java - java eclipse 中的 mp3

Question

//这是我的代码副本，我正在尝试制作老虎之眼，我已将其保存在桌面上。首先我应该把它保存在哪里，还有我该如何让它播放？ 它是什么类型的文件也有关系吗(我使用的是 mp3) 任何帮助，将不胜感激。另外如果你能解释一下有帮助的代码 (音乐也保存到eclipse

package stopwatch;


 import java.awt.Container;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.util.Date;
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;

import org.omg.CORBA.portable.InputStream;

 public class StopWatch
   extends JFrame
 {
/**
     * 
     */
    private static final long serialVersionUID = -7203812812064067525L;
   long startTime;
   long stopTime;
   long currentTime;
   double elapsedTime;
   boolean timeStarted = false;
   int lapTime;

   JButton startButton = new JButton();
   JLabel startLabel = new JLabel();
   JTextField startTextField = new JTextField();

   JButton lapButton = new JButton();
   JLabel lapLabel = new JLabel();
   JTextField lapTextField = new JTextField();

   JButton stopButton = new JButton();
   JLabel stopLabel = new JLabel();
   JTextField stopTextField = new JTextField();

   JButton exitButton = new JButton();
   JLabel elapsedLabel = new JLabel();
   JTextField elapsedTextField = new JTextField();

   public StopWatch(String title)
   {






       setTitle(title);
     setDefaultCloseOperation(3);


     getContentPane().setLayout(new GridBagLayout());
     GridBagConstraints gridConstraints = new GridBagConstraints();


     this.startButton.setText("Start Timing");
     gridConstraints.gridx = 0;
     gridConstraints.gridy = 0;
     getContentPane().add(this.startButton, gridConstraints);


     this.startButton.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
         StopWatch.this.startButtonActionPerformed(e);
       }
     });
     this.startLabel.setText("  Start System Time  ");
     gridConstraints.gridx = 1;
     gridConstraints.gridy = 0;
     getContentPane().add(this.startLabel, gridConstraints);

     this.startTextField.setText("");
     this.startTextField.setColumns(20);
     gridConstraints.gridx = 2;
     gridConstraints.gridy = 0;
     getContentPane().add(this.startTextField, gridConstraints);

     this.lapButton.setText("Lap");
     gridConstraints.gridx = 0;
     gridConstraints.gridy = 1;
     getContentPane().add(this.lapButton, gridConstraints);

     this.lapButton.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
         StopWatch.this.lapButtonActionPerformed(e);
       }
     });
     this.lapLabel.setText("  Lap System Time  ");
     gridConstraints.gridx = 1;
     gridConstraints.gridy = 1;
     getContentPane().add(this.lapLabel, gridConstraints);


     this.lapTextField.setText("");
     this.lapTextField.setColumns(20);
     gridConstraints.gridx = 2;
     gridConstraints.gridy = 1;
     getContentPane().add(this.lapTextField, gridConstraints);



     this.stopButton.setText("Stop Timing");
     gridConstraints.gridx = 0;
     gridConstraints.gridy = 2;
     getContentPane().add(this.stopButton, gridConstraints);

     this.stopButton.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
         StopWatch.this.stopButtonActionPerformed(e);
       }
     });
     this.stopLabel.setText("  Stop System Time  ");
     gridConstraints.gridx = 1;
     gridConstraints.gridy = 2;
     getContentPane().add(this.stopLabel, gridConstraints);

     this.stopTextField.setText("");
     this.stopTextField.setColumns(20);
     gridConstraints.gridx = 2;
     gridConstraints.gridy = 2;
     getContentPane().add(this.stopTextField, gridConstraints);



     this.exitButton.setText("Close ALL Watches");
     gridConstraints.gridx = 0;
     gridConstraints.gridy = 3;
     getContentPane().add(this.exitButton, gridConstraints);

     this.exitButton.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
         StopWatch.this.exitButtonActionPerformed(e);
       }
     });



     this.elapsedLabel.setText("  Elapsed Time Seconds  ");
     gridConstraints.gridx = 1;
     gridConstraints.gridy = 3;
     getContentPane().add(this.elapsedLabel, gridConstraints);

     this.elapsedTextField.setText("");
     this.elapsedTextField.setColumns(20);
     gridConstraints.gridx = 2;
     gridConstraints.gridy = 3;
     getContentPane().add(this.elapsedTextField, gridConstraints);



     setLocationRelativeTo(null);

     pack();
   }

   private void startButtonActionPerformed(ActionEvent e)
   {
     this.startTime = System.currentTimeMillis();


     Date startDate = new Date();
     this.startTextField.setText(startDate.toString());

     this.stopTextField.setText("");
     this.elapsedTextField.setText("");
     this.timeStarted = true;
     this.lapTextField.setText("");
   }

   private void lapButtonActionPerformed(ActionEvent e)
   {
         if (this.timeStarted)
         {
           this.currentTime = System.currentTimeMillis();


           this.elapsedTime = ((this.currentTime - this.startTime) / 1000.0D);
           this.lapTextField.setText(String.valueOf(this.elapsedTime));

         }
         else {}
       }

   private void stopButtonActionPerformed(ActionEvent e)
   {
     if (this.timeStarted)
     {
       this.stopTime = System.currentTimeMillis();
       Date stopDate = new Date();
       this.stopTextField.setText(stopDate.toString());

       this.elapsedTime = ((this.stopTime - this.startTime) / 1000.0D);
       this.elapsedTextField.setText(String.valueOf(this.elapsedTime));

       timeStarted=(false);
     }
     else {}
   }

   private void exitButtonActionPerformed(ActionEvent e)
   {
     System.exit(0);
   }
 }

Answer 1

要在 Java 中播放 MP3，您需要将 MP3 库添加到您的程序中。我通常使用 javazoom 来实现这一点。否则，您可以将其转换为 wav 文件并使用声音缓冲。

http://www.javazoom.net/javalayer/javalayer.html