//self.Player需要设置为全局的 AVAudioPlayer 播放没有声音的问题

- (void)playAudio

{

    NSString * pathUrl =self.model.audioCachesPath.length ? self.model.audioCachesPath : self.model.text_audio;

    // 设置外放声音

      AVAudioSession * session = [AVAudioSession sharedInstance];

      [sessionsetActive:YESerror:nil];

      [sessionsetCategory:AVAudioSessionCategoryPlayback error:nil];

      // 设置播放

      NSError*error=nil;

      self.Player=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL URLWithString:pathUrl]  error:&error];

      [self.Player prepareToPlay];

      if(error) {

          NSLog(@"创建播放器过程中发生错误，错误信息：%@",error.localizedDescription);

          return;

      }

      [self.Playerplay];

}