Question

大家好我想制作ProgressBar谁将加载直到歌曲开始... 我有这个代码，但是当歌曲开始时，ProgressBar会启动，并且它会在5秒内完成它。所以请有人帮我把它弄好......谢谢：）

package passwordsaver1;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.net.URL;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.swing.JOptionPane;

public final class Music extends javax.swing.JFrame {

void centreWindow() {
    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
    int x = (int) ((dimension.getWidth() - getWidth()) / 2);
    int y = (int) ((dimension.getHeight() - getHeight()) / 2);
    setLocation(x, y);
}

public Music(String mainAccName) {
    initComponents();
    centreWindow();
    setTitle("PasswordSaver - Music");
    this.mainAccName = mainAccName;
}
String mainAccName;

private void pitbullActionPerformed(java.awt.event.ActionEvent evt) {                                        
    try {
        URL url = new URL("http://mini-mk-market.com/music/PitBulll.wav");
        Clip clip = AudioSystem.getClip();
        AudioInputStream ais;
        ais = AudioSystem.getAudioInputStream(url);
        clip.open(ais);
        clip.loop(5);
        clip.start();
        new Thread(new Start()).start();
    } catch (Exception ex) {
        JOptionPane.showMessageDialog(null, "Can't find Internet Connection !");
    }
}

// this is just for testing does the song will stop after clicking the new... but cant..
private void afrojackActionPerformed(java.awt.event.ActionEvent evt) {
    try {
        URL url = new URL("http://mini-mk-market.com/music/PitBulll.wav");
        Clip clip = AudioSystem.getClip();
        AudioInputStream ais;
        ais = AudioSystem.getAudioInputStream(url);
        clip.open(ais);
        clip.loop(0);
        clip.start();
        new Thread(new Start()).start();
    } catch (Exception ex) {
        JOptionPane.showMessageDialog(null, "Can't find Internet Connection !");
    }
}

public static void main(String args[]) {
    try {
                for (javax.swing.UIManager.LookAndFeelInfo info:
                javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(Music.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(Music.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(Music.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(Music.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    }
    //</editor-fold>

    /* Create and display the form */
    java.awt.EventQueue.invokeLater(new Runnable() {
        @Override
        public void run() {
            //new Music().setVisible(true);
        }
    });
}

private class Start implements Runnable {

    @Override
    public void run() {
        for (int x = 0; x < 101; x++) {
            ProgressBar.setValue(x);
            ProgressBar.repaint();
            try {
                Thread.sleep(50);
            } catch (Exception ex) {
            }
        }
    }
}

Answer 1

您可能正在寻找ProgressMonitorInputStream。在How to Use Progress Monitors中进行了讨论，在ProgressMonitorDemo中进行了示例。

在进度条运行时阻塞线程

1 个答案: