java实现简单的音乐播放器（只可播放wav格式）

import java.applet.Applet; //音乐播放 import java.applet.AudioClip; import java.net.MalformedURLException; import java.net.URL; import java.io.*;//文件读写 import javax.swing.text.*; //界面设计 import javax.swing.*; import static javax.swing.JFrame.*; import java.awt.event.*; import java.awt.*; import java.net.*; import java.util.*; import java.util.Timer; //定时器 import java.util.TimerTask; //注释掉的代码为音量控制，没时间弄了 /*package com.lct.utils; import com.sun.jna.Pointer; import com.sun.jna.platform.win32.Kernel32; import com.sun.jna.platform.win32.WinNT; import org.apache.commons.lang3.StringUtils; import java.lang.reflect.Field; */ class audioplay{//播放音乐类 AudioClip adc;// 声音音频剪辑对象 URL url; boolean adcFlag=false; void SetPlayAudioPath(String path){ try{ url = new URL(path); // System.out.println(adc.toString()); if(adcFlag==true){adc.stop();} adc = Applet.newAudioClip(url); adcFlag=true; } catch (MalformedURLException e1) { e1.printStackTrace(); } } void play(){ //开始播放 adc.play(); } void loop(){ //循环播放 adc.loop(); } void stop(){ //停止播放 adc.stop(); } } class MyExtendsJFrame extends JFrame implements ActionListener,MouseListener{ audioplay audioPlay=new audioplay(); String currentname;//当前歌曲名称 int currentduration;//当前歌曲时长 int currentplaytime=0;//当前歌曲播放进度 JLabel background; public MyExtendsJFrame(){ setTitle("音乐播放器"); setBounds(350,110,1280,820);//播放器位置和大小 Image icontitle=Toolkit.getDefaultToolkit().getImage(".//logo.jpg"); setIconImage(icontitle);//设置音乐播放器左上角图标 setResizable(false); setLayout(null); init(); //添加控件的操作封装成一个函数 setVisible(true);//放在添加组件后面执行 setDefaultCloseOperation(EXIT_ON_CLOSE); } //下面的函数作用是美化进度条，可以改变进度条颜色为纯色或渐变色 void beautiful(JSlider slider){ slider.setUI(new javax.swing.plaf.metal.MetalSliderUI(){ @Override public void paintThumb(Graphics g) { //绘制指示物 Graphics2D g2d = (Graphics2D) g; g2d.setColor(Color.white); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2d.fillOval(thumbRect.x, thumbRect.y, thumbRect.width, thumbRect.height);//修改为圆形 //也可以帖图(利用鼠标事件转换image即可体现不同状态) //g2d.drawImage(image, thumbRect.x, thumbRect.y, thumbRect.width,thumbRect.height,null); } public void paintTrack(Graphics g) { //绘制刻度的轨迹 int cy,cw; Rectangle trackBounds = trackRect; if (slider.getOrientation() == JSlider.HORIZONTAL) { Graphics2D g2 = (Graphics2D) g; g2.setPaint(Color.black);//将背景设为黑色 cy = (trackBounds.height/2) - 2; cw = trackBounds.width; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.translate(trackBounds.x, trackBounds.y + cy); g2.fillRect(0, -cy + 5, cw, cy); int trackLeft = 0; int trackRight = 0; trackRight = trackRect.width - 1; int middleOfThumb = 0; int fillLeft = 0; int fillRight = 0; //换算坐标 middleOfThumb = thumbRect.x + (thumbRect.width / 2); middleOfThumb -= trackRect.x; if (!drawInverted()) { fillLeft = !slider.isEnabled() ? trackLeft : trackLeft + 1; fillRight = middleOfThumb; } else { fillLeft = middleOfThumb; fillRight = !slider.isEnabled() ? trackRight - 1 : trackRight - 2; } //设定渐变色 g2.setPaint(new GradientPaint(0, 0, Color.red, cw, 0, Color.blue, true)); g2.fillRect(0, -cy + 5, fillRight - fillLeft, cy); g2.setPaint(slider.getBackground()); g2.fillRect(10, 10, cw, 5); g2.setPaint(Color.yellow); g2.drawLine(0, cy, cw - 1, cy); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); g2.translate(-trackBounds.x, -(trackBounds.y + cy)); } else { super.paintTrack(g); } } }); } int lrc[]= {6,12,19,25,31,37,45,51,56,64,69,76};//存放每句歌词对应的开始时间 //加入lrcflag是为了解决,如果使用playFileName判断当前歌曲，用户打开文件框不选文件直接关闭时会导致进度条失灵的问题 Timer nTimer;//定时器 public void timerFun(){ if(nTimer!=null) nTimer.cancel(); nTimer = new Timer(); nTimer.schedule(new TimerTask() { public void run() { //如果当前播放时间大于等于歌曲时长，并且为循环模式和播放状态 if(currentplaytime>=currentduration && buttoncycle.isSelected()==false && buttonPlay.isSelected()==true) { int index=musiclist.getAnchorSelectionIndex();//获取歌曲列表中当前歌曲索引 musiclist.setSelectedIndex((index+1)%musicnum);//设置下一首被选中 musicName=musiclist.getSelectedValue();//获得当前被选中的歌曲名 playFile=musicDirectory+musicName;//歌曲路径 audioPlay.SetPlayAudioPath("file:"+playFile);//设置播放文件 setplay();//播放前初始化 ，见void seplay()定义 currentplaytime=0;//歌曲当前时间置零 audioPlay.play();//播放歌曲 timerFun();//开始计时 } //如果当前播放时间大于等于歌曲时长，并且为单曲循环 if(currentplaytime>=currentduration && buttoncycle.isSelected()==true) currentplaytime=0;//歌曲当前时间置零 //如果停止播放 if(buttonPlay.isSelected()==false) { nTimer.cancel();//取消定时器 currentplaytime=currentduration;//歌曲当前时间等于歌曲时长 if(currentduration/60<10 && currentduration%60<10)//显示歌曲时长 maxArea.setText("0"+currentduration/60+":"+"0"+currentduration%60); if(currentduration/60<10 && currentduration%60>=10) maxArea.setText("0"+currentduration/60+":"+currentduration%60); if(currentduration/60>=10 && currentduration%60>=10) maxArea.setText(currentduration/60+":"+currentduration%60); if(currentduration/60>=10 && currentduration%60<10) maxArea.setText(currentduration/60+":"+"10"+currentduration%60); } currentplaytime=currentplaytime+1; //计时 //如果当前播放歌曲为“离人愁” if(musicName.equals("离人愁.wav")) for(int i=0;i<12;i++)//遍历歌词时间数组 { if(currentplaytime==lrc[i])//如果当前时间等于数组中的某一个歌词时间 { lrclist.setSelectedIndex(i);//设置此句歌词为选中状态，即显示不同颜色 } } musiclist.setSelectedIndex(vtlist.indexOf(musicName));//持续保持当前播放歌曲为选中状态 playtime.setValue(currentplaytime);//设置进度条当前值 //显示歌曲当前播放时间 if(currentplaytime/60<10 && currentplaytime%60<10) currenttimeArea.setText("0"+currentplaytime/60+":"+"0"+currentplaytime%60); if(currentplaytime/60>=10 && currentplaytime%60<10) currenttimeArea.setText(currentplaytime/60+":"+"0"+currentplaytime%60); if(currentplaytime/60>=10 && currentplaytime%60>=10) currenttimeArea.setText(currentplaytime/60+":"+currentplaytime%60); if(currentplaytime/60<10 && currentplaytime%60>=10) currenttimeArea.setText("0"+currentplaytime/60+":"+currentplaytime%60); } },0,1000);//每1秒执行1次 } JButton buttonfile;//打开文件按钮 JButton buttonLast;//上一曲按钮 JToggleButton buttonPla