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.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.FileFilter; import java.io.IOException; import java.util.Random; //+import javax.swing.JOptionPane; //+public class Guess3 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; // 当前文件的序号int i = 0;String strPath = ""; //+文件夹路径String strFileName = ""; //+文件名称JLabel jlbImg = null;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 {Guess3 frame = new Guess3();frame.setVisible(true);} catch (Exception e) {e.printStackTrace();}}});}/** * Create the frame. */public Guess3() {setTitle("猜猜看TYHban");//左上角标题setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//关闭界面，如果不写这句，界面是没了，但程序还驻留在内存中没有结束setBounds(100, 100, 645, 510);//setBounds(x,y,width,height); x:组件在容器X轴上的起点 y:组件在容器Y轴上的起点 width:组件的长度 height:组件的高度contentPane = new JPanel();//面板contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));//设置面板的边界，Border描述了面板四周的边界（属于面板内部），EmptyBorder是一个空白的边界；//语句的意思是让contentPane内部边框为空，并且有5个像素的厚度，如果直接在contentPane上面添加一个按钮（设置为充满），那么按钮将铺满除了边框之外的内部矩形setContentPane(contentPane);contentPane.setLayout(null);//界面排版// 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(), "选择"); //目录选择File file=jfc.getSelectedFile();tfDir.setText(file.getAbsolutePath());if(file!=null && file.isDirectory()){// 获取文件夹下所有的文件，显示该文件夹的所有文件fileArray = file.listFiles();NUM_IMG = fileArray.length;}}});btnDir.setBounds(26, 26, 93, 23);//选择目录一，setBounds(x,y,width,height)contentPane.add(btnDir);//选择目录1// 文本框，显示目录tfDir = new JTextField();//建一个文本框，文本框能输入的字符为无穷大tfDir.setEditable(false);//设置不可编辑tfDir.setBounds(125, 27, 450, 21);//setBounds(x,y,width,height)contentPane.add(tfDir);//文本框//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(), "选择");File file=jfc.getSelectedFile();tfClass.setText(file.getAbsolutePath());}});btnClass.setBounds(26, 59, 93, 23);contentPane.add(btnClass);//选择目录二// 文本框，显示班级文件tfClass = new JTextField();tfClass.setEditable(false);tfClass.setBounds(125, 60, 450, 21);contentPane.add(tfClass);//文本框tfClass.setColumns(10);// 标签，显示带猜测学生姓名final JLabel lbGuessName = new JLabel("姓名");lbGuessName.setBounds(259, 91,140, 23);contentPane.add(lbGuessName);//姓名显示// 标签，，显示第一个学生相片final JLabel lblImg1 = new JLabel("图片一");lblImg1.addMouseListener(new MouseAdapter () {@Overridepublic void mouseClicked(MouseEvent arg0) {if(arg0.getSource()==lblImg1){//+if(( lblImg1.getText().equals(lbGuessName.getText()))){JOptionPane.showMessageDialog(null,"哇，你猜对了","提示",JOptionPane.PLAIN_MESSAGE);}else {JOptionPane.showMessageDialog(null,"no，猜错了","错误",JOptionPane.ERROR_MESSAGE);}}} });lblImg1.setBounds(26,155, 150, 200);contentPane.add(lblImg1);//图片一显示jlbImg1 = new JLabel();jlbImg1.setBackground(Color.RED);jlbImg1.setBounds(26, 151, 181,201);//JLabel在javax.swing Label在java.awtthis.add(jlbImg1);// 标签，显示第二个学生相片final JLabel lblImg2 = new JLabel("图片二");lblImg2.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent arg1) {if(arg1.getSource()==lblImg2){//+if(( lblImg2.getText().equals(lbGuessName.getText()))){JOptionPane.showMessageDialog(null,"哇，你猜对了","提示",JOptionPane.PLAIN_MESSAGE);}else {JOptionPane.showMessageDialog(null,"no，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);//图片二显示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("图片三");lblImg3.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent arg2) {if(arg2.getSource()==lblImg3){//+if(( lblImg3.getText().equals(lbGuessName.getText()))){JOptionPane.showMessageDialog(null,"哇，你猜对了","提示",JOptionPane.PLAIN_MESSAGE);}else {JOptionPane.showMessageDialog(null,"no，猜错了","错误",JOptionPane.ERROR_MESSAGE);}}}});lblImg3.setBounds(434,155, 150, 200);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final JButton btnGuessAgain = new JButton("\u518D\u731C\u4E00\u6B21");btnGuessAgain.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {if(e.getSource()==btnGuessAgain ){ //如果是next按钮Random random = new Random(System.currentTimeMillis());//随机数ImageIcon icon;for(int i=0;i<3;i++){index = random.nextInt(NUM_IMG);//随机数调用String strTmp = fileArray[index].toString();//图片数组String filename1=fileArray[index].getName();//名字数组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ImageIconicon = new ImageIcon(smallImage);if(index==NUM_IMG)index = 0;switch(i){case 0:System.out.println(fileArray[index].getName());lblImg1.setIcon(icon);lblImg1.setText(filename1);break;case 1:System.out.println(fileArray[index].getName());lblImg2.setIcon(icon);lblImg2.setText(filename1);break;case 2:System.out.println(fileArray[index].getName());lblImg3.setIcon(icon);lblImg3.setText(filename1);break;}} catch (IOException e1) {e1.printStackTrace();}}}@SuppressWarnings("unused")Random random1 = new Random(index);System.out.println(fileArray[index].getName());//输出图片的名字}});//==+btnGuessAgain.setBounds(223, 400, 93, 23);//setBounds(x,y,width,height)contentPane.add(btnGuessAgain);//next}}
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一个人的旅行，反而会更贴近自己的内心，
