我在 jar 文件中嵌入资源（媒体文件）时遇到问题。JButton我所做的是我创建了一个 java 播放器，当我选择它时将播放URL媒体java文件位于，也就是说，当我制作一个jar并将其分发给我的客户时，他们也可以播放视频文件，因为所有资源都嵌入在jar中，所以当我在Netbeans中运行应用程序时一切正常，但是当我制作一个 jar 文件，当所有资源都打包在 jar 中时，它也不会播放媒体文件。
下面是我的源代码，其中包含 main
Manish.java
package javamedia;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.net.URL;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Manish implements ActionListener {
JButton btn1, btn2, btn3, btn4, btn5, btn6, btn7, btn8, btn9, btn10, btn11, btn12;
JFrame frame;
JLabel label;
JPanel panel;
ImageIcon img1;
boolean flag = true;
public Manish() {
frame = new JFrame();
panel = new JPanel();
panel.setLayout(null);
frame.setSize(800, 500);
frame.setTitle("Practical Video's");
panel.setBackground(Color.GRAY);
//label settng
label.setBounds(0, 0, 785, 75);
panel.add(label);
btn1.setBounds(500, 100, 100, 25);
panel.add(btn1);
btn1.addActionListener(this);
frame.add(panel);
frame.setVisible(true);
}
public static void main(String[] args) {
new Manish();
}
public void actionPerformed(ActionEvent evt) {
Client2 cl;
if (evt.getSource() == btn1) {
cl = new Client2();
URL mediaURL = this.getClass().getResource("resources/z.mpg");
String file = mediaURL.toString();
cl.show();
cl.VedioAudioPlayer(file);
}
}
}
Client2.java（播放器代码）
package javamedia;
import java.util.*;
import java.net.*;
import java.io.*;
import javax.media.*;
import javax.swing.*;
import java.awt.*;
public class Client2 extends javax.swing.JFrame implements
ControllerListener, Runnable {
String filepath;
Player player;
Component visualComponent;
Component controlComponent;
Component progressBar;
boolean firstTime;
long CachingSize;
int controlPanelHeight;
int videoWidth;
int videoHeight;
/**
* Creates new form Client2
*/
public Client2() {
initComponents();
// setBounds(50,50,880,600);
setBounds(0, 0, 400, 325);
}
public void run() {
while (true) {
}
}
private void initComponents() {//GEN-BEGIN:initComponents
jPanel1 = new javax.swing.JPanel();
getFile = new javax.swing.JButton();
panel = new java.awt.Panel();
getContentPane().setLayout(null);
setTitle("Falcon Video Player");
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
exitForm(evt);
}
});
jPanel1.setLayout(null);
jPanel1.setBackground(new java.awt.Color(51, 51, 51));
getFile.setBackground(new java.awt.Color(204, 255, 204));
getFile.setForeground(new java.awt.Color(51, 51, 255));
getFile.setText("PlayFile");
getFile.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
getFileActionPerformed(evt);
}
});
getFile.setBounds(260, 130, 72, 26);
panel.setLayout(null);
panel.setName("panel");
jPanel1.add(panel);
panel.setBounds(15, 15, 700, 650);
getContentPane().add(jPanel1);
jPanel1.setBounds(0, 0, 880, 580);
pack();
}
private void FilesActionPerformed(java.awt.event.ActionEvent evt) {
}
private void peersActionPerformed(java.awt.event.ActionEvent evt) {
}
private void ExitButtonActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
private void getFileActionPerformed(java.awt.event.ActionEvent evt) {
}
/**
* Exit the Application
*/
private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
player.stop();
new Manish().frame.setVisible(false);
}
public void VedioAudioPlayer(String file) {
System.out.println("The Asking File is ready to Play");
player = null;
visualComponent = null;
controlComponent = null;
progressBar = null;
firstTime = true;
CachingSize = 0L;
controlPanelHeight = 0;
videoWidth = 0;
videoHeight = 0;
filepath = file;
init(filepath);
}
public void init(String filepath) {
MediaLocator medialocator = null;
Object obj = null;
if (filepath == null) {
Fatal("Invalid media file parameter");
}
try {
if ((medialocator = new MediaLocator(filepath)) == null) {
Fatal("Can't build URL for " + filepath);
}
try {
player = Manager.createPlayer(medialocator);
player.start();
player.addControllerListener(this);
player.realize();
} catch (NoPlayerException noplayerexception) {
System.out.println(noplayerexception);
Fatal("Could not create player for " + medialocator);
}
} catch (MalformedURLException _ex) {
Fatal("Invalid media file URL!");
} catch (IOException _ex) {
Fatal("IO exception creating player for " + medialocator);
}
}
public synchronized void controllerUpdate(ControllerEvent controllerevent) {
if (player == null) {
return;
}
if (controllerevent instanceof RealizeCompleteEvent) {
if (progressBar != null) {
panel.remove(progressBar);
progressBar = null;
}
int i = 320;
int j = 0;
if (controlComponent == null && (controlComponent = player.getControlPanelComponent())
!= null) {
controlPanelHeight = controlComponent.getPreferredSize().height;
panel.add(controlComponent);
j += controlPanelHeight;
}
if (visualComponent == null && (visualComponent = player.getVisualComponent()) != null) {
panel.add(visualComponent);
Dimension dimension = visualComponent.getPreferredSize();
videoWidth = dimension.width;
videoHeight = dimension.height;
i = videoWidth;
j += videoHeight;
visualComponent.setBounds(0, 0, videoWidth, videoHeight);
}
if (controlComponent != null) {
controlComponent.setBounds(0, videoHeight, i, controlPanelHeight);
controlComponent.invalidate();
}
} else if (controllerevent instanceof CachingControlEvent) {
if (player.getState() > 200) {
return;
}
CachingControlEvent cachingcontrolevent = (CachingControlEvent) controllerevent;
CachingControl cachingcontrol = cachingcontrolevent.getCachingControl();
if (progressBar == null && (progressBar = cachingcontrol.getControlComponent()) != null) {
panel.add(progressBar);
panel.setSize(progressBar.getPreferredSize());
validate();
}
} else if (controllerevent instanceof EndOfMediaEvent) {
player.setMediaTime(new Time(0L));
player.stop();
} else if (controllerevent instanceof ControllerErrorEvent) {
player = null;
Fatal(((ControllerErrorEvent) controllerevent).getMessage());
} else if (controllerevent instanceof ControllerClosedEvent) {
panel.removeAll();
}
}
void Fatal(String s) {
System.err.println("FATAL ERROR: " + s);
throw new Error(s);
}
public void destroy() {
if (player != null) {
player.close();
}
}
public void start() {
if (player != null) {
player.start();
}
}
public void stop() {
if (player != null) {
player.stop();
player.deallocate();
}
}
private javax.swing.JButton getFile;
private javax.swing.JLabel jLabel2;
private javax.swing.JPanel jPanel1;
public java.awt.Panel panel;
// End of variables declaration//GEN-END:variables
}