Java怎么播放WMA文件啊?

最新推荐文章于 2021-06-15 16:56:51 发布

zhangwei_kison

最新推荐文章于 2021-06-15 16:56:51 发布

阅读量1.2k

点赞数

CC 4.0 BY-SA版权

文章标签： java import null file components exception

本文链接：https://blog.youkuaiyun.com/zhangwei_kison/article/details/6512463

一款名为糖糖播放器的应用程序无法播放WMA格式的文件。该播放器使用Java编写，支持从本地文件系统加载MP3文件并进行播放。开发者在尝试加入WMA文件支持时遇到困难。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package ttangPlayer;

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import javax.swing.*;

import javax.media.*;

import javax.sound.midi.*;

public class MusicPlayer extends JFrame{

/**

*/ private Player player;

private File file;

JLabel now = new JLabel("<html> <font color= 'blue' size='3'>糖糖播放器     Zwaerd 为您倾情打造</font> </html> ");

private static final long serialVersionUID = 1L;

public MusicPlayer(){

super("糖糖播放器 1.0.1");

setLayout(null);

setBounds(300,200,600,400);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

ImageIcon imagebox = new ImageIcon(System.getProperty("user.dir") + "/SysIco/bgPic/qive.png");

ImageIcon imagemain = new ImageIcon(System.getProperty("user.dir") + "/SysIco/bgPic/main.png");

ImageIcon imagegs = new ImageIcon(System.getProperty("user.dir") + "/SysIco/050.png");

ImageIcon imagepri = new ImageIcon(System.getProperty("user.dir") + "/SysIco/045.png");

ImageIcon imagenext = new ImageIcon(System.getProperty("user.dir") + "/SysIco/049.png");

ImageIcon imagemode = new ImageIcon(System.getProperty("user.dir") + "/SysIco/mod.gif");

ImageIcon imageadd = new ImageIcon(System.getProperty("user.dir") + "/SysIco/add.gif");

ImageIcon imagechoice = new ImageIcon(System.getProperty("user.dir") + "/SysIco/choice.gif");

ImageIcon imagecreate = new ImageIcon(System.getProperty("user.dir") + "/SysIco/create.gif");

ImageIcon imagedel = new ImageIcon(System.getProperty("user.dir") + "/SysIco/del.gif");

JButton add = new JButton(imageadd);

add.addActionListener(

new ActionListener() {

public void actionPerformed( ActionEvent e )

{

openFile();

if(player==null)

createPlayer();

else{

player.close();

createPlayer();

}

);

JLabel del = new JLabel(imagedel);

JLabel choice = new JLabel(imagechoice);

JLabel create = new JLabel(imagecreate);

JLabel main = new JLabel(imagemain);

JLabel mode = new JLabel(imagemode);

JLabel box = new JLabel(imagebox);

JLabel next = new JLabel(imagenext);

JLabel pri = new JLabel(imagepri);

JLabel gostop = new JLabel(imagegs);

JLabel local = new JLabel("<html> <font color= 'blue' size='3'> 本地歌曲 </font> </html> ");

JLabel net = new JLabel("网络曲库");

JLabel lic = new JLabel("显示歌词");

JButton voice=new JButton();

JButton tim=new JButton();

add.setBounds(520, 280, 20, 20);

del.setBounds(540, 280, 20, 20);

choice.setBounds(470, 280, 20, 20);

create.setBounds(490, 280, 20, 20);

tim.setBounds(243, 321, 12, 7);

voice.setBounds(515, 17, 7, 10);

mode.setBounds(450, 12, 20, 20);

now.setBounds(250, 330, 300, 30);

net.setBounds(140, 10, 300, 40);

lic.setBounds(250, 10, 300, 40);

local.setBounds(30, 10, 300, 40);

main.setBounds(2, 5, 590, 300);

box.setBounds(0, 0, 600, 400);

gostop.setBounds(20, 320, 40, 40);

pri.setBounds(60, 320, 40, 40);

next.setBounds(100, 320, 40, 40);

this.add(tim);

this.add(mode);

this.add(now);

this.add(voice);

this.add(local);

this.add(net);

this.add(lic);

this.add(del);

this.add(add);

this.add(choice);

this.add(create);

this.add(main);

this.add(next);

this.add(pri);

this.add(gostop);

this.add(box);

setVisible(true);

}

private void openFile()

{

JFileChooser fileChooser = new JFileChooser("F://KuGou");

fileChooser.setFileSelectionMode(

JFileChooser.FILES_ONLY );

int result = fileChooser.showOpenDialog(this);

if ( result == JFileChooser.CANCEL_OPTION )

file = null;

else{

now.setText("正在播放 : " + fileChooser.getSelectedFile().getName());

file = fileChooser.getSelectedFile();

}

@SuppressWarnings("deprecation")

private void createPlayer()

{

if ( file == null )

return;

try {

player = Manager.createPlayer(file.toURL());

player.addControllerListener( new EventHandler() );

player.start(); // start player

}

catch ( Exception e ){

JOptionPane.showMessageDialog( this,"播放器暂时不能播放除MP3文件以外的音乐文件!","文件提示",JOptionPane.ERROR_MESSAGE );

}

public static void main(String[] args){

MusicPlayer mp= new MusicPlayer();

mp.addWindowListener(

new WindowAdapter() {

public void windowClosing( WindowEvent e )

{

System.exit(0);

}

);

}

private class EventHandler implements ControllerListener {

public void controllerUpdate( ControllerEvent e ) {

if ( e instanceof RealizeCompleteEvent ) {

Container c = getContentPane();

// load Visual and Control components if they exist

Component visualComponent =

player.getVisualComponent();

if ( visualComponent != null )

c.add( visualComponent, BorderLayout.CENTER );

Component controlsComponent =

player.getControlPanelComponent();

if ( controlsComponent != null )

c.add( controlsComponent, BorderLayout.SOUTH );

c.doLayout();

}

高手帮看下,怎么不能播放Wma文件啊?