Java 猜猜看程序。
2015-07-03 09:52
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import java.awt.EventQueue; import javax.imageio.ImageIO; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.AbstractButton; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.JTextField; import javax.swing.JLabel; import java.awt.Color; import java.awt.Graphics; import java.awt.Image; import java.awt.SystemColor; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.io.File; import java.io.FileFilter; import java.io.IOException; import java.util.Random; public class Caicaikan extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField tfDir; private JTextField tfClass; File[] fileArray; // 文件夹下所有文件 int NUM_IMG = 0; // 文件总数目 int index = 0; // 当前文件的序号 int i = 0; JLabel jlbImg1 = null; JLabel jlbImg2 = null; JLabel jlbImg3 = null; private Graphics g; /** * Launch the application. */ class myFileFilter implements FileFilter { @Override public boolean accept(File pathname) { String filename = pathname.getName().toLowerCase(); if (filename.contains(".jpg")) { return false; } else { return true; } } } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { Caicaikan frame = new Caicaikan(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public Caicaikan() { setTitle("\u731C\u731C\u770B\u6E38\u620FV0.1"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 645, 500); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); // 选择目录 按钮的处理程序 JButton btnDir = new JButton("\u9009\u62E9\u76EE\u5F55"); btnDir.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { JFileChooser jfc = new JFileChooser(); jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); jfc.showDialog(new JLabel(), "选择"); File file = jfc.getSelectedFile(); tfDir.setText(file.getAbsolutePath()); if (file != null && file.isDirectory()) { // 参考: java中File.listFiles(FileFilter) FileFilter的使用 // http://zhouzaibao.iteye.com/blog/347557 ; // 获取文件夹下所有的文件 fileArray = file.listFiles(); NUM_IMG = fileArray.length; } } }); btnDir.setBounds(26, 26, 93, 23); contentPane.add(btnDir); // 文本框,显示目录 tfDir = new JTextField(); tfDir.setEditable(false); tfDir.setBounds(125, 27, 450, 21); contentPane.add(tfDir); tfDir.setColumns(10); //设置提醒文字 JLabel j1 = new JLabel("猜猜我是谁,请点我相片"); j1.setBounds(5, 100, 200, 33); this.add(j1); // 标签,显示带猜测学生姓名 final JLabel lbGuessName = new JLabel("学生姓名"); lbGuessName.setBounds(259, 91, 140, 23); contentPane.add(lbGuessName); // 标签,显示第一个学生相片 final JLabel lblImg1 = new JLabel("NO.1"); lblImg1.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent arg0) { if (arg0.getSource() == lblImg1) { if ((lblImg1.getText().equals(lbGuessName.getText()))) { JOptionPane.showMessageDialog(null, "YES!你猜对了!", "提示", JOptionPane.PLAIN_MESSAGE); } else { JOptionPane.showMessageDialog(null, "NO!你猜错了!", "错误", JOptionPane.ERROR_MESSAGE); } } } }); lblImg1.setBounds(26, 155, 150, 200); contentPane.add(lblImg1); // 标签,显示第二个学生相片 final JLabel lblImg2 = new JLabel("NO.2"); lblImg2.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent arg1) { if (arg1.getSource() == lblImg2) { if ((lblImg2.getText().equals(lbGuessName.getText()))) { JOptionPane.showMessageDialog(null, "YES!你猜对了!", "提示", JOptionPane.PLAIN_MESSAGE); } else { JOptionPane.showMessageDialog(null, "NO!你猜错了!", "错误", JOptionPane.ERROR_MESSAGE); } } } }); lblImg2.setForeground(Color.BLACK); lblImg2.setBackground(SystemColor.inactiveCaption); lblImg2.setBounds(241, 155, 150, 200); contentPane.add(lblImg2); // 标签,显示第三个学生相片 final JLabel lblImg3 = new JLabel("NO.3"); lblImg3.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent arg2) { if (arg2.getSource() == lblImg3) { if ((lblImg3.getText().equals(lbGuessName.getText()))) { JOptionPane.showMessageDialog(null, "YES!你猜对了!", "提示", JOptionPane.PLAIN_MESSAGE); } else { JOptionPane.showMessageDialog(null, "NO!你猜错了!", "错误", JOptionPane.ERROR_MESSAGE); } } } }); lblImg3.setBounds(434, 155, 150, 200); contentPane.add(lblImg3); // 再猜一次 按钮,点击则更新相应的三张图片 与 带猜测学生姓名 final JButton btnGuessAgain = new JButton("\u518D\u731C\u4E00\u6B21"); btnGuessAgain.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if (e.getSource() == btnGuessAgain) { // 如果是next按钮 Random random = new Random(System.currentTimeMillis()); // 循环三次 ImageIcon icon; // int k[] = null; for (int i = 0; i < 3; i++) { index = random.nextInt(NUM_IMG); String strTmp = fileArray[index].toString(); String filename1 = fileArray[index].getName(); try { icon = new ImageIcon(ImageIO.read(new File(strTmp))); // 从图表中获取到图片 Image image = icon.getImage(); // 缩放图像 Image smallImage = image.getScaledInstance(150, 200, Image.SCALE_FAST); // 把Image文件转化为ImageIcon icon = new ImageIcon(smallImage); if (index == NUM_IMG) index = 0; switch (i) { case 0: System.out.println(fileArray[index].getName()); // k[0]=index; lblImg1.setIcon(icon); lblImg1.setText(filename1); break; case 1: System.out.println(fileArray[index].getName()); lblImg2.setIcon(icon); lblImg2.setText(filename1); // k[1]=index; break; case 2: System.out.println(fileArray[index].getName()); lblImg3.setIcon(icon); lblImg3.setText(filename1); // k[2]=index; break; } } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } } @SuppressWarnings("unused") Random random1 = new Random(index); // i = index; System.out.println(fileArray[index].getName()); String filename = fileArray[index].getName(); lbGuessName.setText(filename); } }); btnGuessAgain.setBounds(223, 400, 93, 23); contentPane.add(btnGuessAgain); } }
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