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。