-(IBAction) playSysSound:(id)sender {
         
        SystemSoundID sourceID;
        //調用NSBundle類的方法mainBundle返回一個NSBundle對象，該對象對應于當前程序可執(zhí)行二進制文件所屬的目錄
        NSString *soundFile = [[NSBundle mainBundle] pathForResource:@"soundeffect" ofType:@"wav"];
        //一個指向文件位置的CFURLRef對象和一個指向要設置的SystemSoundID變量的指針
        AudioServicesCreateSystemSoundID((CFURLRef) [NSURL fileURLWithPath:soundFile], &soundID);
        AudioServicesPlaySystemSound(soundID); 
    }

// 
//  WQPlaySound.h 
//  WQSound 
// 
//  Created by 念茜 on 12-7-20. 
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved. 
// 
 
#import <UIKit/UIKit.h> 
#import <AudioToolbox/AudioToolbox.h> 
 
@interface WQPlaySound : NSObject 
{ 
    SystemSoundID soundID; 
} 
 
/**
 *  @brief  為播放震動效果初始化
 *
 *  @return self
 */ 
-(id)initForPlayingVibrate; 
 
/**
 *  @brief  為播放系統(tǒng)音效初始化(無需提供音頻文件)
 *
 *  @param resourceName 系統(tǒng)音效名稱
 *  @param type 系統(tǒng)音效類型
 *
 *  @return self
 */ 
-(id)initForPlayingSystemSoundEffectWith:(NSString *)resourceName ofType:(NSString *)type; 
 
/**
 *  @brief  為播放特定的音頻文件初始化（需提供音頻文件）
 *
 *  @param filename 音頻文件名（加在工程中）
 *
 *  @return self
 */ 
-(id)initForPlayingSoundEffectWith:(NSString *)filename; 
 
/**
 *  @brief  播放音效
 */ 
-(void)play; 
 
@end 

// 
//  WQPlaySound.m 
//  WQSound 
// 
//  Created by 念茜 on 12-7-20. 
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved. 
// 
 
#import "WQPlaySound.h" 
 
@implementation WQPlaySound 
 
-(id)initForPlayingVibrate 
{ 
    self = [super init]; 
    if (self) { 
        soundID = kSystemSoundID_Vibrate; 
    } 
    return self;     
} 
 
-(id)initForPlayingSystemSoundEffectWith:(NSString *)resourceName ofType:(NSString *)type 
{ 
    self = [super init]; 
    if (self) { 
        NSString *path = [[NSBundle bundleWithIdentifier:@"com.apple.UIKit"] pathForResource:resourceName ofType:type]; 
        if (path) { 
            SystemSoundID theSoundID; 
            OSStatus error =  AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:path], &theSoundID); 
            if (error == kAudioServicesNoError) { 
                soundID = theSoundID; 
            }else { 
                NSLog(@"Failed to create sound "); 
            } 
        } 
         
    } 
    return self; 
} 
 
-(id)initForPlayingSoundEffectWith:(NSString *)filename 
{ 
    self = [super init]; 
    if (self) { 
        NSURL *fileURL = [[NSBundle mainBundle] URLForResource:filename withExtension:nil]; 
        if (fileURL != nil) 
        { 
            SystemSoundID theSoundID; 
            OSStatus error = AudioServicesCreateSystemSoundID((__bridge CFURLRef)fileURL, &theSoundID); 
            if (error == kAudioServicesNoError){ 
                soundID = theSoundID; 
            }else { 
                NSLog(@"Failed to create sound "); 
            } 
        } 
    } 
    return self; 
} 
 
-(void)play 
{ 
    AudioServicesPlaySystemSound(soundID); 
} 
 
-(void)dealloc 
{  
    AudioServicesDisposeSystemSoundID(soundID); 
} 
@end 

WQPlaySound *sound = [[WQPlaySound alloc]initForPlayingVibrate]; 
[sound play]; 

WQPlaySound *sound = [[WQPlaySound alloc]initForPlayingSystemSoundEffectWith:@"Tock" ofType:@"aiff"]; 
[sound play]; 

WQPlaySound *sound = [[WQPlaySound alloc]initForPlayingSoundEffectWith:@"tap.aif"]; 
[sound play];