课程实训（猜猜看游戏）进度三

最新推荐文章于 2025-02-20 10:14:30 发布
原创最新推荐文章于 2025-02-20 10:14:30 发布 · 437 阅读
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CC 4.0 BY-SA版权
本文介绍了一个使用Java Swing实现的简单应用，该应用能够从指定文件夹中随机选取三张图片展示，并从中挑选一张作为“猜姓名”的目标。通过鼠标点击图片进行猜测，正确会弹出恭喜消息，错误则提示重新尝试。
摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >
今天的的进度：在显示的三张的图片生成随机数，随机抽取一个图片的图片名显示在姓名的标签上~用到了数组。
（其实对编程并不是特别的了解，全靠身边的大神讲解才能够完成到这里。我会认真的去读代码，理解代码。）
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.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JLabel;

import java.awt.Image;
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 cdf extends JFrame {
    /**
     * 
     */
	class myFileFilter implements FileFilter{
    @Override  
    public boolean accept(File pathname) {  
        String filename = pathname.getName().toLowerCase();  
        if(filename.contains(".jpg")){  
            return false;  
        }else{  
            return true;  
        }  
    }  
}  
    
	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
    JLabel jlbImg = null;
    JButton btnNext = null;
    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                   cdf frame = new cdf();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }
    /**
     * Create the frame.
     */
    public cdf() {
        setTitle("\u731C\u731C\u770B\u6E38\u620FV0.1");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 600, 500);//窗体的大小
        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("目录");
        btnDir.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {	
			JFileChooser j=new JFileChooser();  
		        j.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//设置Filechooser  
		        j.showDialog(new JLabel(), "选择目录"); 
		        File file=j.getSelectedFile();
		        tfDir.setText(file.getAbsolutePath());
				// TODO Auto-generated method stub
		        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;
                 
                }
            }
        });
          
        
        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("班级");
        btnClass.addActionListener(new ActionListener() {
        	
            public void actionPerformed(ActionEvent e) {
            	JFileChooser i=new JFileChooser();  
		        i.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//设置Filechooser  
		        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);
        
        // 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
        final 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("学生一");

        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","提示",JOptionPane.PLAIN_MESSAGE);

                      }
                  else {
                      JOptionPane.showMessageDialog(null,"你猜错了！","警告",JOptionPane.WARNING_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("学生二");
        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","提示",JOptionPane.PLAIN_MESSAGE);

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

                  }  
                }
            }
        });
        
        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("学生三");
        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","提示",JOptionPane.PLAIN_MESSAGE);

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

                  }  
                }


            }
        });
        lblImg3.setBounds(434,155, 150, 200);
        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
        final JButton btnNext = new JButton("再猜一次");
        btnNext.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	if(e.getSource()==btnNext){ //如果是next按钮
            		
            		//随机数
            		 Random random = new Random();
            		
            		 //循环三次
            		 ImageIcon icon;//定义icon变量
            		 int p1 = 0,p2 = 0, p3 = 0;
            		 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)));
	                          
	                          Image image = icon.getImage(); // 从图表中获取到图片
	                         
	                          Image smallImage = image.getScaledInstance(150,200,Image.SCALE_FAST);// 缩放图像
	                       
	                          icon = new ImageIcon(smallImage);//把Image文件转化为ImageIcon
	                          
	                    if(index==NUM_IMG)
	                        index = 0;
	                    switch(i)
	                    {
	                    case 0:
	                    	lblImg1.setIcon(icon);
	                    	lblImg1.setText(filename1);
	                    	p1 = index;
	                    	break;
	                    case 1:
	                    	lblImg2.setIcon(icon);
	                    	lblImg2.setText(filename1);
	                    	p2 = index;
	                    	break;
						case 2:
	                    	lblImg3.setIcon(icon);
	                    	lblImg3.setText(filename1);
	                    	p3 = index;
	                    	break;
	                    }
	                    } catch (IOException e1) {
	                          // TODO Auto-generated catch block
	                          e1.printStackTrace();
            		}	
            		 }
            		 int []cdf = {p1,p2,p3};
            		 Random r = new Random();
            		 StringBuffer s1=new StringBuffer();
            		 s1.append(cdf[r.nextInt(2)]);
            		 String filename = s1.toString();
            		 
            		 int a = Integer.parseInt(filename);
            		 
            		 String filename1 = fileArray[a].getName();
            		 
            		 lbGuessName.setText(filename1);
            		 
            	} 
            }
        }); 
        
        btnNext.setBounds(223, 400, 93, 23);//再猜一次按钮的位置
        contentPane.add(btnNext);
         
    }
}