《Java课程实习》日志（周二）

来源：互联网发布：天然气进出口数据编辑：程序博客网时间：2024/06/14 01:28
import java.io.IOException;  import java.util.EventObject;import java.awt.Image;import javax.swing.AbstractButton;  import javax.swing.ImageIcon;import javax.imageio.ImageIO;import javax.swing.JFileChooser;     import java.io.File;import java.awt.EventQueue;     import javax.swing.JFrame;  import javax.swing.JPanel;import javax.swing.border.EmptyBorder;import javax.swing.JButton; import javax.swing.JTextField;  import javax.swing.JLabel;  import java.awt.Color;import java.awt.SystemColor;  import java.awt.event.ActionListener;  import java.awt.event.ActionEvent;  import java.awt.event.MouseAdapter;  import java.awt.event.MouseEvent;         public class bbq extends JFrame {      /**      *       */      private static final long serialVersionUID = 1L;      String strPath = "";    //文件夹路径      String strFileName = "";    //文件名称            File[] fileArray;   // 文件夹下所有文件      int NUM_IMG = 0;    // 文件总数目      int index   = 0;                 private JPanel contentPane;      private JTextField tfDir;      private JTextField tfClass;      /**      * Launch the application.      */      public static void main(String[] args) {          EventQueue.invokeLater(new Runnable() {              public void run() {                  try {                      bbq frame = new bbq();                      frame.setVisible(true);                  } catch (Exception e) {                      e.printStackTrace();                  }              }          });    }        /**      * Create the frame.      */      public bbq() {          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          final 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.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);                        jfc.showDialog(new JLabel(), "选择");                        File file=jfc.getSelectedFile();                                            tfDir.setText(file.getAbsolutePath());                                                                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;                        }                         }                             });          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          final 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.setFileSelectionMode(JFileChooser.FILES_ONLY);                      jfc.showDialog(new JLabel(), "选择");                      File file=jfc.getSelectedFile();                        tfClass.setText(file.getAbsolutePath());                                                              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;                      }               }          });          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("\u56FE\u72471");          lblImg1.setBackground(Color.RED);          this.add(lblImg1);                    lblImg1.addMouseListener(new MouseAdapter() {              @Override              public void mouseClicked(MouseEvent arg0) {                                  }           });          lblImg1.setBounds(26, 151, 183, 178);          contentPane.add(lblImg1);                    // 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 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          final JLabel lblImg3 = new JLabel("\u56FE\u72473");          lblImg3.addMouseListener(new MouseAdapter() {              @Override              public void mouseClicked(MouseEvent e) {                                }          });          lblImg3.setBounds(434, 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          final 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);      }  }
还未能实现图片的显示，还有非常多的地方需要改进和认识。
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