Java游戏练习---音乐播放器

来源：互联网发布：php mvc 管理系统编辑：程序博客网时间：2024/06/15 04:01
大概是这个样子的
这里写图片描述
代码如下
package cn.hncu.games;import java.applet.Applet;import java.applet.AudioClip;import java.awt.Color;import java.awt.Font;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.io.File;import java.net.URL;import javax.swing.DefaultListModel;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JList;import javax.swing.ListModel;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;public class MusicPlayer extends JFrame{    //显示(歌曲名称)播放状态的标签    JLabel songNameLabel = null;    //四个播放功能键按钮    JButton btnLast = null; //上一曲    JButton btnPlay = null; //播放/停止    JButton btnNext = null; //下一曲    JButton btnLoop = null; //循环    //歌曲列表    JList songsList = null;    AudioClip songs[] = null;    AudioClip currentSong = null;    int index=0; //当前歌曲在JList中的位置(序号)    //歌曲文件名数组---String    String[] strSongNames={ "song1.wav","song2.wav","song3.wav","song4.wav","song5.wav","song6.wav" };    final String DIR="songs\\";    //播放音乐的线程    Thread playerThread=null;    boolean isPlayOrStop = true;//true代表播放状态    boolean isLoop = false; //是否为循环状态    public MusicPlayer() {        super("音乐播放器");        setBounds(300, 50, 310, 500);        setDefaultCloseOperation(EXIT_ON_CLOSE);        setLayout(null);        //hello();        //显示(歌曲名称)播放状态的标签        songNameLabel = new JLabel();        Font songNameFont = new Font("黑体",Font.ITALIC,18);        songNameLabel.setFont(songNameFont);        songNameLabel.setText("我的音乐播放器");        songNameLabel.setBounds(10, 10, 300, 40);        getContentPane().add(songNameLabel);        //四个播放功能键按钮        btnLast = new JButton();        btnPlay = new JButton();        btnNext = new JButton();        btnLoop = new JButton();        //位置大小        btnLast.setBounds(10, 70, 50, 40);        btnPlay.setBounds(70, 70, 50, 40);        btnNext.setBounds(130, 70, 50, 40);        btnLoop.setBounds(190, 70, 50, 40);        //设置图片        btnLast.setIcon( new ImageIcon("images2/1.png"));        btnPlay.setIcon( new ImageIcon("images2/2.png"));        btnNext.setIcon( new ImageIcon("images2/3.png"));        btnLoop.setIcon( new ImageIcon("images2/4.png"));        //添加到框架        getContentPane().add(btnLast);        getContentPane().add(btnPlay);        getContentPane().add(btnNext);        getContentPane().add(btnLoop);        //添加监听        MyMouseListener mml = new MyMouseListener();        btnLast.addMouseListener(mml);        btnPlay.addMouseListener(mml);        btnNext.addMouseListener(mml);        btnLoop.addMouseListener(mml);        //歌曲列表的标题        JLabel listLabel = new JLabel("播放列表");        listLabel.setBounds(10, 120, 100, 30);        Font listLabelFont = new Font("黑体",Font.BOLD,16);        listLabel.setFont(listLabelFont);        getContentPane().add(listLabel);        //歌曲列表        /*        songsList = new JList();        songsList.setBounds(10, 150, 250, 300);        songsList.setBackground(Color.CYAN);        //把所有歌曲名逐个添加到List中        //songsList.setListData(strSongNames);        for(int i=0;i<strSongNames.length;i++){            DefaultListModel dm = (DefaultListModel)songsList.getModel();            dm.add(i,strSongNames[i]);        }        getContentPane().add(songsList);        */        DefaultListModel lm = new DefaultListModel();        songsList = new JList(lm);        songsList.setBounds(10, 150, 250, 300);        songsList.setBackground(Color.CYAN);        //把所有歌曲名逐个添加到List中        //songsList.setListData(strSongNames);        songs = new AudioClip[strSongNames.length];        for(int i=0;i<strSongNames.length;i++){            lm.add(i,strSongNames[i]);            songs[i] = loadSound(strSongNames[i]);        }        getContentPane().add(songsList);        //lm.remove(3);        //对JList控件的监听技术实现        songsList.addListSelectionListener(new ListSelectionListener() {            @Override            public void valueChanged(ListSelectionEvent e) {                currentSong.stop();                index = songsList.getSelectedIndex();                isPlayOrStop = true;                playerThread = new Thread( new MusicRun() );                playerThread.start();            }        });        //单开一个线程，专用于播放音乐        playerThread = new Thread( new MusicRun() );        playerThread.start();        setVisible(true);    }    private AudioClip loadSound(String fileName) {        try {            URL url = new URL("file:songs\\"+fileName);            AudioClip au = Applet.newAudioClip(url);            return au;        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    //讲解音乐播放的基本技术    private void hello() {        try {            File f = new File("songs\\song1.wav");            URL url = f.toURI().toURL();            //URL url = new URL("file:songs\\song1.wav");            AudioClip au = Applet.newAudioClip(url);            au.play();            //au.loop();            //au.stop();        } catch (Exception e) {            e.printStackTrace();        }    }    private class MyMouseListener extends MouseAdapter{        @Override        public void mouseClicked(MouseEvent e) {            JButton btn = (JButton) e.getSource();            currentSong.stop();            if(btn==btnPlay){                isPlayOrStop = !isPlayOrStop;            }else if(btn==btnLast){                index--;                if(index<0){                    index = strSongNames.length-1;                }                //isPlayOrStop=true;            }else if(btn==btnNext){                index++;                index = index%strSongNames.length;            }else if(btn==btnLoop){                isLoop = !isLoop;            }            if(isPlayOrStop){//播放                playerThread = new Thread( new MusicRun() );                playerThread.start();            }else{//停止                songsList.setSelectedIndex(index);                songNameLabel.setText("停止播放:"+strSongNames[index]);                btnPlay.setIcon( new ImageIcon("images2/2.png"));            }        }    }    private class MusicRun implements Runnable{        @Override        public void run() {            currentSong = songs[index];            if(isLoop){                currentSong.loop();                songNameLabel.setText("循环播放:"+strSongNames[index]);            }            if (isPlayOrStop) {                currentSong.play();            }            //在播放列表中选定当前歌曲            songsList.setSelectedIndex(index);            //把播放按钮的图标切换成“停止”            btnPlay.setIcon( new ImageIcon("images2/5.png"));            if(!isLoop){                songNameLabel.setText("正在播放:"+strSongNames[index]);            }        }    }    public static void main(String[] args) {        new MusicPlayer();    }}
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