播放背景音乐

通过下面的方式，播放一个音频文件作为背景音乐，可以控制背景音乐是否循环播放。

C++

#include "SimpleAudioEngine.h"
using namespace CocosDenshion;
auto audio = SimpleAudioEngine::getInstance();
// set the background music and continuously play it.
audio->playBackgroundMusic("mymusic.mp3", true);
// set the background music and play it just once.
audio->playBackgroundMusic("mymusic.mp3", false);

播放音效

通过下面的方式，将一个音频文件作为音效。

C++

#include "SimpleAudioEngine.h"
using namespace CocosDenshion;
auto audio = SimpleAudioEngine::getInstance();
// play a sound effect, just once.
audio->playEffect("myEffect.mp3", false, 1.0f, 1.0f, 1.0f);

原文: http://docs.cocos.com/cocos2d-x/manual/zh/audio/playing.html