Question

此代码有什么问题？声明playMusicMethod时仍然会出错。坐了这个约一个小时仍然无法弄清楚。试图在另一个只使用main方法的类中使用此方法，并且它有效。

    import java.io.File;
    import java.io.InputStream;
    import java.io.FileInputStream;

    import java.awt.event.*;
    import javax.swing.*;

    import javax.sound.sampled.AudioInputStream;
    import javax.sound.sampled.AudioSystem;
    import javax.sound.sampled.Clip;
    import javax.sound.sampled.Line;
    import javax.sound.sampled.LineEvent;
    import javax.sound.sampled.LineListener;
    import javax.swing.JDialog;
    import javax.swing.JFileChooser;

    import sun.audio.*;
    import sun.audio.AudioPlayer;
    import sun.audio.AudioStream;

    public class MainClass extends JFrame {

        public static void main(String[] args) {

         JFrame frame = new JFrame();
         frame.setVisible(true);
         frame.setSize(200, 200);
        JButton click = new JButton("Click me");

    click.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            playMusic("Music\\somebody.wav");
         }
      });
    frame.add(click);
    }
    public static void playMusic(String filePath) {
        String filePath1 = filePath;
        InputStream audio;
        try {
        audio = FileInputStream(new File(filePath1));
        AudioStream music = new AudioStream(audio);
        AudioPlayer.player.start();

        } 
        catch(Exception e) {

        }
      }
    }

Answer 1

您错误地实例化了FileInputStream。

替换它：

audio = FileInputStream(new File(filePath1));

通过

audio = new FileInputStream(new File(filePath1));

FileInputStream（File）方法未定义类型

1 个答案: