板中的各个组件的事件处理 */ private void addEventHandle() { setHookBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { inputField.setText(""); setKeyboardHook(); } }); subButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { String pwd = inputField.getText(); if ("1".equals(pwd)) { unsetKeyboardHook(); msgLabel.setText(""); inputField.setText(""); LockScreenPanel.this.setScreenToNormal(); } else { msgLabel.setText("对不起，密码错误"); msgLabel.setForeground(Color.red); inputField.setText(""); } } }); } private void setKeyboardHook() { setHookBtn.setEnabled(false); subButton.setEnabled(true); LockScreenUtil.setKeyboardHook(); this.setScreenToLock(); } private void unsetKeyboardHook() { setHookBtn.setEnabled(true); subButton.setEnabled(false); LockScreenUtil.unsetKeyboardHook(); this.setScreenToNormal(); } private void setScreenToLock() { // 想重新设这大小和 属性，必须先调用 dispose 方法 mainFrame.dispose(); // 设置没有关闭按钮 mainFrame.setUndecorated(true); // 设置总在最前端 mainFrame.setAlwaysOnTop(true); // 重新显示 mainFrame.setVisible(true); } private void setScreenToNormal() { // 想重新设这大小和 属性，必须先调用 dispose 方法 mainFrame.dispose(); // 设置没有关闭按钮失效 mainFrame.setUndecorated(false); // 设置总在最前端失效 mainFrame.setAlwaysOnTop(false); // 重新显示 mainFrame.setVisible(true); } private void showByFrame() { mainFrame.setSize( (int) Toolkit.getDefaultToolkit().getScreenSize().getWidth(), (int) Toolkit.getDefaultToolkit().getScreenSize() .getHeight()); mainFrame.setLayout(new BorderLayout()); mainFrame.add(this,BorderLayout.CENTER); mainFrame.setLocation(0, 0); mainFrame.setVisible(true); mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public static void main(String[] args) { JFrame frame = new JFrame(); new LockScreenPanel(frame).showByFrame(); } }..
package show; import java.awt.*; import java.awt.image.ColorModel; import java.awt.event.*; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import javax.swing.*; import javax.swing.border.Border; import com.sun.java.swing.plaf.windows.resources.windows; public class ShowMian extends JFrame { JFrame lockjf;// 锁屏界面 boolean isexit = false; JPanel lockjp = new JPanel();; JLabel jl_username; JLabel jl_password; JButton jb_ensure;// 确定按钮 JButton jb_result;// 撤消按钮 JTextField jtf_username;// 用户名 JPasswordField jtf_password;// 用户密码 // 用来得到屏幕的分辨率 Toolkit toolkit; // 用来接受屏幕返回的分辨率 int xscreen;// 屏幕的x坐标 int yscreen;// 屏幕的y坐标 // 定义线程让窗体每秒获得一次焦点 Thread thread; public ShowMian() { // TODO Auto-generated constructor stu // 初始化界面 lockjp = new driver(); lockjf = this; jl_username = new JLabel("用户名："); jl_password = new JLabel("密 码："); jtf_username = new JTextField(); jtf_password = new JPasswordField(); jb_ensure = new JButton("确定"); jb_result = new JButton("取消"); // 得到当前的分辨率 toolkit = this.getToolkit(); final Dimension dimension = toolkit.getScreenSize(); xscreen = dimension.width; yscreen = dimension.height; // System.out.println(xscreen + ":" + yscreen); // 设置主窗体的大小 // 把各个组件注册到jframe add(lockjp); lockjp.setLayout(null); lockjp.add(jl_username); lockjp.add(jl_password); lockjp.add(jtf_username); lockjp.add(jtf_password); lockjp.add(jb_ensure); lockjp.add(jb_result); // 设置各个组件的位置 this.setBounds(0, 0, 1280, 800); // lable的设置 jl_username.setBounds(xscreen - 270, yscreen - 150, 60, 20); jl_password.setBounds(jl_username.getX(), jl_username.getY() + 60, 60, 20); // textare的设置 jtf_username.setBounds(jl_username.getX() + 60, jl_username.getY(), 140, 20); jtf_username.setBorder(null); jtf_password.setBounds(jl_password.getX() + 60, jl_password.getY(), 140, 20); jtf_password.setBorder(null); // button的设置 jb_ensure.setBounds(jl_username.getX(), jl_username.getY() + 110, 60, 30); jb_result.setBounds(jb_ensure.getX() + 140, jb_ensure.getY(), 60, 30); // 设置按钮事件 jb_ensure.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // System.out.println(jtf_username.getText().equals("wayking")+":"+jtf_password.getText().equals("2925138")); // TODO Auto-generated method stub System.out.println(jtf_password.getPassword()); if (jtf_username.getText().equalsIgnoreCase("wayking") && jtf_password.getText().equalsIgnoreCase("2925138")) { // System.out.println("11111111111111111111111111"); System.exit(1); } else { jtf_username.setText(""); jtf_password.setText(""); } } }); jb_result.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub jtf_username.setText(""); jtf_password.setText(""); } }); // 设置焦点 thread = new Thread(new Runnable() { public void run() { while (true) { toFront(); try { thread.sleep(100); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }); // 去掉工具栏 setUndecorated(true); // 添加窗口监听 this.addWindowListener(new WindowListener() { public void windowActivated(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowClosed(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowClosing(WindowEvent arg0) { // DO_NOTHING_ON_CLOSE（在 WindowConstants 中定义）：不执行任何操作；要求程序在已注册的 // WindowListener 对象的 windowClosing 方法中处理该操作。 // HIDE_ON_CLOSE（在 WindowConstants 中定义）：调用任意已注册的 WindowListener // 对象后自动隐藏该窗体。 // DISPOSE_ON_CLOSE（在 WindowConstants 中定义）：调用任意已注册 // WindowListener 的对象后自动隐藏并释放该窗体。 // EXIT_ON_CLOSE（在 JFrame 中定义）：使用 System exit // 方法退出应用程序。仅在应用程序中使用。 // System.out.println("2222222222222"); setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);// 不执行任何操作；要求程序在已注册的 } public void windowDeactivated(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowDeiconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowIconified(WindowEvent arg0) { // TODO Auto-generated method stub } public void windowOpened(WindowEvent arg0) { // TODO Auto-generated method stub } }); try { //建立FileWriter对象，并实例化fw FileWriter fw = new FileWriter("mymusic.txt"); //将字符串写入文件 fw.write("mymusic"); fw.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } //添加音乐 //读取用户配置的音乐信息 try { FileReader reader=new FileReader("mymusic.txt");//实例化读入对象 BufferedReader readers=new BufferedReader(reader); String musicsrc= readers.readLine();//得到音乐路径 Runtime.getRuntime().exec("cmd /c e://"+musicsrc+".mp3");//调用cmd运行命令 readers.close();//关闭对象 reader.close(); } catch (IOException e) { // TODO Auto-generated catch block System.out.println("没有找到指定音乐"); } // 开始获取焦点 thread.start(); setVisible(true); } // class driwer extends JPanel { // protected void paintComponents(Graphics g) { // // } // } public static void main(String[] args) { new ShowMian(); } // 画出面板上的图片 // 如果要画图，必须用一个类继承panel 然后重写其paintcomponent方法 class driver extends JPanel { @Override protected void paintComponent(Graphics g) { g.setColor(null); // g.drawImage(new ImageIcon("2.jpg").getImage(), 0, 0, this // .getWidth(), this.getHeight(), this); g.drawImage(new ImageIcon("./3.jpg").getImage(), 0, 0, this .getWidth(), this.getHeight(), this); g.drawRect(960, 600, 320, 200); g.drawRect(960, 600, 318, 198); // super.paintComponent(arg0); } } } 
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