利用java制作简单的音乐播放器

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;
}

}