iOS实现mp3播放效果

一、工程图

二、代码

rootviewcontroller.h

#import <uikit/uikit.h>
//加入avfoundation.framework头文件
#import <avfoundation/avfoundation.h>

@interface rootviewcontroller : uiviewcontroller
<avaudioplayerdelegate>
{
  //播放器player
  avaudioplayer *avaudioplayer;
}

@end

rootviewcontroller.m

#import "rootviewcontroller.h"

//导入avfoundation.framework
#import <avfoundation/avfoundation.h>


@interface rootviewcontroller ()

@end

@implementation rootviewcontroller

- (id)initwithnibname:(nsstring *)nibnameornil bundle:(nsbundle *)nibbundleornil
{
  self = [super initwithnibname:nibnameornil bundle:nibbundleornil];
  if (self) {
    // custom initialization
  }
  return self;
}

- (void)viewdidload
{
  [super viewdidload];
  // do any additional setup after loading the view.
  
  self.title=@"mp3的播放";
}

-(void)initplay
{
  //从budle路径下读取音频文件
  nsstring *string = [[nsbundle mainbundle] pathforresource:@"母亲" oftype:@"mp3"];
  
  //把音频文件转换成url格式
  nsurl *url = [nsurl fileurlwithpath:string];
  
  //初始化音频类 并且添加播放文件
  avaudioplayer = [[avaudioplayer alloc] initwithcontentsofurl:url error:nil];
  
  //开始进行播放
  [avaudioplayer play];
  
  
}

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