实现效果图：
代码如下
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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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原文链接：http://blog.csdn.net/weixin_37720904/article/details/71743170