Qt使用QSoundEffect类实现播放音效或音乐

#ifndef SOUNDEFFECTHELPER_H
#define SOUNDEFFECTHELPER_H

#include <QObject>
#include <QSoundEffect>
#include <QUrl>
#include <QDebug>

class SoundEffectHelper : public QObject
{
    Q_OBJECT
private:
    explicit SoundEffectHelper(QObject *parent = nullptr);
    SoundEffectHelper(const SoundEffectHelper&) = delete;
    SoundEffectHelper operator=(const SoundEffectHelper &) = delete;
public:
    typedef enum
    {
        musicKeyPress,
        musicFailed,
        musicSuccess,
        musicToast,
        musicMax,
    }music;
    static SoundEffectHelper *getInstance()
    {
        if(instance == nullptr)
            instance = new SoundEffectHelper();
        return instance;
    }
    void play(music m);
private:
    void valueInit();

private:
    static SoundEffectHelper *instance;
    QSoundEffect soundEffectBuf[musicMax];
};

#endif // SOUNDEFFECTHELPER_H

#include "soundEffectHelper.h"

SoundEffectHelper *SoundEffectHelper::instance = nullptr;

SoundEffectHelper::SoundEffectHelper(QObject *parent)
    : QObject{parent}
{
    this->valueInit();
    qDebug()<<"dsfsdfsd";
}
void SoundEffectHelper::valueInit()
{
    soundEffectBuf[musicKeyPress].setSource(QUrl::fromLocalFile(":/music/music/button.wav"));
    soundEffectBuf[musicKeyPress].setLoopCount(1);// 音频循环的次数
    soundEffectBuf[musicKeyPress].setVolume(1.0f);// 音量

    soundEffectBuf[musicFailed].setSource(QUrl::fromLocalFile(":/music/music/failed.wav"));
    soundEffectBuf[musicFailed].setLoopCount(1);// 音频循环的次数
    soundEffectBuf[musicFailed].setVolume(1.0f);// 音量

    soundEffectBuf[musicSuccess].setSource(QUrl::fromLocalFile(":/music/music/success.wav"));
    soundEffectBuf[musicSuccess].setLoopCount(1);// 音频循环的次数
    soundEffectBuf[musicSuccess].setVolume(1.0f);// 音量

    soundEffectBuf[musicToast].setSource(QUrl::fromLocalFile(":/music/music/toast.wav"));
    soundEffectBuf[musicToast].setLoopCount(1);// 音频循环的次数
    soundEffectBuf[musicToast].setVolume(1.0f);// 音量
}
void SoundEffectHelper::play(music m)
{
    if(m > musicMax)
    {
        qWarning()<<"invalid music value!";
        return;
    }
    soundEffectBuf[m].play();
}