17周实验第一天

import java.awt.Color;
import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
public class Guess01 extends JFrame {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private JPanel contentPane;
	private JTextField tfDir;
	private JTextField tfClass;
	File[] fileArray;   // +文件夹下所有文件
	int NUM_IMG = 0;    // +文件总数目
	int index   = 0; 

	String strPath = "";    //+文件夹路径
	String strFileName = "";    //+文件名称
	JLabel jlbImg = 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("\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);

		// +添加显示Image的JLabel控件
		jlbImg = new JLabel();
		jlbImg.setBackground(Color.RED);
		jlbImg.setBounds(100, 100, 200, 200);
		this.add(jlbImg);

		// 选择目录 按钮的处理程序
		final JButton btnDir = new JButton("\u9009\u62E9\u76EE\u5F55");
		btnDir.addActionListener(new ActionListener() {
			private Object btnGuessAgain;

			public void actionPerformed(ActionEvent e) {
				if(e.getSource()==btnDir ){    //如果是open按钮
					JFileChooser jfc=new JFileChooser();
					//jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES );
					jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
					jfc.showDialog(new JLabel(), "选择");
					File file=jfc.getSelectedFile();

					if(file.isDirectory()){
						System.out.println("文件夹:"+file.getAbsolutePath());

					}else if(file.isFile()){
						System.out.println("文件:"+file.getAbsolutePath());
					}
					System.out.println(jfc.getSelectedFile().getName());

					// 把文件路径显示在文本框中
					tfDir.setText(file.getAbsolutePath());
					//jlbImg.setIcon(new ImageIcon(file.getAbsolutePath()));

					// 获取文件路径 与文件名
					strPath = file.getAbsolutePath();
					strFileName = jfc.getSelectedFile().getName();

					if(file!=null && file.isDirectory()){
						// 参考： java中File.listFiles(FileFilter) FileFilter的使用 
						//  http://zhouzaibao.iteye.com/blog/347557 ;

						// 获取文件夹下所有的文件
						fileArray = file.listFiles();
						NUM_IMG = fileArray.length;
					}

				}

				if(e.getSource()==btnGuessAgain){ //如果是next按钮
					String strTmp = fileArray[index].toString();
					index++;
					if(index==NUM_IMG)
						index = 0;
					jlbImg.setIcon(new ImageIcon(strTmp));
				}  
			}
		});

		btnDir.setBounds(26, 26, 93, 23);
		contentPane.add(btnDir);

		//随机图片生成
		jlbImg.setLayout(new GridLayout(3, 3));
		jlbImg .setSize(200, 200);
		jlbImg .setVisible(true);
		//jlbImg .setDefaultCloseOperation(jlbImg.EXIT_ON_CLOSE);

		JLabel[] labels = new JLabel[100];

		for (int i = 0; i < 100; i++) {
			labels[i] = new JLabel();
			jlbImg .add(labels[i]);

			int num = ((int) (Math.random() * 3));

			if (num == 0) {
				labels[i].setIcon(new ImageIcon("X.jpg"));
			}

			else if (num == 1) {
				labels[i].setIcon(new ImageIcon("0.jpg"));
			}
		}

		// 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
		final JButton btnClass = new JButton("\u9009\u62E9\u73ED\u7EA7");
		btnClass.addActionListener(new ActionListener() {
			private Object btnGuessAgain;

			public void actionPerformed(ActionEvent e) {
				if(e.getSource()==btnClass){    //如果是open按钮
					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(), "选择");
					if(file.isDirectory()){
						System.out.println("文件夹:"+file.getAbsolutePath());

					}else if(file.isFile()){
						System.out.println("文件:"+file.getAbsolutePath());
					}
					System.out.println(jfc.getSelectedFile().getName());

					// 把文件路径显示在文本框中
					tfClass.setText(file.getAbsolutePath());
					//jlbImg.setIcon(new ImageIcon(file.getAbsolutePath()));

					// 获取文件路径 与文件名
					strPath = file.getAbsolutePath();
					strFileName = jfc.getSelectedFile().getName();

					//if(file!=null && file.istxt()){
					if (file.getName().endsWith(".txt")){
						// 参考： java中File.listFiles(FileFilter) FileFilter的使用 
						//  http://zhouzaibao.iteye.com/blog/347557 ;
					}
					//获取文件夹下所有的文件
					fileArray = file.listFiles();
					NUM_IMG = fileArray.length;
				}

				if(e.getSource()==btnGuessAgain){ //如果是next按钮
					String strTmp = fileArray[index].toString();
					index++;
					if(index==NUM_IMG)
						index = 0;
					jlbImg .setIcon(new ImageIcon(strTmp));
				}  
			}
		});

		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);

		// 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
		JLabel lblImg1 = new JLabel("\u56FE\u72471");
		lblImg1.addMouseListener(new MouseAdapter() {
			public void mouseClicked(MouseEvent e) {

			}
		});
		lblImg1.setBounds(26, 151, 183, 178);
		contentPane.add(lblImg1);

		// 标签，显示第二个学生相片
		JLabel lblImg2 = new JLabel("\u56FE\u72472");
		lblImg2.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {

			}
		});
		lblImg2.setForeground(Color.BLACK);
		lblImg2.setBackground(SystemColor.inactiveCaption);
		lblImg2.setBounds(241, 155, 183, 172);
		contentPane.add(lblImg2);

		// 标签，显示第三个学生相片
		JLabel lblImg3 = new JLabel("\u56FE\u72473");
		lblImg3.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {

			}
		});
		lblImg3.setBounds(430, 155, 185, 172);
		contentPane.add(lblImg3);

		// 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) {

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

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