我是一个Java新手，所以请耐心等待并提供帮助。
我的目标是先播放然后录制声音。
我使用 netbeans IDE 6.8。这是代码:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.sound.sampled.*;
import java.awt.event.KeyListener;
import java.io.File;
import java.io.IOException;
public class Reg1 extends javax.swing.JFrame {
AudioFormat audioFormat;
TargetDataLine targetDataLine;
public Reg1() {
initComponents();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jButton1.setText("Stop");
jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseReleased(java.awt.event.MouseEvent evt) {
jButton1MouseReleased(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(211, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 135, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(237, 237, 237))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(287, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 109, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(65, 65, 65))
);
pack();
}// </editor-fold>
private void jButton1MouseReleased(java.awt.event.MouseEvent evt) {
targetDataLine.stop();
targetDataLine.close();
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Reg1();
}
private void Reg1(){
KeyListener s;
try {
AudioInputStream audio = AudioSystem.getAudioInputStream(new File("name.wav"));
Clip clip = AudioSystem.getClip();
clip.open(audio);
clip.start();
}
catch(UnsupportedAudioFileException uae) {
System.out.println(uae);
}
catch(IOException ioe) {
System.out.println(ioe);
}
catch(LineUnavailableException lua) {
System.out.println(lua);
}
captureAudio();
}
});
}
private void captureAudio(){
try{
audioFormat = getAudioFormat();
DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class,audioFormat);
targetDataLine = (TargetDataLine)
AudioSystem.getLine(dataLineInfo);
new CaptureThread().start();
}catch (Exception e) {
e.printStackTrace();
System.exit(0);
}
}
public static AudioFormat getAudioFormat(){
float sampleRate = 8000.0F;
int sampleSizeInBits = 16;
int channels = 1;
boolean signed = true;
boolean bigEndian = false;
return new AudioFormat(sampleRate,
sampleSizeInBits,
channels,
signed,
bigEndian);
}
class CaptureThread extends Thread{
public void run(){
AudioFileFormat.Type fileType = null;
File audioFile = null;
fileType = AudioFileFormat.Type.WAVE;
audioFile = new File("name.wav");
try{
targetDataLine.open(audioFormat);
targetDataLine.start();
AudioSystem.write(
new AudioInputStream(targetDataLine),
fileType,
audioFile);
}catch (Exception e){
e.printStackTrace();
}
}
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
// End of variables declaration
}
请给出具体指导，因为我是 Java 编程新手。
最佳答案
虽然可能有更正式的资源可以解释这一点(例如 Java 语言规范)，但我经常检查此网页是否存在此类问题:
http://mindprod.com/jgloss/jgloss.html
它很好地解释了这些事情，对于菜鸟来说也是如此;-) 对于您的情况:
关于java - 不能从静态上下文引用非静态变量，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/6185419/