本文实例为大家分享了java音乐播放器的具体代码，供大家参考，具体内容如下
这个是源码结构介绍
这个是界面，有点简陋，见笑了，但是基本上的东西都有了，没办法，没有美工的程序写的界面
直接上源代码Player.java
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
|
package com.service; import java.io.File;import java.io.IOException;import java.util.ArrayList;import java.util.Random; import javax.sound.sampled.*;import javax.swing.JSlider;import javax.swing.JTable;import com.list.MusicList;import com.list.ThreadList;import com.list.ViewList;import com.model.Model;import com.model.Music;import com.view.View;/*"duration" "author" "title" "copyright" "date" "comment"*/public class Player extends Thread{ private Player p; private long time = 0; Object lock = new Object();//一个空的对象,没什么意义 private boolean paused = false;// 暂停 继续 public boolean isPaused() { return paused; } public void setPaused(boolean paused) { this.paused = paused; } private JSlider jSliderPlayProgress;//播放进度条 private boolean over = false;//开始 结束 //是否自动播放下一曲 private boolean isNext=true; private Music music;//音乐 AudioInputStream din = null; SourceDataLine line=null; private FloatControl volume = null; private JSlider jSliderVolume; public JSlider getjSliderVolume() { return jSliderVolume; } public void setjSliderVolume(JSlider jSliderVolume) { this.jSliderVolume = jSliderVolume; } public Player(JSlider jSliderVolume,JSlider jSliderPlayProgress) { super(); this.jSliderVolume = jSliderVolume; this.jSliderPlayProgress=jSliderPlayProgress; } public Music getMusic() { return music; } public void setMusic(Music music) { this.music = music; } public FloatControl getVolume(){ return volume; } //播放音乐 public void run(){ AudioInputStream in=null; try { File file = new File(music.getPath()); //播放不了的歌曲，直接下一首,并且在音乐列表中删除 try { in = AudioSystem.getAudioInputStream(file); } catch (Exception e) { //删除有点小问题 MusicList.getList().remove(music.getId()); ViewList.getList().get(0).getJt().setModel(new Model()); nextmusic(); } AudioFormat baseFormat = in.getFormat(); AudioFormat decodedFormat = new AudioFormat( AudioFormat.Encoding.PCM_SIGNED, baseFormat.getSampleRate(), 16, baseFormat.getChannels(), baseFormat.getChannels() * 2, baseFormat.getSampleRate(), false); if(baseFormat.getEncoding()==AudioFormat.Encoding.PCM_UNSIGNED || baseFormat.getEncoding()==AudioFormat.Encoding.ULAW || baseFormat.getEncoding()==AudioFormat.Encoding.ALAW || baseFormat.getEncoding()==AudioFormat.Encoding.PCM_SIGNED){ time=(file.length()*8000000)/((int)(decodedFormat.getSampleRate()*baseFormat.getSampleSizeInBits())); }else{ int bitrate=0; if(baseFormat.properties().get("bitrate")!=null){ //取得播放速度(单位位每秒) bitrate=(int)((Integer)(baseFormat.properties().get("bitrate"))); if(bitrate!=0) time=(file.length()*8000000)/bitrate; } } din = AudioSystem.getAudioInputStream(decodedFormat, in); DataLine.Info info = new DataLine.Info(SourceDataLine.class, decodedFormat); line = (SourceDataLine) AudioSystem.getLine(info); line.open(); setVolume(); jSliderPlayProgress.setMaximum((int)time); jSliderPlayProgress.setValue(0); if(line!=null){ line.open(decodedFormat); byte[] data = new byte[4096]; int nBytesRead; synchronized (lock) { while ((nBytesRead = din.read(data, 0, data.length)) != -1) { while (paused) { if(line.isRunning()) { line.stop(); System.out.println("暂停"); } try { lock.wait(); System.out.println("等待"); } catch(InterruptedException e) { } } if(!line.isRunning()&&!over) { System.out.println("开始播放"); line.start(); } if (over&&line.isRunning()) { System.out.println("停止播放"); jSliderPlayProgress.setValue(0); isNext=false; line.drain(); line.stop(); line.close(); } jSliderPlayProgress.setValue((int)line.getMicrosecondPosition()); line.write(data, 0, nBytesRead); } //根据播放模式选择下一首歌 nextmusic(); } } } catch(Exception e) { e.printStackTrace(); } finally { if(din != null) { try { din.close(); } catch(IOException e) { } } } } //设置播放器滚动条 public void setVolume() { if(line!=null) { if(line.isControlSupported(FloatControl.Type.MASTER_GAIN)) { jSliderVolume.setEnabled(true); volume= (FloatControl)line.getControl( FloatControl.Type.MASTER_GAIN ); jSliderVolume.setMinimum((int)volume.getMinimum()); jSliderVolume.setMaximum((int)volume.getMaximum()); //jSliderVolume.setValue((int)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5)); volume.setValue((float)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5)); } } else { volume=null; jSliderVolume.setEnabled(false); } } private void nextmusic() { String mode=Setting.getMode(); if (isNext&&!mode.equals("one")) {//单曲播放就不执行 int nextid=0;//将要播放的id int currentid=Integer.parseInt(this.music.getId()); System.out.println(mode); if (mode.equals("default")&&(currentid==MusicList.getList().size()-1)){ return; } if (mode.equals("rand")) { Random random = new Random(); nextid=Math.abs(random.nextInt())%MusicList.getList().size(); }else if (mode.equals("onecircle")) { nextid=currentid; }else if (mode.equals("default")&&!(currentid==MusicList.getList().size()-1)) { nextid=currentid+1; }else if (mode.equals("morecircle")) { nextid=(currentid==MusicList.getList().size()-1)?0:currentid+1; } JTable jTable=ViewList.getList().get(0).getJt(); if(nextid==0){//第一个 jTable.setRowSelectionInterval(0,0); }else { jTable.setRowSelectionInterval(nextid-1,nextid); } this.stopplay(); ThreadList.getList().clear(); p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(nextid)); ThreadList.getList().add(p); p.start(); } } //开始 public void startplay(){ over=false; } //停止 public void stopplay(){ over=true; } // 暂停 public void userPressedPause() { paused = true; } //继续 public void userPressedPlay() { synchronized(lock) { paused = false; lock.notifyAll(); } } public void Pause(){ if (paused) { synchronized(lock) { paused = false; lock.notifyAll(); } }else{ paused = true; } } } |
这个主要是播放音乐的类，播放，暂停，停止，上一首，下一首都有了
View.java
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
|
package com.view;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.GridLayout;import java.awt.Image;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.io.File;import java.io.IOException;import java.net.URI;import java.net.URL;import java.util.ArrayList;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JRootPane;import javax.swing.JScrollPane;import javax.swing.JSlider;import javax.swing.JTable;import javax.swing.ListSelectionModel;import javax.swing.ScrollPaneConstants;import javax.swing.SwingConstants;import javax.swing.event.ChangeEvent;import javax.swing.event.ChangeListener;import javax.swing.table.TableCellRenderer;import com.list.MusicList;import com.list.ThreadList;import com.list.ViewList;import com.model.Model;import com.model.Music;import com.service.Player;import com.service.Setting;import com.util.DirInput;import com.util.FileInput;import com.util.FileList;import com.util.List_File;public class View extends JFrame implements MouseListener,ActionListener,WindowListener { private JButton stop, open,del,next,pre; private Player p; private JPanel[] jPanels; private MusicList list; //private Long clickTime=0l; private JScrollPane jsp; private JTable jt; private JRootPane j; private Model model; private JSlider jSliderVolume; private JSlider jSliderPlayProgress; private FileInput fileinput; private DirInput dirInput; private JMenuBar jb; private JMenu jm; private JMenuItem fm,dm; private JComboBox jBox; public View(){ System.out.println(ViewList.getList().size()); if (ViewList.getList().size()==0) { Open(); } } private void Open() { //this.getRootPane().setWindowDecorationStyle(JRootPane.NONE); //this.setUndecorated(true); //菜单选项 jb=new JMenuBar(); jm=new JMenu("打开"); fm=new JMenuItem("文件"); dm=new JMenuItem("文件夹"); fm.addActionListener(this); dm.addActionListener(this); jb.add(jm); jm.add(fm); jm.add(dm); //this.setJMenuBar(jb); JPanel p1=new JPanel(); JPanel p2=new JPanel(); JPanel p3=new JPanel(); //增加菜单选项 j=new JRootPane(); j.setJMenuBar(jb); p2.add(j); open=new JButton("播放"); stop=new JButton("停止"); open.addMouseListener(this); stop.addMouseListener(this); pre=new JButton("上一首"); next=new JButton("下一首"); pre.addMouseListener(this); next.addMouseListener(this); p1.setLayout(new GridLayout(2,1)); JPanel jPanel2=new JPanel(); jPanel2.add(open); jPanel2.add(stop); jPanel2.add(pre); jPanel2.add(next); p1.add(jPanel2); /*p1.add(open); p1.add(stop); p1.add(pre); p1.add(next);*/ del=new JButton("删除"); del.addMouseListener(this); jSliderPlayProgress = new JSlider(); //播放进度条 jSliderPlayProgress.setValue(0); jSliderPlayProgress.setEnabled(false); jSliderPlayProgress.setPreferredSize(new Dimension(200, 20)); p1.add(jSliderPlayProgress); jSliderVolume = new JSlider(); //音量进度条 jSliderVolume.setValue(0); //jSliderPlayProgress.setEnabled(false); jSliderVolume.setPreferredSize(new Dimension(100, 20));//设置滚动条长度 jSliderVolume.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent evt) { System.out.println(jSliderVolume.getValue()); if (ThreadList.getList().size()!=0) { ThreadList.getList().get(0).getVolume().setValue((float)jSliderVolume.getValue()); } } }); String[] v={"顺序播放","随机播放","单曲循环","列表循环","单曲播放"}; jBox=new JComboBox(v); jBox.addActionListener(this); p2.add(jBox); p2.add(del); p2.add(jSliderVolume); jPanels=new JPanel[list.getList().size()]; for (int i = 0; i < list.getList().size(); i++) { Music music=list.getList().get(i); JPanel jPanel=new MyJPanel(music); JLabel jLabel=new JLabel(music.getName(),SwingConstants.CENTER); jLabel.setSize(300, 10); jLabel.setHorizontalTextPosition(JLabel.CENTER); jPanel.setBackground(Color.WHITE); jPanels[i]=jPanel; jPanel.addMouseListener(this); jPanel.add(jLabel); p3.add(jPanel); } p3.setBackground(Color.WHITE); p3.setLayout(new GridLayout(10, 1)); p3.setSize(320, 500); this.add(p1,BorderLayout.NORTH); this.add(p2,BorderLayout.SOUTH); model=new Model(); //添加表 jt=new JTable(model){ // 设置jtable的单元格为透明的 public Component prepareRenderer(TableCellRenderer renderer, int row, int column) { Component c = super.prepareRenderer(renderer, row, column); if (c instanceof JComponent) { ((JComponent) c).setOpaque(false); } return c; } };; jt.setOpaque(false); jt.setRowHeight(30); jt.setSelectionMode(ListSelectionModel.SINGLE_SELECTION ); jt.setShowHorizontalLines(false); jt.setSelectionBackground(new Color(189,215,238)); jt.addMouseListener(this); jsp = new JScrollPane(jt); jsp.setOpaque(false); jsp.getViewport().setOpaque(false); //addmusic(); //this.add(p3,BorderLayout.CENTER); this.add(jsp,BorderLayout.CENTER); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.addWindowListener(this); Image image=this.getToolkit().getImage("img/icon.jpg"); this.setIconImage(image); this.setTitle("音乐播放器"); ImageIcon icon = new ImageIcon("img/bg.jpg"); JLabel lab = new JLabel(icon); // 将图片放入到label中 lab.setBounds(0, 0, icon.getIconWidth(), icon.getIconHeight()); // 设置放有图片的label的位置 this.getContentPane().add(lab, -1); // jthis本身是窗体，不能放置任何组件，用getContentPane()方法得到this的默认内容面板，将lab放入其中，-1表示放入面板的下层 this.getContentPane().add(jsp, 0); // 0表示放在面板的最顶层 Container con = this.getContentPane(); ((JPanel)con).setOpaque(false); // 设置面板为透明的 p2.setOpaque(false); jSliderVolume.setOpaque(false); jPanel2.setOpaque(false); p1.setOpaque(false); p3.setOpaque(false); jSliderPlayProgress.setOpaque(false); this.setLocation(400, 200); this.setSize(337, 525); this.setResizable(false); this.setVisible(true); } @Override public void mouseClicked(MouseEvent e) { System.out.println("开始播放"); if (e.getSource()==open) { if (p==null) {//开始 p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(0)); jt.setRowSelectionInterval(0,0); ThreadList.add(p); open.setText("暂停"); p.start(); }else{//继续 if (ThreadList.getList().size()!=0) { p=ThreadList.getList().get(0); } String s=p.isPaused()?"暂停":"播放"; open.setText(s); p.Pause(); } }else if (e.getSource()==stop) { if (ThreadList.getList().size()!=0) { p=ThreadList.getList().get(0); } if (p!=null) { p.stopplay(); p=null; open.setText("播放"); } }else if (e.getSource()==pre) {//上一首 premusic(); }else if (e.getSource()==next) {//下一首 nextmusic(); }else if (e.getSource()==del) { delmusic(); }else if (e.getSource()==jt&&e.getClickCount()==2) {//双击 clickmusic(); } } private void clickmusic() { //双击Jtable System.out.println("点击了"); int rowNum = this.jt.getSelectedRow(); System.out.println(rowNum); if(rowNum == -1) { JOptionPane.showMessageDialog(this, "你没有选择一项"); return; } ArrayList<Player> list=ThreadList.getList(); System.out.println(list.size()+"音乐文件数目"); if (list.size()==0) { p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(rowNum)); ThreadList.add(p); open.setText("暂停"); p.start(); }else{ System.out.println("停止"); list.get(0).stopplay(); list.clear(); p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(rowNum)); open.setText("暂停"); list.add(p); p.start(); } } private void delmusic() { int rowNum = this.jt.getSelectedRow(); MusicList.getList().remove(rowNum); System.out.println(MusicList.getList().size()); jt.setModel(new Model()); ArrayList<Player> list=ThreadList.getList(); p=new Player(jSliderVolume,jSliderPlayProgress); System.out.println(list.size()+"大小"); if (list.size()!=0) { list.get(0).stopplay(); list.clear(); open.setText("暂停"); if(rowNum==0){//第一个 System.out.println("第一个"); jt.setRowSelectionInterval(0,0); p.setMusic(MusicList.getList().get(rowNum)); }else if(rowNum==MusicList.getList().size()){//最后一个 System.out.println("最后一个"); jt.setRowSelectionInterval(rowNum-2,rowNum-1); p.setMusic(MusicList.getList().get(rowNum-1)); }else { System.out.println("中间"); jt.setRowSelectionInterval(rowNum-1,rowNum); p.setMusic(MusicList.getList().get(rowNum)); } list.add(p); p.start(); } } public JTable getJt() { return jt; } private void premusic() { System.out.println("上一首"); ArrayList<Player> list=ThreadList.getList(); int id=Integer.parseInt(list.get(0).getMusic().getId()); if(id!=0){ if (id==1) { jt.setRowSelectionInterval(0,0); }else{ jt.setRowSelectionInterval(id-2,id-1); } System.out.println(id); list.get(0).stopplay(); list.clear(); p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(id-1)); System.out.println(id-1); open.setText("暂停"); list.add(p); p.start(); } } private void nextmusic() { System.out.println("下一首"); ArrayList<Player> list=ThreadList.getList(); int id=Integer.parseInt(list.get(0).getMusic().getId()); System.out.println(id); if(id!=MusicList.getList().size()-1){ //122 jt.setRowSelectionInterval(id,id+1); //123条 list.get(0).stopplay(); list.clear(); p=new Player(jSliderVolume,jSliderPlayProgress); p.setMusic(MusicList.getList().get(id+1)); System.out.println(id+1); open.setText("暂停"); list.add(p); p.start();} } //判断双击/* private boolean checkClickTime() { long nowTime = (new Date()).getTime(); if ((nowTime - clickTime) < 300) { clickTime = nowTime; return true; } clickTime = nowTime; return false; }*/ private void addmusic(String path) {//增加mp3文件夹 System.out.println("增加mp3文件夹"); ArrayList<Music> musiclist=MusicList.getList(); List_File fm = new List_File(); ArrayList<String[]> FileList = fm.serachFiles(path); for (int i = 0; i < FileList.size(); i++) { Music music= new Music(); music.setId(musiclist.size()+""); String[] s=(String[]) FileList.get(i); music.setName(s[0]); music.setPath(s[1]); musiclist.add(music); } jt.setModel(new Model()); } @Override public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub } @Override public void actionPerformed(ActionEvent e) { if (e.getSource()==fm) {//添加mp3文件 if(fileinput==null) fileinput = new FileInput(this); fileinput.open(); File[] s=fileinput.getFiles(); ArrayList<Music> musiclist=MusicList.getList(); if(s!=null){ for(int i=0;i<s.length;i++){ Music music= new Music(); music.setId(musiclist.size()+""); music.setName(s[i].getName()); music.setPath(s[i].getAbsolutePath()); musiclist.add(music); jt.setModel(new Model()); } } }else if (e.getSource()==dm) { if(dirInput==null) dirInput = new DirInput(this); dirInput.open(); File s=dirInput.getFile(); if(s!=null){ addmusic(s.getAbsolutePath()); } }else if (e.getSource()==jBox) { //顺序播放 (默认)default 随机rand 单曲循环 onecircle 列表循环 morecircle 单曲播放 one if (ThreadList.getList().size()!=0) { p=ThreadList.getList().get(0); }else { p=new Player(jSliderVolume,jSliderPlayProgress); ThreadList.getList().add(p); } String[] s={"default","rand","onecircle","morecircle","one"}; Setting.setMode(s[jBox.getSelectedIndex()]); } } @Override public void windowActivated(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowClosed(WindowEvent e) { // TODO Auto-generated method stub System.out.println("关闭kk"); } @Override public void windowClosing(WindowEvent e) { // TODO Auto-generated method stub System.out.println("close"); if (MusicList.getList().size()!=0) { System.out.println("写入文件"); //清空之前的内容 FileList.clear("file/musiclist.txt"); ArrayList<Music> list=MusicList.getList(); for (int i = 0; i < list.size(); i++) { FileList.writeFile("file/musiclist.txt",list.get(i).getId()+","+list.get(i).getName()+"," +list.get(i).getPath()+"\n"); } } } @Override public void windowDeactivated(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeiconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowIconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowOpened(WindowEvent e) { // TODO Auto-generated method stub System.out.println("open"); File file=new File("file/musiclist.txt"); if (file.exists()==false) { try { file.createNewFile(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } }else { FileList.readFileByLines("file/musiclist.txt"); jt.setModel(new Model()); } }} |
剩下的代码在后面附件上有，现在主要是有几个小问题，第一，我还没有找到获取音乐文件具体信息比较好的办法，所以每一首暂时还没有歌手，作曲的信息，第二界面有点难看，见谅了，第三个是打包成jar文件会有路径问题，暂时还没办法解决，我是直接在myeclipse上运行，一切正常，就是打包有点小问题
暂时先说这些了，这个是我业余时间的项目，有什么不足的，大家都可以提出来。
下载地址：音乐播放器
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
