java实现简单音乐播放器

本文实例为大家分享了java实现简单音乐播放器的具体代码，供大家参考，具体内容如下

主要是用到java中的swing技术，以及jmfjar中的api 

备注：需要用jdk1.8才能播放音乐mp3 

package baidu;
 
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.media.bean.playerbean.*; //这个包要用到jmf
 
public class mp3 extends jframe implements runnable {
public jlabel shijian;
 
private jslider slddiameter;
 
public mediaplayer soumd1;
 
public jbutton playsound, loopsound, stopsound;
 
public jbutton tjian, shanc, baocun, duqu;
 
public jpanel jp1, jp2, jp3, jp4;
 
public jlist jl;
 
int zongmiao=0;
 
public vector vector, mingcheng;
 
boolean fo = false, geshi = false;
 
jlabel jl1, jl2, sj1, sj2;
 
jtextfield jt1, jt2;
 
jbutton queding, xiugai;
 
int zong = 0;
 
int a = 0, b = 0, you = 1,mm=0;
 
int fenzhong, miaozhong;
 
public mp3() {
 super("java简单音乐播放器--严楷");
 soumd1 = new mediaplayer();
 container c = getcontentpane();
 c.setlayout(new flowlayout());
 mingcheng = new vector();
 jp1 = new jpanel();
 shijian = new jlabel();
 jp1.add(shijian);
 c.add(jp1);
 playsound = new jbutton("开始播放");
 loopsound = new jbutton("循环播放");
 stopsound = new jbutton("停止播放");
 jp2 = new jpanel();
 jp2.add(playsound);
 jp2.add(loopsound);
 jp2.add(stopsound);
 c.add(jp2);
 jp4 = new jpanel();
 sj1 = new jlabel();
 sj2 = new jlabel();
 slddiameter = new jslider(swingconstants.horizontal, 0, 100, 0);
 slddiameter.setmajortickspacing(1);
 slddiameter.setpaintticks(true);
 jp4.add(sj1);
 jp4.add(slddiameter);
 jp4.add(sj2);
 c.add(jp4);
 vector = new vector();
 jl = new jlist(mingcheng);
 jl.setvisiblerowcount(5);
 jl.setfixedcellheight(40);
 jl.setfixedcellwidth(265);
 jl.setselectionmode(listselectionmodel.single_selection);
 c.add(new jscrollpane(jl));
 tjian = new jbutton("添加");
 shanc = new jbutton("删除");
 duqu = new jbutton("读取");
 baocun = new jbutton("保存");
 jp3 = new jpanel();
 jp3.add(tjian);
 jp3.add(shanc);
 jp3.add(baocun);
 jp3.add(duqu);
 c.add(jp3);
 
 try {
  string s =" c:/users/administrator/music/卓依婷 - 萍聚.mp3";
  objectinputstream input = new objectinputstream(
   new fileinputstream(s));
  lujin a1 = (lujin) input.readobject();
  mingcheng = a1.b;
  vector = a1.a;
  jl.setlistdata(mingcheng);
 } catch (exception e) {
  system.out.println("c盘没有保存音乐文件");
  //e.printstacktrace();
 }
 
 baocun.addactionlistener(new actionlistener() {
  public void actionperformed(actionevent event) {
  jfilechooser filechooser = new jfilechooser(); // 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
   string filename = filechooser.getselectedfile()
    .getabsolutepath(); // 得到选择文件或目录的绝对路径
   mmm(vector, mingcheng, filename);
  }
  }
 });
 duqu.addactionlistener(new actionlistener() {
  public void actionperformed(actionevent event) {
  jfilechooser filechooser = new jfilechooser(); // 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
   string filename = filechooser.getselectedfile()
    .getabsolutepath(); // 得到选择文件或目录的绝对路径
   try {
   objectinputstream input = new objectinputstream(
    new fileinputstream(filename));
   lujin a1 = (lujin) input.readobject();
   mingcheng = a1.b;
   vector = a1.a;
   jl.setlistdata(mingcheng);
   } catch (exception e) {
   e.printstacktrace();
   }
  }
  }
 });
 playsound.addactionlistener(new actionlistener() {
  public void actionperformed(actionevent e) {
  if (jl.getselectedindex() >= 0) {
   string yy = (string) vector.get(jl.getselectedindex());
   file ff = new file(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 (interruptedexception eee) {
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    if(zongmiao>10000)
    {
    try {
     thread.sleep(500);
    } catch (interruptedexception ew) {
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    string aa=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(new actionlistener() {
  public void actionperformed(actionevent e) {
  if (jl.getselectedindex() >= 0) {
   string yy = (string) vector.get(jl.getselectedindex());
   file ff = new file(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 (interruptedexception we) {
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    if(zongmiao>10000)
    {
    try {
     thread.sleep(500);
    } catch (interruptedexception we) {
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    string aa=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(new actionlistener() {
  public void actionperformed(actionevent e) {
  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(new actionlistener() {
  public void actionperformed(actionevent event) {
  jfilechooser filechooser = new jfilechooser(); // 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(new file(".")); // 设置文件选择器当前目录
  filechooser
   .setfilefilter(new javax.swing.filechooser.filefilter() {
    public boolean accept(file file) { // 可接受的文件类型
    string name = file.getname().tolowercase();
    return name.endswith(".mp3")
     || file.isdirectory();
    }
    public string getdescription() { // 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
   string filename = filechooser.getselectedfile()
    .getabsolutepath(); // 得到选择文件或目录的绝对路径
   vector.add(filename);
   stringbuffer buffer = daoxu(filename);
   mingcheng.add(buffer);
  }
  }
 });
 shanc.addactionlistener(new actionlistener() {
  public void actionperformed(actionevent event) {
  if (jl.getselectedindex() >= 0) {
   mingcheng.removeelementat(jl.getselectedindex());
   vector.removeelementat(jl.getselectedindex());
   jl.setlistdata(mingcheng);
  }
  }
 });
 jl.addmouselistener(new mouseadapter() {
  public void mousepressed(mouseevent event) {
  if (event.getclickcount() == 2) {
   if (jl.getselectedindex() >= 0) {
   string yy = (string) vector.get(jl.getselectedindex());
   file ff = new file(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 (interruptedexception e) {
    }
    zongmiao=(int)soumd1.getduration().getseconds();
    if(zongmiao>10000)
    {
     try {
     thread.sleep(500);
     } catch (interruptedexception e) {
     }
    zongmiao=(int)soumd1.getduration().getseconds();
    }
    string aa=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) {
   int a = jl.getselectedindex();
   xiugai x = new xiugai();
   jt1.settext(mingcheng.get(jl.getselectedindex()) + "");
   jt2.settext(vector.get(jl.getselectedindex()) + "");
   }
  }
  }
 });
 addwindowlistener(new windowadapter() {
  public void windowclosing(windowevent e) {
  string s = "c:\\music.txt";
  mmm(vector, mingcheng, s);
  system.exit(0);
   }
 });
 setsize(300, 400);
 setvisible(true);
}
 
public void run() {
 while (true) {
  date now = new date();
  //shijian.settext("当前时间: " + now.getyear()+"年"+now.getmonth()+"月"+now.getdate()+"日"+now.gettime());
  shijian.settext("当前时间："+(new java.text.simpledateformat("yyyy-mm-dd hh:mm:ss")).format(new date())+"  严楷");
  try {
  thread.sleep(1000);
  } catch (interruptedexception e) {
  }
  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;
  }
  }
 }
}
 
public stringbuffer daoxu(string filename) {
 string mc = "";
 for (int i = filename.length(); i >= 1; i--) {
  if (filename.charat(i - 1) == '\\')
  break;
  mc += filename.charat(i - 1);
 }
 stringbuffer buffer = new stringbuffer(mc);
 stringbuffer mm = buffer.reverse();
 return mm;
}
 
public void mmm(vector vector, vector mingcheng, string lujin) {
 lujin a = new lujin(vector, mingcheng);
 try {
  objectoutputstream output = new objectoutputstream(new fileoutputstream(lujin));
  output.writeobject(a);
  output.flush();
  output.close();
 } catch (exception e) {
 
 }
}
public string fen(int yy) {
  fenzhong = (int) yy / 60;
  miaozhong = (int) yy % 60;
  string sss = fenzhong + ":" + miaozhong;
  return sss;
}
 
public static void main(string agrs[]) {
 mp3 s = new mp3();
 thread t1 = new thread(s);
 t1.start();
 s.setdefaultcloseoperation(jframe.exit_on_close);
}
 
class xiugai extends jframe {
 public xiugai() {
  jl1 = new jlabel("文件名");
  jt1 = new jtextfield(20);
  jl2 = new jlabel("文件路径");
  jt2 = new jtextfield(20);
  xiugai = new jbutton("修改");
  container c = getcontentpane();
  c.setlayout(new gridlayout(3, 1));
  jpanel j1 = new jpanel();
  jpanel j2 = new jpanel();
  jpanel j3 = new jpanel();
  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(new actionlistener() {
  public void actionperformed(actionevent event) {
   mingcheng.setelementat(jt1.gettext(), jl.getselectedindex());
   vector.setelementat(jt2.gettext(), jl.getselectedindex());
   jl.setlistdata(mingcheng);
   dispose();
  }
  });
  setsize(300, 120);
  setvisible(true);
 }
}
}
 
class lujin implements serializable {
 
vector a = new vector();
 
vector b = new vector();
 
public lujin(vector vector, vector mingcheng) {
 a = vector;
 b = mingcheng;
}
 
}

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