MediaPlayer代码，部分代码，合适请用：

import java.awt.*

import java.awt.event.*

import javax.swing.*

import javax.media.*

import java.io.*

import java.util.* //为了导入Vector

//import com.sun.java.swing.plaf.windows.*



public class MediaPlayer extends Jfr a me implements ActionListener,Runnable

{

private JMenuBar bar //菜单条

private JMenu fileMenu,choiceMenu,aboutMenu

private JMenuItem openItem,openDirItem,closeItem,about,infor

private JCheckBoxMenuItem onTop

private boolean top=false,loop //设定窗口是否在最前面

private Player player //Play是个实现Controller的接口

private File file,listFile //利用File类结合JFileChooser进行文件打开操作,后则与list.ini有关-MediaPlayer code, some code, appropriate use: import java.awt .* import java.awt.event .* import javax.swing .* import javax.media .* import java.io.* import java.util .*// in order to import Vector// import com.sun.java.swing.plaf.windows .* public class MediaPlayer extends Jfr a me implements ActionListener, Runnable (private JMenuBar bar// menu bar private JMenu fileMenu, choiceMenu, aboutMenu private JMenuItem openItem, openDirItem, closeItem, about, infor private JCheckBoxMenuItem onTop private boolean top = false, loop// set the window in the top private Player player// Play is a Controller Interface realize private File file, listFile// use File Class JFileChooser combine files to open operation, and after the relevant list.ini