Simple Audio player

Note: Button pictures and audio files (*.wav) need to go online to download the replacement (here is not easy to upload), what is the problem, you can leave a message ...

Import Java.applet.applet;import java.applet.audioclip;import Java.awt.color;import Java.awt.font;import Java.awt.list;import Java.awt.event.itemevent;import Java.awt.event.itemlistener;import java.awt.event.MouseEvent ; Import Java.awt.event.mouselistener;import Java.net.malformedurlexception;import Java.net.url;import Javax.swing.imageicon;import Javax.swing.jbutton;import Javax.swing.jframe;import Javax.swing.JLabel;public class Musicplayer extends JFrame {JLabel Songnamelabel = null;//with label display status//Four Play Function key button JButton btnlast = null;//previous song JButton BTNPL ay = null; Play/stop JButton btnnext = null; Next song JButton btnloop = null; Loop//Show song list JLabel Listlabel = null; List songslist = null; Audioclip[] songs;//The audio file in the array AudioClip currentsong;//the currently selected audio file//In this case, the song name is written dead. The students themselves can be extended: dynamically loaded by the user from the file dialog box string[] strsongnames = {"Song1.wav", "Song2.wav", "Song3.wav", "Song4.wav", "Song5.wav", " Song6.wav "}; String Strcurrentsongname; The name of the currently selected play song int index = 0; Records the ordinal of the currently selected song (the song that is currently playing), and the default first BooleanIsplayorstop = true;//record playback status (play/stop), default to play Boolean isloop = false; Record loop state, default to not loop play thread playerthread; Audio playback thread public Musicplayer () {super ("Music player"); This.setlayout (null); This.setbounds (300, 50, 310, 500); This.setdefaultcloseoperation (jframe.exit_on_close);//Tags: My music player/song name Songnamelabel = new JLabel (); Font songnamefont = new Font ("italic", Font.Italic), Songnamelabel.setfont (Songnamefont); Songnamelabel.settext (" My music player "); Songnamelabel.setbounds (ten, six, +); This.getcontentpane (). Add (Songnamelabel);//Four Play function button// Constructs four buttons btnlast = new JButton (); btnplay = new JButton (); btnnext = new JButton (); btnloop = new JButton ();//Set location and size btnlast.se Tbounds (Ten, 5, +), Btnplay.setbounds (190, 70,), Btnnext.setbounds (n, N, +); 0, 40);//Set Picture Btnlast.seticon (New ImageIcon ("1.png")), Btnplay.seticon (New ImageIcon ("2.png")), Btnnext.seticon (new ImageIcon ("3.png")); Btnloop.seticon (New ImageIcon ("4.png"));//Add monitoring to the button MouseListener MLC = new Mouselistenerc ();// Mouse Listener ObjectBtnlast.addmouselistener (MLC); Btnplay.addmouselistener (MLC); Btnnext.addmouselistener (MLC); Btnloop.addmouselistener (MLC);//Add to Frame Getcontentpane (). Add (Btnlast); Getcontentpane (). Add (Btnplay); Getcontentpane (). Add (Btnnext); Getcontentpane (). Add (Btnloop);//The following set song playlist//Set the playlist label Listlabel = new JLabel ("playlist "); Listlabel.setbounds (10, 120, 100, 30); Font listlabelfont = new Font ("Arial", Font.Bold,), Listlabel.setfont (Listlabelfont); This.getcontentpane (). Add ( Listlabel)///Set playlist control Songslist = new list (); Songslist.setbounds (max., +); Songslist.setbackground ( Color.cyan); songs = new audioclip[10];//loads the song according to the file name in for (int i = 0; i < strsongnames.length; i++) {Songs[i] = Loadso und (Strsongnames[i]);//load Audio file Songslist.add (strsongnames[i]);//Add song name to List}songslist.additemlistener (new ItemListener () {@Overridepublic void itemstatechanged (ItemEvent e) {currentsong.stop (); index = Songslist.getselectedindex ();p layerthread = new Thread (new Musicrun ());p Layerthread.start ();}); This.getcontentpaNE (). Add (songslist);p layerthread = new Thread (new Musicrun ());p Layerthread.start (); this.setvisible (true);} Private class Musicrun implements Runnable {@Overridepublic void run () {Currentsong = Songs[index];if (isloop) {Currentson G.loop ();} Strcurrentsongname = Strsongnames[index];songnamelabel.settext ("Playing:" + strcurrentsongname); SongsList.select ( index);//Select the current Play song entry in the playlist Btnplay.seticon (New ImageIcon ("5.png"));//Toggle to "Stop" icon if (isplayorstop) {Currentsong.play () ;}}} Private class Mouselistenerc implements MouseListener {@Overridepublic void mouseclicked (MouseEvent e) {JButton btn = (jbu Tton) E.getsource (); Currentsong.stop (); if (btn = = btnplay) {isplayorstop =!isplayorstop;} else if (btn = = btnlast) {Index --;if (Index < 0) {index = strsongnames.length-1;} Isplayorstop = True;isloop = false;}  else if (btn = = btnnext) {index++;index = index% Strsongnames.length;isplayorstop = True;isloop = false;} else if (btn = = Btnloop) {isloop =!isloop;} if (isplayorstop) {playerthread = new Thread(New Musicrun ());p layerthread.run ();} else {songnamelabel.settext ("Stop Playing:" + strcurrentsongname); Btnplay.seticon (New ImageIcon ("2.png");}} @Overridepublic void mousepressed (MouseEvent e) {} @Overridepublic void mousereleased (MouseEvent e) {} @Overridepublic void mouseentered (MouseEvent e) {} @Overridepublic void mouseexited (MouseEvent e) {}}public audioclip loadsound (String filename) {URL url = null;try {url = new URL ("file:" + filename);} catch (Malformedurlexception e) {e.printstacktrace ();} return Applet.newaudioclip (URL);} public static void Main (string[] args) {Musicplayer MP = new Musicplayer ();}}

Simple Audio player