//方法一（要符合RIFF規范）
1 QSound::play("E:/Projects/報警聲1-1.wav");
//方法二（要符合RIFF規范）
1 QSoundEffect in_effect;
2 in_effect.setSource(QUrl::fromLocalFile("E:/Projects/報警聲1-1.wav"));
3 in_effect.setLoopCount(QSoundEffect::Infinite);
4 in_effect.setVolume(0.25f);
5 in_effect.play();
//方法三（要符合RIFF規范）
1 QFile in_wavFile;
2 in_wavFile.setFileName("E:/Projects/報警聲2-1.wav");
3 in_wavFile.open(QIODevice::ReadOnly);
4 QAudioFormatin_audioFormat;
5 in_audioFormat.setSampleRate(44100);
6 in_audioFormat.setChannelCount(2);
7 in_audioFormat.setSampleSize(16);
8 in_audioFormat.setCodec("audio/pcm");
9 in_audioFormat.setByteOrder(QAudioFormat::LittleEndian);
10 in_audioFormat.setSampleType(QAudioFormat::UnSignedInt);
11 QAudioOutput*in_audio=newQAudioOutput(in_audioFormat,0);
12 in_audio->start(&in_wavFile);
//方法四（限MP3格式編碼的wav文件）
1 QMediaPlayer *in_player = new QMediaPlayer;
2 in_player->setMedia(QUrl::fromLocalFile("E:/Projects/報警聲2-1.wav"));
3 in_player->setVolume(50);
4 in_player->play();
