《Java課程實習》日誌（週四）&&課程設計：《猜猜看》遊戲
阿新 • • 發佈：2018-12-25
遊戲沒有按預期成功完成，後面自己再去嘗試，希望能夠全部做出來。時間匆忙，暫時寫這麼多。
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.Image; 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.FilenameFilter; import java.io.IOException; import java.util.Random; public class Guess01 extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField tfDir; private JTextField tfClass; File[] fileArray; // 資料夾下所有檔案 int NUM_IMG = 0; // 檔案總數目 int index = 0; String strPath = ""; //資料夾路徑 String strFileName = ""; //檔名稱 JLabel lblImg1 = null; JLabel lblImg2 = null; JLabel lblImg3 = null; JLabel lbGuessName =null; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { Guess01 frame = new Guess01(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public Guess01() { setTitle("猜猜看遊戲"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 645, 409); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); // 選擇目錄 按鈕的處理程式 final JButton btnDir = new JButton("目錄"); btnDir.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if(e.getSource()==btnDir ){ JFileChooser jfc=new JFileChooser(); //jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES ); jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); jfc.showDialog(new JLabel(), "選擇"); File file=jfc.getSelectedFile(); if(file.isDirectory()){ System.out.println("資料夾:"+file.getAbsolutePath()); }else if(file.isFile()){ System.out.println("檔案:"+file.getAbsolutePath()); } System.out.println(jfc.getSelectedFile().getName()); // 把檔案路徑顯示在文字框中 tfDir.setText(file.getAbsolutePath()); //jlbImg.setIcon(new ImageIcon(file.getAbsolutePath())); // 獲取檔案路徑 與檔名 strPath = file.getAbsolutePath(); strFileName = jfc.getSelectedFile().getName(); if(file!=null && file.isDirectory()){ // 獲取資料夾下所有的檔案 fileArray = file.listFiles(); NUM_IMG = fileArray.length; if(e.getSource()==btnDir){ File f = new File(strPath); String[] names = f.list(new FilenameFilter(){ public boolean accept(File f , String name){ return name.endsWith(".jpg"); } }); Random r = new Random(); String strTmp = strPath+"/"+names[r.nextInt(108)]; String strTmp1 =strPath+"/"+names[r.nextInt(108)]; String strTmp2 = strPath+"/"+ names [r.nextInt(108)]; lblImg1.setIcon(new ImageIcon(strTmp)); lblImg2.setIcon(new ImageIcon(strTmp1)); lblImg3.setIcon(new ImageIcon(strTmp2)); } } } } }); btnDir.setBounds(26, 26, 93, 23); contentPane.add(btnDir); // 文字框，顯示目錄 tfDir = new JTextField(); tfDir.setEditable(false); tfDir.setBounds(125, 27, 363, 21); contentPane.add(tfDir); tfDir.setColumns(10); // 選擇班級 按鈕的處理程式 final JButton btnClass = new JButton("班級"); btnClass.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JFileChooser jfc=new JFileChooser(); //jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES ); //jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); jfc.setFileSelectionMode(JFileChooser.FILES_ONLY); File file=jfc.getSelectedFile(); jfc.showDialog(new JLabel(), "選擇"); if(file.isDirectory()){ System.out.println("資料夾:"+file.getAbsolutePath()); }else if(file.isFile()){ System.out.println("檔案:"+file.getAbsolutePath()); } System.out.println(jfc.getSelectedFile().getName()); // 把檔案路徑顯示在文字框中 tfClass.setText(file.getAbsolutePath()); // 獲取檔案路徑 與檔名 strPath = file.getAbsolutePath(); strFileName = jfc.getSelectedFile().getName(); //獲取資料夾下所有的檔案 fileArray = file.listFiles(); NUM_IMG = fileArray.length; } }); btnClass.setBounds(26, 59, 93, 23); contentPane.add(btnClass); // 文字框，顯示班級檔案 tfClass = new JTextField(); tfClass.setEditable(false); tfClass.setBounds(125, 60, 363, 21); contentPane.add(tfClass); tfClass.setColumns(10); // 標籤，顯示帶猜測學生姓名 final JLabel lbGuessName = new JLabel("學生姓名"); lbGuessName.setFocusable(true); lbGuessName.setBounds(259, 91, 102, 23); contentPane.add(lbGuessName); // 標籤，顯示第一個學生相片 lblImg1 = new JLabel("學生一"); lblImg1.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { } }); lblImg1.setForeground(Color.BLACK); lblImg1.setBounds(26, 151, 183, 178); contentPane.add(lblImg1); // 標籤，顯示第二個學生相片 lblImg2 = new JLabel("學生二"); lblImg2.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { } }); lblImg2.setForeground(Color.BLACK); lblImg2.setBounds(241, 155, 183, 172); contentPane.add(lblImg2); // 標籤，顯示第三個學生相片 lblImg3 = new JLabel("學生三"); lblImg3.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent arg2) { } }); lblImg3.setForeground(Color.BLACK); lblImg3.setBounds(430, 155, 185, 172); contentPane.add(lblImg3); // 再猜一次 按鈕，點選則更新相應的三張圖片 與 帶猜測學生姓名 final JButton btnGuessAgain = new JButton("再猜"); btnGuessAgain.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if(e.getSource()==btnGuessAgain){ //當前時間作為種子，避免兩個Random物件產生同樣的數字序列 //Random random = new Random(System.currentTimeMillis()); Random random = new Random(); ImageIcon icon;//定義icon變數 for(int i=0;i<3;i++) { index = random.nextInt(NUM_IMG); String strTmp = fileArray[index].toString(); try { icon = new ImageIcon(ImageIO.read(new File(strTmp))); Image image = icon.getImage(); // 從圖表中獲取到圖片 Image smallImage = image.getScaledInstance(100,100,Image.SCALE_FAST);// 縮放影象 icon = new ImageIcon(smallImage);//把Image檔案轉化為ImageIcon //借鑑一下同學的 if(index==NUM_IMG) index = 0; switch(i) { case 0: lblImg1.setIcon(icon); break; case 1: lblImg2.setIcon(icon); break; case 2: lblImg3.setIcon(icon); break; } } catch (IOException e1) { e1.printStackTrace(); } } } } }); btnGuessAgain.setBounds(223, 337, 93, 23); contentPane.add(btnGuessAgain); } } //隨機數方式顯示圖片。。。還有文字隨機顯示，最後再考慮訊息框
