java编程播放midi音乐（摘录）

最新推荐文章于 2024-05-15 21:40:59 发布

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#音乐 #编程 #java #exception #import #thread

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本文介绍了一个使用Java实现的简单MIDI音乐播放器。该播放器能够读取MIDI文件，并通过循环播放机制实现连续播放效果。文章提供了完整的源代码示例。

package test;

import javax.sound.midi.*;
import javax.sound.sampled.*;
import java.io.*;

/**
* Title: 
* Description: 
* Copyright: Copyright (c) 2003
* Company: SinoSoft
* @author pete
* @version 1.0
*/

public class PlayMidi implements Runnable{
    File sound;
    Sequence seq;
    Sequencer midi;
    Thread runner;
    public PlayMidi(String f){
        try {
            sound=new File(f);
            seq=MidiSystem.getSequence(sound);
            midi=MidiSystem.getSequencer();
            midi.open();
            midi.setSequence(seq);
        }
        catch (Exception ex) {
        }
    }

    public void run(){
        try {
            while(true){
                if(!midi.isRunning())midi.start();
                Thread.sleep(1000);
            }
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    public void playMidi(){
        try
        {
            //midi.start();
            if(runner==null){
                runner=new Thread(this);
                runner.start();
            }
        }
        catch (Exception ex)
        {
        }
    }
    public void stopMidi(){
        try
        {
            runner.stop();
            runner=null;
            midi.stop();
        }
        catch (Exception ex)
        {
        }
    }

    public static void main(String[] args)
    {
        PlayMidi playMidi1 = new PlayMidi("mytest.mid");
        playMidi1.playMidi();
        playMidi1.stopMidi();
    }
}