播放MP3
// MARK: - 播放MP3 /*----- mp3 ------*/ //定时器- func updateTime() { //获取音频播放器播放的进度,单位秒 var cuTime:Float = Float(audioPlayer.currentTime) //更新进度条 jinDuSlider.value = cuTime //获取总时间 var duTime:Float = Float(audioPlayer.duration) //播放时间秒数,换算成:时、分、秒 var hour1:Int = Int(cuTime/(*)) var minute1:Int = Int(cuTime/) var second1:Int = Int(cuTime%) //总时间秒数,换算成:时、分、秒 var hour2:Int = Int(duTime/(*)) var minute2:Int = Int(duTime/) var second2:Int = Int(duTime%) //label显示 // timeLabel.text = NSString(format: "%.2d:%.2d:%.2d / %.2d:%.2d:%.2d",hour1,minute1,second1,hour2,minute2,second2) //2015年5月2后修改 timeLabel.text = NSString(format: "%.2d:%.2d:%.2d / %.2d:%.2d:%.2d",hour1,minute1,second1,hour2,minute2,second2) as String } //播放按钮事件 @IBAction func audioPlayButton() { if audioPlayer.playing { return;//如果已在播放,跳出 } //开始播放音频文件 audioPlayer.play() //设置进图条最小是=0 jinDuSlider.minimumValue = 0.0; //设置进度条最大值等于声音的描述 jinDuSlider.maximumValue = Float(audioPlayer.duration) //启动定时器 定时更新进度条和时间label 在updateTime方法中实现 _timer = NSTimer.scheduledTimerWithTimeInterval(0.5, target: self, selector: "updateTime", userInfo: nil, repeats: true) } //暂停 @IBAction func audioPauseButton(sender:UIButton) { var title = sender.titleForState(UIControlState.Normal) if title == "Pause" && audioPlayer.playing { audioPlayer.pause() sender.setTitle("Continue", forState: UIControlState.Normal) } else if title == "Continue" { sender.setTitle("Pause", forState: UIControlState.Normal) audioPlayer.play() } } //停止 @IBAction func audioStopButton(sender:UIButton) { if(audioPlayer.playing) { audioPlayer.stop() audioPlayer.currentTime=; timeLabel.text = ""; } } //调 进度 @IBAction func jinDuChange(sender:UISlider) { //获取jinDuSlider的值来设置音频播放器进度 audioPlayer.currentTime = NSTimeInterval(jinDuSlider.value) //播放器播放 audioPlayer.play() } //控制声音 @IBAction func audioSoundChange(sender:UISlider) { //获取UISlider对象的值,并设置audioPlayer.volume audioPlayer.volume = sender.value aLabel.text = "\(sender.value)" } //播放代理AVAudioPlayerDelegate func audioPlayerDidFinishPlaying(player: AVAudioPlayer!, successfully flag: Bool) { //成功播放完毕结束 } func audioPlayerDecodeErrorDidOccur(player: AVAudioPlayer!, error: NSError!) { //音频播放器的解码错误 } //@availability(iOS, introduced=2.2, deprecated=8.0) func audioPlayerBeginInterruption(player: AVAudioPlayer!) { //音频播放器开始中断 } //@availability(iOS, introduced=6.0, deprecated=8.0) func audioPlayerEndInterruption(player: AVAudioPlayer!, withOptions flags: Int) { //音频播放结束中断 } /*-----mp3 end------*/