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漫画网站php源码,90设计网兼职,开发个app软件要多少钱,张店学校网站建设公司一、业务场景最近笔者在业务中涉及到语音告警的模块，需要讲告警内容以文件或流形式返回给前端进行语音播报，具体的分析与处理如下二、业务分析首先告警内容提示信息这里做的处理是通过专门字段去存储、编辑，根据拟定好的代码逻辑判断是…

一、业务场景

最近笔者在业务中涉及到语音告警的模块，需要讲告警内容以文件或流形式返回给前端进行语音播报，具体的分析与处理如下

二、业务分析

首先告警内容提示信息这里做的处理是通过专门字段去存储、编辑，根据拟定好的代码逻辑判断是否触发语音告警操作，比较重要的是考虑用那种api实现文字转语音功能，这里笔者选用的是阿里云的nls语音服务。

三、解决方案

1、pom文件引入

<dependency><groupId>com.alibaba.nls</groupId><artifactId>nls-sdk-tts</artifactId><version>2.2.1</version>
</dependency>

2、yml文件配置添加

#  nls语音配置
ali:nls:##产品相关信息app-key: access-key-id: access-key-secret: ##语音信息（声音类型、语速）voice: sijiapitch-rate: -68speech-rate: 0

3、实体类构建

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;@Data
@Component
@ConfigurationProperties(prefix = "ali.nls")
public class NlsProperties {private String appKey;private String accessKeyId;private String accessKeySecret;private String url;//发音人private String voice;//语调，范围是-500~500，可选，默认是0private Integer pitchRate;//语速，范围是-500~500，默认是0private Integer speechRate;}

4、config类构建

import com.demo.NlsProperties;
import com.demo.NlsTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.StringRedisTemplate;@Configuration
public class NlsAutoConfiguration {@Beanpublic NlsTemplate nlsTemplate(NlsProperties nlsProperties, StringRedisTemplate stringRedisTemplate){return new NlsTemplate(nlsProperties,stringRedisTemplate);}}

5、服务类构建

import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.alibaba.nls.client.AccessToken;
import com.alibaba.nls.client.protocol.OutputFormatEnum;
import com.alibaba.nls.client.protocol.SampleRateEnum;
import com.demo.NlsProperties;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import okhttp3.*;
import org.springframework.data.redis.core.StringRedisTemplate;
import java.io.*;
import java.util.Date;@Slf4j
@RequiredArgsConstructor
public class NlsTemplate {private final NlsProperties nlsProperties;private final StringRedisTemplate stringRedisTemplate;/*** HTTPS POST请求*/public byte[] processPOSTRequest(String text) {/*** 设置HTTPS POST请求：* 1.使用HTTPS协议* 2.语音合成服务域名：nls-gateway-cn-shanghai.aliyuncs.com* 3.语音合成接口请求路径：/stream/v1/tts* 4.设置必须请求参数：appkey、token、text、format、sample_rate* 5.设置可选请求参数：voice、volume、speech_rate、pitch_rate*/String url = "https://nls-gateway-cn-shenzhen.aliyuncs.com/stream/v1/tts";JSONObject taskObject = new JSONObject();taskObject.putOpt("appkey", nlsProperties.getAppKey());taskObject.putOpt("token", this.getToken());taskObject.putOpt("text", text);taskObject.putOpt("format", OutputFormatEnum.MP3.getName());taskObject.putOpt("voice", nlsProperties.getVoice());taskObject.putOpt("sample_rate", SampleRateEnum.SAMPLE_RATE_16K.value);// speech_rate 语速，范围是-500~500，可选，默认是0。taskObject.putOpt("speech_rate", nlsProperties.getSpeechRate());// pitch_rate 语调，范围是-500~500，可选，默认是0。taskObject.putOpt("pitch_rate", nlsProperties.getPitchRate());String bodyContent = JSONUtil.toJsonStr(taskObject);System.out.println("POST Body Content: " + bodyContent);RequestBody reqBody = RequestBody.create(MediaType.parse("application/json"), bodyContent);Request request = new Request.Builder().url(url).header("Content-Type", "application/json").post(reqBody).build();try {OkHttpClient client = new OkHttpClient();Response response = client.newCall(request).execute();String contentType = response.header("Content-Type");byte[] data = null;if ("audio/mpeg".equals(contentType)) {data = response.body().bytes();System.out.println("The POST request succeed!");} else {String errorMessage = response.body().string();System.out.println("The POST request failed: " + errorMessage);}response.close();if (data != null && data.length > 0) {//                String filePath = "D:/test.wav";  //音频文件保存路径及文件名
//                saveFile(data, filePath);  //调用函数将音频保存到本地return data;}} catch (Exception e) {e.printStackTrace();}return null;}/*** token暂存redis中*** */@SneakyThrowsprivate String getToken() {String key = "NLS_TOKEN";Boolean hasKey = stringRedisTemplate.hasKey(key);if (BooleanUtil.isTrue(hasKey)) {return stringRedisTemplate.opsForValue().get(key);}AccessToken token = new AccessToken(nlsProperties.getAccessKeyId(), nlsProperties.getAccessKeySecret());token.apply();String accessToken = token.getToken();stringRedisTemplate.opsForValue().set(key, accessToken);stringRedisTemplate.expireAt(key, new Date(token.getExpireTime() * 1000));return accessToken;}/*** 文件转换与生成** */public static void saveFile(byte[] bytes, String filePath) {try {FileOutputStream fos = new FileOutputStream(new File(filePath));fos.write(bytes);fos.close();} catch (IOException e) {e.printStackTrace();}}}