前提需要导入<AVFoundation/AVFoundation.h>框架

#import "ViewController.h"
#import <AVFoundation/AVFoundation.h>
#import "CXDAudioTool.h" //自定义播放工具类，根据传入音频文件名，设置声音@interface ViewController ()@property (nonatomic, assign) SystemSoundID soundID;/** 存放音效文件 */
@property (nonatomic, strong) NSMutableDictionary *soundIDs;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];
}- (IBAction)buyao {[CXDAudioTool playSoundWithSoundname:@"buyao.wav"];
}- (IBAction)bigWang:(id)sender {[CXDAudioTool playSoundWithSoundname:@"m_17.wav"];
}- (IBAction)smallWang:(id)sender {[CXDAudioTool playSoundWithSoundname:@"m_16.wav"];
}#pragma mark - 点击屏幕背景音效
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{AudioServicesPlayAlertSound(self.soundID);
}///懒加载
- (SystemSoundID)soundID
{if (_soundID == 0) {// 根据音效文件,来生成SystemSoundIDNSURL *url = [[NSBundle mainBundle] URLForResource:@"win.aac" withExtension:nil];CFURLRef urlRef = (__bridge CFURLRef)(url);AudioServicesCreateSystemSoundID(urlRef, &_soundID);}return _soundID;
}///懒加载
- (NSMutableDictionary *)soundIDs
{if (_soundIDs == nil) {_soundIDs = [NSMutableDictionary dictionary];}return _soundIDs;
}@end

#import <Foundation/Foundation.h>@interface CXDAudioTool : NSObject+ (void)playSoundWithSoundname:(NSString *)soundname;@end

#import "CXDAudioTool.h"
#import <AVFoundation/AVFoundation.h>@implementation CXDAudioToolstatic NSMutableDictionary *_soundIDs;+ (void)initialize
{_soundIDs = [NSMutableDictionary dictionary];
}+ (void)playSoundWithSoundname:(NSString *)soundname
{// 1.定义SystemSoundIDSystemSoundID soundID = 0;// 2.从字典中取出对应soundID,如果取出是nil,表示之前没有存放在字典soundID = [_soundIDs[soundname] unsignedIntValue];if (soundID == 0) {CFURLRef url = (__bridge CFURLRef)[[NSBundle mainBundle] URLForResource:soundname withExtension:nil];AudioServicesCreateSystemSoundID(url, &soundID);// 将soundID存入字典
        [_soundIDs setObject:@(soundID) forKey:soundname];}// 3.播放音效
    AudioServicesPlaySystemSound(soundID);
}@end