《JAVA课程设计》实训第四天——《猜猜看》游戏

第四天，本来想进一步去改进《猜猜看》游戏的。可是非常多问题都不理解。也不熟悉怎么去弄到连接数据库。统计猜对次数，所以并没有进行再多的改动。

基本上就是这种执行结果了

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 weiwei extends JFrame {  
    /**  
*  
*/  
    private static final long serialVersionUID = 1L;  
  
    private JPanel contentPane;  
    private JTextField tfDir;  
    private JTextField tfClass;  
    File[] fileArray; // 目录下全部文件  
    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 {  
                    weiwei frame = new weiwei();  
                    frame.setVisible(true);  
                } catch (Exception e) {  
                    e.printStackTrace();  
                }  
            }  
        });  
    }  
  
    /** 
     * Create the frame. 
     */  
    public weiwei() {  
        setTitle("u731Cu731Cu770Bu6E38u620FV0.1");  
        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 button的处理程序  
        JButton btnDir = new JButton("u9009u62E9u76EEu5F55");  
        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()) {  
                    // 參考： java中File.listFiles(FileFilter) FileFilter的使用  
                    // http://zhouzaibao.iteye.com/blog/347557 ;  
  
                    // 获取目录下全部的文件  
                    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); 
        
        // 选择班级 button的处理程序
        JButton btnClass = new JButton("u9009u62E9u73EDu7EA7");
        btnClass.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	 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()) {  
                     // 參考： java中File.listFiles(FileFilter) FileFilter的使用  
                     // http://zhouzaibao.iteye.com/blog/347557 ;  
   
                     // 获取目录下全部的文件  
                     fileArray = file.listFiles();  
                     NUM_IMG = fileArray.length; 
                 }
            }
        });
        btnClass.setBounds(26, 59, 93, 23);
        contentPane.add(btnClass);
        
        //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，显示带推測学生姓名  
        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 button，点击则更新对应的三张图片 与 带推測学生姓名  
        final JButton btnGuessAgain = new JButton("u518Du731Cu4E00u6B21");  
  
        btnGuessAgain.addActionListener(new ActionListener() {  
            public void actionPerformed(ActionEvent e) {  
                if (e.getSource() == btnGuessAgain) { // 假设是nextbutton  
  
                    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);  
    }  
}  

课程实训的过程是艰辛的，本来就不是非常熟悉JAVA代码编程，仅仅能靠网络上的知识还有老师发的提示代码进行改动还有修饰。完毕《猜猜看》游戏。

基本上已经完毕。尽管执行了起来。可是仅仅是非常主要的。没有统计次数。没有弄到连接数据库或者保存文件。