package javaApplication3;
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, stopsound;
public JButton tjian, shanc, baocun, duqu;
public JPanel jp_shijian, jp_yinyue, jp_liebiao, jp_jindu;
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课题之音乐播放器篇");
soumd1 = new MediaPlayer();
Container c = getContentPane();
c.setLayout(new FlowLayout());
mingcheng = new Vector();
jp_shijian = new JPanel();
shijian = new JLabel();
jp_shijian.add(shijian);
c.add(jp_shijian);
playSound = new JButton("播放");
stopsound = new JButton("停止");
jp_yinyue = new JPanel();
jp_yinyue.add(playSound);
jp_yinyue.add(stopsound);
c.add(jp_yinyue);
jp_jindu = new JPanel();
sj1 = new JLabel();
sj2 = new JLabel();
sldDiameter = new JSlider(SwingConstants.HORIZONTAL, 0, 100, 0);
sldDiameter.setMajorTickSpacing(1);
sldDiameter.setPaintTicks(true);
jp_jindu.add(sj1);
jp_jindu.add(sldDiameter);
jp_jindu.add(sj2);
c.add(jp_jindu);
vector = new Vector();
jl = new JList(mingcheng); //构造一个 JList，使其显示指定 Vector 中的元素
jl.setVisibleRowCount(5);//设置 visibleRowCount 属性，对于不同的布局方向，此方法有不同的含义：对于 VERTICAL 布局方向，此方法设置要显示的首选行数（不要求滚动）；对于其他方向，它影响单元的包装
jl.setFixedCellHeight(40);//设置一个固定值，将用于列表中每个单元的高度
jl.setFixedCellWidth(265);
jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
c.add(new JScrollPane(jl));//视口。创建一个显示指定组件内容的 JScrollPane，只要组件的内容超过视图大小就会显示水平和垂直滚动条。
tjian = new JButton("添加");
shanc = new JButton("删除");
duqu = new JButton("导入");
baocun = new JButton("导出");
jp_liebiao = new JPanel();
jp_liebiao.add(tjian);
jp_liebiao.add(shanc);
jp_liebiao.add(baocun);
jp_liebiao.add(duqu);
c.add(jp_liebiao);
baocun.addActionListener(new ActionListener() {//用于接收操作事件的侦听器接口
public void actionPerformed(ActionEvent event) {
JFileChooser fileChooser = new JFileChooser();
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
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..弹出一个 "Save File" 文件选择器对话框..选择确认（yes、ok）后返回该值
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();
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) {
String fileName = fileChooser.getSelectedFile()
.getAbsolutePath();
try {
ObjectInputStream input = new ObjectInputStream(
new FileInputStream(fileName));
xinxi a1 = (xinxi) input.readObject();
mingcheng = a1.b;
vector = a1.a;
jl.setListData(mingcheng);
} catch (Exception e) {
e.printStackTrace();//将此 throwable 及其追踪输出至标准错误流。
}
}
}
});
playSound.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (jl.getSelectedIndex() >= 0) {//返回最小的选择单元索引；只选择了列表中单个项时，返回该选择。如果什么也没有选择，则返回 -1
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")) {//\s 空白字符：[ \t\n\x0B\f\r] ..\S 非空白字符：[^\s]([\\S\\s]*)
if (soumd1 != null) {
// a = 0;
b = 0;
you = 0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/" + yy);
soumd1.start();
geshi=true;
try {
Thread.sleep(500);//在指定的毫秒数内让当前正在执行的线程休眠（暂停执行），此操作受到系统计时器和调度程序精度和准确性的影响。
} catch (InterruptedException eee) {
}
zongmiao=(int)soumd1.getDuration().getSeconds();
String aa=fen(zongmiao);
sj2.setText(aa);
} else
JOptionPane.showMessageDialog(null,//JOptionPane 有助于方便地弹出要求用户提供值或向其发出通知的标准对话框..showMessageDialog 告知用户某事已发生。
"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;
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();
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
fileChooser.setCurrentDirectory(new File(""));
fileChooser
.setFileFilter(new javax.swing.filechooser.FileFilter() {// 设置当前文件过滤器
public boolean accept(File file) {
String name = file.getName().toLowerCase();
return name.endsWith(".mp3")
|| file.isDirectory();//测试此抽象路径名表示的文件是否是一个目录..当且仅当此抽象路径名表示的文件存在且 是一个目录时，返回 true
}
public String getDescription() {
return "音乐文件(*.mp3)";
}
});
if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) {
String fileName = fileChooser.getSelectedFile()
.getAbsolutePath();
vector.add(fileName);
StringBuffer buffer = mingzi(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);//播放列表已改变，此处当于刷新
}
}
});
jl.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent event) {//指示组件中发生鼠标动作的事件
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();
}
