//预加载

const char* fileName = "xxx.mp3";

#define audioEngine = SimpleAudioEngine::getInstance()
//预加载背景音乐
audioEngine->preloadBackgroundMusic(fileName);

//预加载音效
audioEngine->preloadEffect(fileName);

//设置

//设置背景音量大小
audioEngine->setBackgroundMusicVolume(float);

//设置音效音量
audioEngine->setEffectVolume(float);

//播放暂停

//播放背景音乐
audioEngine->playBackgroundMusic(fileName);

//播放音效
audioEngine->playEffect(fileName);

//暂停背景音乐
audioEngine->pauseBackgroundMuisc();

//暂停音效
audioEngine->pauseAllEffect();

//恢复背景音乐
audioEngine->resumeBackgroundMusic();

//恢复音效
audioEngine->resumeAllEffects();

//停止背景音乐
audioEngine->stopBackgroundMuisc();

//停止音效
audioEngine->stopAllEffects();