Java程序设计第十七周之猜猜看

import java.awt.EventQueue;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JTextField;
import javax.swing.JLabel;

import java.awt.Color;
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.IOException;
import java.util.Random;

import javax.swing.JOptionPane;
public class Guess01 extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;

private JPanel contentPane;
private JTextField tfDir;
private JTextField tfClass;
File[] fileArray;
int NUM_IMG = 0;
int index   = 0;
String strPath = "";
String strFileName = "";
JLabel jlbImg = null;
private int idImg = 1;
JLabel jlbImg1 = null;
JLabel jlbImg2 = null;
JLabel jlbImg3 = null;
/**
* Launch the application.
*/

public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Guess01 frame = new Guess01(null);
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
* @param JButton
*/
public Guess01(JButton JButton) {
setTitle("\u731C\u731C\u770B\u6E38\u620FV0.1");
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);

// 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(), "open");
File file=jfc.getSelectedFile();
tfDir.setText(file.getAbsolutePath());
if(file!=null && file.isDirectory()){
// 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, 363, 21);
contentPane.add(tfDir);
tfDir.setColumns(10);

// 选择班级 按钮的处理程序
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(), "open");
File file=jfc.getSelectedFile();
tfClass.setText(file.getAbsolutePath());

}
});
btnClass.setBounds(26, 59, 93, 23);
contentPane.add(btnClass);

// 文本框，显示班级文件
tfClass = new JTextField();
tfClass.setEditable(false);
tfClass.setBounds(125, 60, 363, 21);
contentPane.add(tfClass);
tfClass.setColumns(10);
// 选择班级 按钮的处理程序
JButton  = new JButton("班级");
btnClass.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
JFileChooser i=new JFileChooser();
i.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//
i.showDialog(new JLabel(), "选择班级");
File file=i.getSelectedFile();
tfClass.setText(file.getAbsolutePath());
fileArray = file.listFiles();
NUM_IMG = fileArray.length;

}
});
btnClass.setBounds(26, 59, 93, 23);
contentPane.add(btnClass);
// 标签，显示带猜测学生姓名
JLabel lbGuessName = new JLabel("\u59D3\u540D");
lbGuessName.setBounds(259, 91, 102, 23);
contentPane.add(lbGuessName);

// 标签，显示第一个学生相片
final JLabel lblImg1 = new JLabel("\u56FE\u72471");
lblImg1.setBackground(Color.RED);
this.add(lblImg1);

lblImg1.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg0) {
if(arg0.getSource()==lblImg1){
if((lblImg1.getText().equals(lbGuessName.getText()))){
JOptionPane.showMessageDialog(null,"恭喜你猜对了",strFileName, JOptionPane.PLAIN_MESSAGE);

}
else {
JOptionPane.showMessageDialog(null,"你猜错了！",strFileName, JOptionPane.ERROR_MESSAGE);
}

}
}
});
lblImg1.setBounds(26, 21, 183, 190);
contentPane.add(lblImg1);
jlbImg1 = new JLabel();
jlbImg1.setBackground(Color.RED);
jlbImg1.setBounds(26, 151, 181,201);
this.add(jlbImg1);
// 标签，显示第二个学生相片
final JLabel lblImg2 = new JLabel("\u56FE\u72472");
lblImg2.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg1) {
if(arg1.getSource()==lblImg2){
if(( lblImg2.getText().equals(lbGuessName.getText()))){
JOptionPane.showMessageDialog(null,"恭喜你猜对了",strFileName, JOptionPane.PLAIN_MESSAGE);

}
else {
JOptionPane.showMessageDialog(null,"你猜错了！",strFileName, JOptionPane.WARNING_MESSAGE);

}
}
}
});
lblImg2.setForeground(Color.BLACK);
lblImg2.setBackground(SystemColor.inactiveCaption);
lblImg2.setBounds(241, 21, 100, 190);
contentPane.add(lblImg2);
jlbImg2 = new JLabel();
jlbImg2.setBackground(Color.RED);
jlbImg2.setBounds(240, 155, 183, 201);
this.add(jlbImg2);
// 标签，显示第三个学生相片
final JLabel lblImg3 = new JLabel("\u56FE\u72473");
lblImg3.addMouseListener(new MouseAdapter() {

@Override
public void mouseClicked(MouseEvent arg2) {
if(arg2.getSource()==lblImg3){
if(( lblImg3.getText().equals(lbGuessName.getText()))){
JOptionPane.showMessageDialog(null,"恭喜你猜对了",strFileName, JOptionPane.PLAIN_MESSAGE);

}
else {
JOptionPane.showMessageDialog(null,"你猜错了！",strFileName, JOptionPane.WARNING_MESSAGE);

}
}

}
});
lblImg3.setBounds(434,21, 100, 190);
contentPane.add(lblImg3);
jlbImg3 = new JLabel();
jlbImg3.setBackground(Color.RED);
jlbImg3.setBounds(434, 155, 185, 201);
this.add(jlbImg3);
// 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
JButton btnGuessAgain = new JButton("\u518D\u731C\u4E00\u6B21");
btnGuessAgain.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ImageIcon icon = null;

Random random = new Random(System.currentTimeMillis());
index = random.nextInt(NUM_IMG);
String strTmp = fileArray[index].toString();
index++;
if(index==NUM_IMG)
index =0;
try {
icon = new ImageIcon(ImageIO.read(new File(strTmp)));
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
Image image = icon.getImage();
Image smallImage = image.getScaledInstance(100,100,Image.SCALE_FAST);
icon = new ImageIcon(smallImage);
lblImg1.setIcon(icon);

index = random.nextInt(NUM_IMG);
String strTmp1 = fileArray[index].toString();
index++;
if(index==NUM_IMG)
index =0;

index = random.nextInt(NUM_IMG);
String strTmp2 = fileArray[index].toString();
index++;
if(index==NUM_IMG)
index =0;
try {
icon = new ImageIcon(ImageIO.read(new File(strTmp2)));
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
Image image2 = icon.getImage();
Image smallImage2 = image2.getScaledInstance(100,100,Image.SCALE_FAST);
icon = new ImageIcon(smallImage2);
lblImg3.setIcon(icon);

}
});
btnGuessAgain.setBounds(223, 337, 93, 23);
contentPane.add(btnGuessAgain);
}

private void add(JLabel lblImg1) {
// TODO Auto-generated method stub

}
}