利用java制作简单的音乐播放器
本文主要是用到java中的swing技术，以及JMFjar中的API，为大家分享了java音乐播放器的具体实现代码，供大家参考，具体内容如下
备注：需要用JDK1.8才能播放音乐MP3
packagebaidu;
importjava.awt.*;
importjava.awt.event.*;
importjava.io.*;
importjava.util.*;
importjavax.swing.*;
importjavax.media.bean.playerbean.*;//这个包要用到JMF
publicclassMP3extendsJFrameimplementsRunnable{
publicJLabelshijian;
privateJSlidersldDiameter;
publicMediaPlayersoumd1;
publicJButtonplaySound,loopSound,stopsound;
publicJButtontjian,shanc,baocun,duqu;
publicJPaneljp1,jp2,jp3,jp4;
publicJListjl;
intzongmiao=0;
publicVectorvector,mingcheng;
booleanfo=false,geshi=false;
JLabeljl1,jl2,sj1,sj2;
JTextFieldjt1,jt2;
JButtonqueding,xiugai;
intzong=0;
inta=0,b=0,you=1,mm=0;
intfenzhong,miaozhong;
publicMP3(){
super("java简单音乐播放器--严楷");
soumd1=newMediaPlayer();
Containerc=getContentPane();
c.setLayout(newFlowLayout());
mingcheng=newVector();
jp1=newJPanel();
shijian=newJLabel();
jp1.add(shijian);
c.add(jp1);
playSound=newJButton("开始播放");
loopSound=newJButton("循环播放");
stopsound=newJButton("停止播放");
jp2=newJPanel();
jp2.add(playSound);
jp2.add(loopSound);
jp2.add(stopsound);
c.add(jp2);
jp4=newJPanel();
sj1=newJLabel();
sj2=newJLabel();
sldDiameter=newJSlider(SwingConstants.HORIZONTAL,0,100,0);
sldDiameter.setMajorTickSpacing(1);
sldDiameter.setPaintTicks(true);
jp4.add(sj1);
jp4.add(sldDiameter);
jp4.add(sj2);
c.add(jp4);
vector=newVector();
jl=newJList(mingcheng);
jl.setVisibleRowCount(5);
jl.setFixedCellHeight(40);
jl.setFixedCellWidth(265);
jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
c.add(newJScrollPane(jl));
tjian=newJButton("添加");
shanc=newJButton("删除");
duqu=newJButton("读取");
baocun=newJButton("保存");
jp3=newJPanel();
jp3.add(tjian);
jp3.add(shanc);
jp3.add(baocun);
jp3.add(duqu);
c.add(jp3);
try{
Strings="C:/Users/Administrator/Music/卓依婷-萍聚.mp3";
ObjectInputStreaminput=newObjectInputStream(
newFileInputStream(s));
lujina1=(lujin)input.readObject();
mingcheng=a1.b;
vector=a1.a;
jl.setListData(mingcheng);
}catch(Exceptione){
System.out.println("c盘没有保存音乐文件");
//e.printStackTrace();
}
baocun.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEventevent){
JFileChooserfileChooser=newJFileChooser();//实例化文件选择器
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//设置文件选择模式,此处为文件和目录均可
if(fileChooser.showSaveDialog(MP3.this)==JFileChooser.APPROVE_OPTION){//弹出文件选择器,并判断是否点击了打开按钮
StringfileName=fileChooser.getSelectedFile()
.getAbsolutePath();//得到选择文件或目录的绝对路径
mmm(vector,mingcheng,fileName);
}
}
});
duqu.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEventevent){
JFileChooserfileChooser=newJFileChooser();//实例化文件选择器
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//设置文件选择模式,此处为文件和目录均可
if(fileChooser.showOpenDialog(MP3.this)==JFileChooser.APPROVE_OPTION){//弹出文件选择器,并判断是否点击了打开按钮
StringfileName=fileChooser.getSelectedFile()
.getAbsolutePath();//得到选择文件或目录的绝对路径
try{
ObjectInputStreaminput=newObjectInputStream(
newFileInputStream(fileName));
lujina1=(lujin)input.readObject();
mingcheng=a1.b;
vector=a1.a;
jl.setListData(mingcheng);
}catch(Exceptione){
e.printStackTrace();
}
}
}
});
playSound.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
if(jl.getSelectedIndex()>=0){
Stringyy=(String)vector.get(jl.getSelectedIndex());
Fileff=newFile(yy);
if(ff.exists()){
if(yy.matches("[\\S\\s]*.mp3")||yy.matches("[\\S\\s]*.MP3")){
if(soumd1!=null){
a=0;
b=0;
you=0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/"+yy);
fo=true;
soumd1.start();
geshi=true;
try{
Thread.sleep(500);
}catch(InterruptedExceptioneee){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
if(zongmiao>10000)
{
try{
Thread.sleep(500);
}catch(InterruptedExceptionew){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
}
zongmiao=(int)soumd1.getDuration().getSeconds();
Stringaa=fen(zongmiao);
sj2.setText(aa);
}else
JOptionPane.showMessageDialog(null,
"播放文件格式的有错,无法播放建议删除");
}else
JOptionPane.showMessageDialog(null,
"此歌曲文件已经不存在,建议删除");
}
else
JOptionPane.showMessageDialog(null,"请选择音乐文件");
}
});
loopSound.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
if(jl.getSelectedIndex()>=0){
Stringyy=(String)vector.get(jl.getSelectedIndex());
Fileff=newFile(yy);
if(ff.exists()){
if(yy.matches("[\\S\\s]*.mp3")||yy.matches("[\\S\\s]*.MP3")){
if(soumd1!=null){
a=0;
b=0;
you=0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/"+yy);
fo=true;
soumd1.start();
geshi=true;
try{
Thread.sleep(500);
}catch(InterruptedExceptionwe){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
if(zongmiao>10000)
{
try{
Thread.sleep(500);
}catch(InterruptedExceptionwe){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
}
zongmiao=(int)soumd1.getDuration().getSeconds();
Stringaa=fen(zongmiao);
sj2.setText(aa);
}else
JOptionPane.showMessageDialog(null,
"播放文件格式的有错,无法播放建议删除");
}else
JOptionPane.showMessageDialog(null,
"此歌曲文件已经不存在,建议删除");
}
else
JOptionPane.showMessageDialog(null,"请选择音乐文件");
}
});
stopsound.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEvente){
a=0;
b=0;
you=0;
mm=0;
geshi=false;
fo=false;
sldDiameter.setMaximum(100);
sldDiameter.setValue(0);
sj1.setText(null);
sj2.setText(null);
if(jl.getSelectedIndex()>=0)
soumd1.stop();
}
});
tjian.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEventevent){
JFileChooserfileChooser=newJFileChooser();//实例化文件选择器
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);//设置文件选择模式,此处为文件和目录均可
fileChooser.setCurrentDirectory(newFile("."));//设置文件选择器当前目录
fileChooser
.setFileFilter(newjavax.swing.filechooser.FileFilter(){
publicbooleanaccept(Filefile){//可接受的文件类型
Stringname=file.getName().toLowerCase();
returnname.endsWith(".mp3")
||file.isDirectory();
}
publicStringgetDescription(){//文件描述
return"音乐文件(*.mp3)";
}
});
if(fileChooser.showOpenDialog(MP3.this)==JFileChooser.APPROVE_OPTION){//弹出文件选择器,并判断是否点击了打开按钮
StringfileName=fileChooser.getSelectedFile()
.getAbsolutePath();//得到选择文件或目录的绝对路径
vector.add(fileName);
StringBufferbuffer=daoxu(fileName);
mingcheng.add(buffer);
}
}
});
shanc.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEventevent){
if(jl.getSelectedIndex()>=0){
mingcheng.removeElementAt(jl.getSelectedIndex());
vector.removeElementAt(jl.getSelectedIndex());
jl.setListData(mingcheng);
}
}
});
jl.addMouseListener(newMouseAdapter(){
publicvoidmousePressed(MouseEventevent){
if(event.getClickCount()==2){
if(jl.getSelectedIndex()>=0){
Stringyy=(String)vector.get(jl.getSelectedIndex());
Fileff=newFile(yy);
if(ff.exists()){
if(yy.matches("[\\S\\s]*.mp3")||yy.matches("[\\S\\s]*.MP3")){
if(soumd1!=null){
a=0;
b=0;
you=0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/"+yy);
fo=true;
soumd1.start();
geshi=true;
try{
Thread.sleep(500);
}catch(InterruptedExceptione){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
if(zongmiao>10000)
{
try{
Thread.sleep(500);
}catch(InterruptedExceptione){
}
zongmiao=(int)soumd1.getDuration().getSeconds();
}
Stringaa=fen(zongmiao);
sj2.setText(aa);
}else
JOptionPane.showMessageDialog(null,
"播放文件格式的有错,无法播放建议删除");
}else
JOptionPane.showMessageDialog(null,
"此歌曲文件已经不存在,建议删除");
}
}
if(event.isMetaDown()){
if(jl.getSelectedIndex()>=0){
inta=jl.getSelectedIndex();
xiugaix=newxiugai();
jt1.setText(mingcheng.get(jl.getSelectedIndex())+"");
jt2.setText(vector.get(jl.getSelectedIndex())+"");
}
}
}
});
addWindowListener(newWindowAdapter(){
publicvoidwindowClosing(WindowEvente){
Strings="c:\\music.txt";
mmm(vector,mingcheng,s);
System.exit(0);
}
});
setSize(300,400);
setVisible(true);
}
publicvoidrun(){
while(true){
Datenow=newDate();
//shijian.setText("当前时间:"+now.getYear()+"年"+now.getMonth()+"月"+now.getDate()+"日"+now.getTime());
shijian.setText("当前时间："+(newjava.text.SimpleDateFormat("yyyy-MM-ddHH:mm:ss")).format(newDate())+"严楷");
try{
Thread.sleep(1000);
}catch(InterruptedExceptione){
}
if(geshi){
you=(int)soumd1.getMediaTime().getSeconds();
mm=you%60;
if(you!=0)
if(you%60==0)
{
b++;
}
sj1.setText(b+":"+mm);
sldDiameter.setMaximum(zongmiao);
if(you!=zongmiao)
sldDiameter.setValue(you);
else{
sldDiameter.setValue(0);
mm=0;
b=0;
}
}
}
}
publicStringBufferdaoxu(StringfileName){
Stringmc="";
for(inti=fileName.length();i>=1;i--){
if(fileName.charAt(i-1)=='\\')
break;
mc+=fileName.charAt(i-1);
}
StringBufferbuffer=newStringBuffer(mc);
StringBuffermm=buffer.reverse();
returnmm;
}
publicvoidmmm(Vectorvector,Vectormingcheng,Stringlujin){
lujina=newlujin(vector,mingcheng);
try{
ObjectOutputStreamoutput=newObjectOutputStream(newFileOutputStream(lujin));
output.writeObject(a);
output.flush();
output.close();
}catch(Exceptione){
}
}
publicStringfen(intyy){
fenzhong=(int)yy/60;
miaozhong=(int)yy%60;
Stringsss=fenzhong+":"+miaozhong;
returnsss;
}
publicstaticvoidmain(Stringagrs[]){
MP3s=newMP3();
Threadt1=newThread(s);
t1.start();
s.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
classxiugaiextendsJFrame{
publicxiugai(){
jl1=newJLabel("文件名");
jt1=newJTextField(20);
jl2=newJLabel("文件路径");
jt2=newJTextField(20);
xiugai=newJButton("修改");
Containerc=getContentPane();
c.setLayout(newGridLayout(3,1));
JPanelj1=newJPanel();
JPanelj2=newJPanel();
JPanelj3=newJPanel();
j1.add(jl1);
j1.add(jt1);
j2.add(jl2);
j2.add(jt2);
j3.add(xiugai);
c.add(j1);
c.add(j2);
c.add(j3);
xiugai.addActionListener(newActionListener(){
publicvoidactionPerformed(ActionEventevent){
mingcheng.setElementAt(jt1.getText(),jl.getSelectedIndex());
vector.setElementAt(jt2.getText(),jl.getSelectedIndex());
jl.setListData(mingcheng);
dispose();
}
});
setSize(300,120);
setVisible(true);
}
}
}
classlujinimplementsSerializable{
Vectora=newVector();
Vectorb=newVector();
publiclujin(Vectorvector,Vectormingcheng){
a=vector;
b=mingcheng;
}
}
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毛票票。