-(void)configureOnlineTTS{
    
    [[BDSSpeechSynthesizer sharedInstance] setApiKey:API_KEY withSecretKey:SECRET_KEY];
    
    [[AVAudioSession sharedInstance]setCategory:AVAudioSessionCategoryPlayback error:nil];
    [[BDSSpeechSynthesizer sharedInstance] setSynthParam:@(BDS_SYNTHESIZER_SPEAKER_FEMALE) forKey:BDS_SYNTHESIZER_PARAM_SPEAKER];
    
}


-(void)test : {
    // 获得合成器实例
    [[BDSSpeechSynthesizer sharedInstance] setSynthesizerDelegate:self];
	
	// 开始合成并播放
	NSError* speakError = nil;
	if([[BDSSpeechSynthesizer sharedInstance] speakSentence:@"您好" withError:&speakError] == -1){
		// 错误
		NSLog("错误: %ld, %@", (long)speakError.code, speakError.localizedDescription);
	}
	if([[BDSSpeechSynthesizer sharedInstance] speakSentence:@"今天天气真不错" withError:&speakError] == -1){
		// 错误
		NSLog("错误: %ld, %@", (long)speakError.code, speakError.localizedDescription);
	}
	if([[BDSSpeechSynthesizer sharedInstance] speakSentence:@"Today's weather is really good!" withError:&speakError] == -1){
		// 错误
		NSLog("错误: %ld, %@", (long)speakError.code, speakError.localizedDescription);
	}
}
	
	
	- (void)synthesizerStartWorkingSentence:(NSInteger)SynthesizeSentence
{
    NSLog(@"Began synthesizing sentence %ld", (long)SynthesizeSentence);
}

- (void)synthesizerFinishWorkingSentence:(NSInteger)SynthesizeSentence
{
    NSLog(@"Finished synthesizing sentence %ld", (long)SynthesizeSentence);
}

- (void)synthesizerSpeechStartSentence:(NSInteger)SpeakSentence
{
    NSLog(@"Began playing sentence %ld", (long)SpeakSentence);
}

- (void)synthesizerSpeechEndSentence:(NSInteger)SpeakSentence
{
    NSLog(@"Finished playing sentence %ld", (long)SpeakSentence);
}