Java 当我作为导出的jar运行时,我得到一个FileNotFound exeption
我正在创建一个运行一些声音文件的程序。当我在IDE(Eclipse)中运行它时,它运行得很好,但是当从jar运行时,文件的路径似乎已经改变了。该项目的路径是:Java 当我作为导出的jar运行时,我得到一个FileNotFound exeption,java,jar,ide,filenotfoundexception,Java,Jar,Ide,Filenotfoundexception,我正在创建一个运行一些声音文件的程序。当我在IDE(Eclipse)中运行它时,它运行得很好,但是当从jar运行时,文件的路径似乎已经改变了。该项目的路径是: MyProject: src (in build path): package: AudioFile.java SoundEffectManager.java asset
MyProject:
src (in build path):
package:
AudioFile.java
SoundEffectManager.java
assets (in build path):
sounds:
soundfile.wav
以及读取该文件的AudioFile.java代码:
import java.io.File;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
public class AudioFile implements LineListener {
private File audioFile;
private boolean paused = false;
private AudioInputStream ais;
private AudioFormat format;
private DataLine.Info info;
private Clip clip;
private volatile boolean playing;
// Constructor
public AudioFile(String fileName) {
try {
audioFile = new File(fileName);
ais = AudioSystem.getAudioInputStream(audioFile);
format = ais.getFormat();
info = new DataLine.Info(Clip.class, format);
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(this);
clip.open(ais);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
// Play Pause and other helpers
public void play() {
clip.start();
playing = true;
}
public boolean isPlaying() {
return playing;
}
public void stop() {
clip.stop();
clip.flush();
clip.setFramePosition(0);
playing = false;
}
public void pause() {
if (!paused) {
paused = true;
clip.stop();
}
}
public void resume() {
if (paused) {
clip.start();
paused = false;
}
}
@Override
public void update(LineEvent event) {
if (event.getType() == LineEvent.Type.START && !paused) {
playing = true;
}
else if (event.getType() == LineEvent.Type.STOP && !paused) {
clip.stop();
clip.flush();
clip.setFramePosition(0);
playing = false;
paused = false;
}
}
}
java创建音频文件的代码(省略了helpers和imports)
谢谢您的帮助。您必须将声音文件放在资源文件夹中。然后可以通过类加载器获得路径。这应该可以在ide和jar文件中使用
this.getClass().getClassLoader().getResource("soundfile").getPath()
jarfile.jar:
package:
AudioFile.class
SoundEffectManager.class
META-INF:
MANIFEST.MF
sounds:
soundfile.wav
this.getClass().getClassLoader().getResource("soundfile").getPath()