131 lines
4.4 KiB
Java
131 lines
4.4 KiB
Java
package com.fuyuanshen.app.http;
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import com.alibaba.nls.client.AccessToken;
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import com.fuyuanshen.common.redis.utils.RedisUtils;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.time.Duration;
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import java.util.Base64;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import static cn.dev33.satoken.SaManager.log;
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public class HttpTtsClient {
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private String accessKeyId;
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private String accessKeySecret;
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private String appKey;
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/**
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* 阿里云TTS服务基础URL
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*/
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private static final String BASE_URL = "https://nls-gateway-cn-shanghai.aliyuncs.com/stream/v1/tts";
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public HttpTtsClient(String accessKeyId, String accessKeySecret, String appKey) {
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this.accessKeyId = accessKeyId;
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this.accessKeySecret = accessKeySecret;
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this.appKey = appKey;
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}
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private String refreshAccessToken() {
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try {
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// 调用阿里云API获取访问令牌
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AccessToken accessToken = new AccessToken(accessKeyId, accessKeySecret);
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accessToken.apply();
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String token = accessToken.getToken();
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log.info("访问令牌刷新成功");
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return token;
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} catch (Exception e) {
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log.error("刷新访问令牌失败: {}", e.getMessage(), e);
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return null;
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}
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}
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/**
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* 使用HTTP POST方式调用阿里云TTS服务生成MP3格式语音
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*/
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public byte[] synthesizeTextToMp3(String text) throws IOException {
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String endpoint = "https://nls-gateway-cn-shanghai.aliyuncs.com/stream/v1/tts";
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// 构建请求体
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// String requestBody = String.format(
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// "{\"appkey\":\"%s\",\"text\":\"%s\",\"voice\":\"zhifeng\",\"format\":\"MP3\",\"sample_rate\":24000,\"volume\":50,\"speech_rate\":0,\"pitch_rate\":0}",
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// appKey,
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// text.replace("\"", "\\\"")
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// );
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String token = refreshAccessToken();
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String requestBody = " {\n" +
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" \"appkey\":\""+appKey+"\",\n" +
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" \"text\":\""+text+"\",\n" +
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" \"token\":\""+token+"\",\n" +
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" \"format\":\"mp3\"\n" +
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" }";
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URL url = new URL(endpoint);
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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// 设置请求方法和头部
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conn.setRequestMethod("POST");
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conn.setRequestProperty("Content-Type", "application/json");
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conn.setRequestProperty("Authorization", buildAuthorization());
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conn.setRequestProperty("Content-Length", String.valueOf(requestBody.getBytes().length));
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conn.setDoOutput(true);
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// 发送请求体
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try (OutputStream os = conn.getOutputStream()) {
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os.write(requestBody.getBytes("UTF-8"));
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}
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// 读取响应
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int responseCode = conn.getResponseCode();
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if (responseCode == HttpURLConnection.HTTP_OK) {
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// 读取音频数据
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try (InputStream is = conn.getInputStream()) {
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ByteArrayOutputStream buffer = new ByteArrayOutputStream();
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int nRead;
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byte[] data = new byte[1024];
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while ((nRead = is.read(data, 0, data.length)) != -1) {
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buffer.write(data, 0, nRead);
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}
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return buffer.toByteArray();
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}
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} else {
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throw new IOException("HTTP请求失败，状态码: " + responseCode);
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}
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}
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/**
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* 构建授权头部
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*/
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private String buildAuthorization() {
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// 实际实现需要根据阿里云API规范构建签名
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// 这里是简化示例
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return "Bearer " + generateAccessToken();
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}
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/**
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* 生成访问令牌
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*/
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private String generateAccessToken() {
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// 实际实现需要调用阿里云获取token的API
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return "your-access-token";
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}
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/**
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* 保存MP3到文件
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*/
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public String saveMp3ToFile(String text, String outputPath) throws IOException {
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byte[] mp3Data = synthesizeTextToMp3(text);
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try (FileOutputStream fos = new FileOutputStream(outputPath)) {
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fos.write(mp3Data);
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}
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return outputPath;
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}
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}
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