1 @interfaceViewController () 2  3 { 4  5     // 合成器 6  7     AVSpeechSynthesizer *_synthesizer; 8  9     10 11     // 实例化说话的语言，说中文、英文12 13     AVSpeechSynthesisVoice *_voice;14 15 }

 1 - (void)viewDidLoad 2 { 3     [super viewDidLoad]; 4  5     // 实例化说话的语言，说中文 6     _voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"en-US"]; 7      8     // 要朗诵，需要一个语音合成器 9     _synthesizer = [[AVSpeechSynthesizer alloc] init];10 }

1      // 朗诵文本框中的内容2     // 实例化发声的对象，及朗读的内容3     AVSpeechUtterance *utterance = [AVSpeechUtterance speechUtteranceWithString:_textView.text];

1 　utterance.voice = _voice;2 3   utterance.rate = 0.3;

1    [_synthesizer speakUtterance:utterance];