ADD file via upload

Music.java

@@ -0,0 +1,75 @@
+package com;
+ 
+import java.io.File;
+import java.io.IOException;
+ 
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.FloatControl;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.SourceDataLine;
+import javax.sound.sampled.UnsupportedAudioFileException;
+ 
+public class Music extends Thread {
+	private String fileName;
+	private final int EXTERNAL_BUFFER_SIZE = 524288;
+ 
+	public Music(String wavFile) {
+		this.fileName = wavFile;
+	}
+ 
+	@SuppressWarnings("unused")
+	public void run() {
+		File soundFile = new File(fileName); // 播放音乐的文件名
+		if (!soundFile.exists()) {
+			System.err.println("Wave file not found:" + fileName);
+			return;
+		}
+		while (true) { // 设置循环播放
+			AudioInputStream audioInputStream = null; // 创建音频输入流对象
+			try {
+				audioInputStream = AudioSystem.getAudioInputStream(soundFile); // 创建音频对象
+			} catch (UnsupportedAudioFileException e1) {
+				e1.printStackTrace();
+				return;
+			} catch (IOException e1) {
+				e1.printStackTrace();
+				return;
+			}
+			AudioFormat format = audioInputStream.getFormat(); // 音频格式
+			SourceDataLine auline = null; // 源数据线
+			DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
+			try {
+				auline = (SourceDataLine) AudioSystem.getLine(info);
+				auline.open(format);
+			} catch (LineUnavailableException e) {
+				e.printStackTrace();
+				return;
+			} catch (Exception e) {
+				e.printStackTrace();
+				return;
+			}
+			if (auline.isControlSupported(FloatControl.Type.PAN)) {
+				FloatControl pan = (FloatControl) auline.getControl(FloatControl.Type.PAN);
+			}
+			auline.start();
+			int nBytesRead = 0;
+			byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];
+			try {
+				while (nBytesRead != -1) {
+					nBytesRead = audioInputStream.read(abData, 0, abData.length);
+					if (nBytesRead >= 0)
+						auline.write(abData, 0, nBytesRead);
+				}
+			} catch (IOException e) {
+				e.printStackTrace();
+				return;
+			} finally {
+				auline.drain();
+// auline.close();
+			}
+		}
+	}
+}