import axios from 'axios';
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import { ElMessage } from 'element-plus';
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const audio = new Audio();
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const synthesizeSpeech = async (text) => {
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try {
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if (!text) {
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ElMessage.warning('请输入要转换的文字');
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return;
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}
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const result = await speechByBaidu(text);
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if (result) {
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audio.src = result;
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audio.play();
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} else {
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ElMessage.error('语音合成失败');
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}
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} catch (error) {
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ElMessage.error('语音合成发生错误');
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}
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};
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const API_KEY = 'GFTyCZOmwuMz91A8jpkLqV0x';
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const SECRET_KEY = '3Tcfi1DsyG4UzcT0ec1opLKtvIj1SIZe';
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// 获取百度 access token 的函数
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const getBaiduToken = function getAccessToken() {
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const options = {
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method: 'POST',
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url: '/api/baidu/speech_token?grant_type=client_credentials&client_id=' + API_KEY + '&client_secret=' + SECRET_KEY,
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};
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return new Promise((resolve, reject) => {
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axios(options)
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.then((res) => {
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resolve(res.data.access_token);
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})
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.catch((error) => {
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reject(error);
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});
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});
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};
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const createSpeechTask = async (text, token) => {
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const options = {
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method: 'POST',
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url: '/api/baidu/speech_synthesis/create?access_token=' + token,
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headers: {
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'Content-Type': 'application/json',
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Accept: 'application/json',
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},
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data: JSON.stringify({
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text: text,
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format: 'mp3-16k',
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voice: 0,
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lang: 'zh',
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speed: 5,
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pitch: 5,
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volume: 5,
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enable_subtitle: 0,
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}),
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};
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return new Promise((resolve, reject) => {
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axios(options)
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.then((response) => {
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resolve(response.data.task_id);
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})
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.catch((error) => {
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reject(error);
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});
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});
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};
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const querySpeechTask = async (taskId, token) => {
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const options = {
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method: 'POST',
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url: '/api/baidu/speech_synthesis/query?access_token=' + token,
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headers: {
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'Content-Type': 'application/json',
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Accept: 'application/json',
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},
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data: JSON.stringify({
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task_ids: [taskId],
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}),
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};
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return new Promise((resolve, reject) => {
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const checkStatus = async (resolve, reject) => {
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axios(options)
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.then(async (response) => {
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const taskStatus = response.data.tasks_info?.[0]?.task_status;
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if (!taskStatus) {
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reject(new Error('语音合成失败'));
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return;
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}
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const info = response.data.tasks_info?.[0];
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if (taskStatus === 'Success') {
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const url = info.task_result.speech_url;
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resolve(url);
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} else if (taskStatus === 'Running') {
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setTimeout(() => {
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checkStatus(resolve, reject);
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}, 1000);
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} else {
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reject(new Error('语音合成失败'));
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}
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})
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.catch((error) => {
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reject(error);
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});
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};
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checkStatus(resolve, reject);
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});
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};
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const speechByBaidu = async (text) => {
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const token = await getBaiduToken();
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const taskId = await createSpeechTask(text, token);
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const result = await querySpeechTask(taskId, token);
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return result as string;
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};
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