《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("\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 button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()) {
                    // 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("\u9009\u62E9\u73ED\u7EA7");
        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("\u518D\u731C\u4E00\u6B21");  

        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。