java实现播放背景音乐

 package forGame; import javax.sound.sampled.*; import java.io.File; //测试背景音乐播放（只能播放.wav文件） public class Demo_2 { //需要传入要播放的文件 void playMusic(File file) { try { //创建相当于音乐播放器的对象 Clip clip = AudioSystem.getClip(); //将传入的文件转成可播放的文件 AudioInputStream audioInput = AudioSystem.getAudioInputStream(file); //播放器打开这个文件 clip.open(audioInput); //clip.start();//只播放一次 //循环播放 clip.loop(Clip.LOOP_CONTINUOUSLY); } catch(Exception ex){ ex.printStackTrace(); } //死循环不让主程序结束（swing可不用） /* while(true){ } */ } }

 package forGame; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; //动态效果 public class Demo_1 extends JFrame{ //背景 private BufferedImage bufferedImage; //窗体大小 private int width; private int height; //照片数组 private BufferedImage[] images = new BufferedImage[4]; //要绘制动态图片中的那张 private BufferedImage image; //背景音乐 private File bgm; //播放音乐类对象 private Demo_2 demo_2 = new Demo_2(); //初始化 { if(bufferedImage == null){ try { bufferedImage = ImageIO.read(new File("src\\image\\背景.png-600")); for(int i = 1;i <images.length + 1;i ++) images[i - 1] = ImageIO.read(new File("src\\image\\大飞机爆炸" + i + ".png-600")); } catch (IOException e) { e.printStackTrace(); } } width = bufferedImage.getWidth(); height = bufferedImage.getHeight(); image = images[0]; bgm = new File("src\\music\\bgm.wav"); } public Demo_1(){ super("动态测试"); //设置窗口 setSize(width,height); setLocationRelativeTo(null); setResizable(false); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setVisible(true); //启动线程 MyThread myThread = new MyThread(); myThread.start(); //播放背景音乐 demo_2.playMusic(bgm); } //双缓冲绘制解决图片闪烁问题 @Override public void paint(Graphics g) { Image image = this.createImage(width,height); Graphics gImage = image.getGraphics(); gImage.setColor(gImage.getColor()); gImage.fillRect(0,0,width,height); supe<i style="color:transparent">来源gaodai$ma#com搞$代*码*网</i>r.paint(gImage); //绘制背景 gImage.drawImage(bufferedImage,0 ,0 ,null ); //绘制动态图片 gImage.drawImage(this.image,0 ,100 ,null ); //最后绘制缓冲后的图片 g.drawImage(image,0 ,0 , null); } private int num = 0;//images数组内图片索引 //线程内部类 private class MyThread extends Thread{ @Override public void run() { while(true) { if(num <= 3) { image = images[num ++]; } else num = 0; repaint(); try { sleep(100);//每隔100毫秒重绘一次 } catch (InterruptedException e) { e.printStackTrace(); } } } } public static void main(String[] args) { new Demo_1(); } }