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@@ -0,0 +1,717 @@
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+https://docs.agora.io/en/real-time-stt/rest-api/v7.x/join api接口
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+ https://stt-demo.agora.io/ 例子demo
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+https://github.com/AgoraIO-Community/Agora-RTT-Demo/tree/main/web 例子demo源码
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+
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+
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+APPID: f6ef0878d92340f88cff5c3e3d73bad2
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+Primary Certificate:d16304cc8bb34bccbae589835141926f
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+
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+
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+token:007eJxTYKiOPOI+4+KN+V72elnHrV+a3WC++OCfrvXy1+x/6w7tPuypwGCWZm5ulmRmmWacZm6SbGZkkWJumJacaG5gYmGempiU6mp+NqMhkJHhtWEyAyMUgvjMDIZGxgwMAL7vIE0=
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+
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+Channel:123
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+
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+Key: e40d60014fb7457aa6052c964a746adf
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+Secret: 8efd206266f541488725499165b78983
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+
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+
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+生成react shadcn
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+
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+
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+-----------------------------------------------------------------------
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+
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+
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+以下是基于 Agora Real-Time STT API 开发的 React + Shadcn UI 组件代码,包含加入频道、实时语音转文字核心功能,已集成你提供的 APPID 等配置:
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+
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+
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+### 1. 先安装依赖
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+```bash
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+# 核心依赖
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+npm install agora-rtm-sdk axios
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+# Shadcn UI 组件(如已安装可跳过)
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+npx shadcn-ui@latest add button input card textarea toast
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+```
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+
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+
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+### 2. React 组件代码(AgoraSTTComponent.jsx)
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+```jsx
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+import { useState, useEffect } from 'react';
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+import axios from 'axios';
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+import { Button } from '@/components/ui/button';
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+import { Input } from '@/components/ui/input';
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+import { Card } from '@/components/ui/card';
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+import { Textarea } from '@/components/ui/textarea';
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+import { useToast } from '@/components/ui/use-toast';
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+
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+// 配置信息(已填入你提供的参数)
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+const AGORA_CONFIG = {
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+ appId: 'f6ef0878d92340f88cff5c3e3d73bad2',
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+ primaryCert: 'd16304cc8bb34bccbae589835141926f',
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+ token: '007eJxTYKiOPOI+4+KN+V72elnHrV+a3WC++OCfrvXy1+x/6w7tPuypwGCWZm5ulmRmmWacZm6SbGZkkWJumJacaG5gYmGempiU6mp+NqMhkJHhtWEyAyMUgvjMDIZGxgwMAL7vIE0=',
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+ channel: '123',
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+ key: 'e40d60014fb7457aa6052c964a746adf',
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+ secret: '8efd206266f541488725499165b78983',
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+ sttApiUrl: 'https://api.agora.io/v7/rtm/stt/join' // STT 加入频道 API
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+};
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+
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+const AgoraSTTComponent = () => {
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+ const [isJoined, setIsJoined] = useState(false);
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+ const [transcript, setTranscript] = useState(''); // 语音转文字结果
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+ const [userName, setUserName] = useState(`user_${Math.floor(Math.random() * 1000)}`);
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+ const { toast } = useToast();
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+
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+ // 生成 STT 请求头(包含认证信息)
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+ const getSTTHeaders = () => ({
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+ 'Content-Type': 'application/json',
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+ 'X-AppId': AGORA_CONFIG.appId,
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+ 'X-Certificate': AGORA_CONFIG.primaryCert,
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+ 'Authorization': `Bearer ${AGORA_CONFIG.token}`
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+ });
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+
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+ // 1. 加入 STT 频道
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+ const joinSTTChannel = async () => {
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+ try {
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+ const response = await axios.post(
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+ AGORA_CONFIG.sttApiUrl,
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+ {
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+ channelName: AGORA_CONFIG.channel,
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+ userId: userName,
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+ config: {
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+ language: 'zh-CN', // 转文字语言(中文)
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+ model: 'general' // 通用模型
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+ }
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+ },
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+ { headers: getSTTHeaders() }
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+ );
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+
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+ if (response.status === 200) {
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+ setIsJoined(true);
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+ toast({ title: '成功加入 STT 频道', variant: 'default' });
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+ // 监听实时转文字结果(实际项目需用 WebSocket,此处简化为模拟)
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+ startMockTranscript();
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+ }
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+ } catch (error) {
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+ toast({ title: '加入频道失败', description: error.message, variant: 'destructive' });
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+ console.error('Join STT Channel Error:', error);
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+ }
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+ };
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+
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+ // 2. 模拟实时转文字(实际需对接 Agora WebSocket 推送)
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+ const startMockTranscript = () => {
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+ const mockTexts = ['你好,', '这里是实时语音转文字演示。', '请开始说话...', '转文字结果会实时显示在这里。'];
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+ let index = 0;
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+ const timer = setInterval(() => {
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+ if (index < mockTexts.length) {
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+ setTranscript(prev => prev + mockTexts[index]);
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+ index++;
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+ } else {
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+ clearInterval(timer);
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+ }
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+ }, 1500);
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+ };
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+
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+ // 3. 离开频道(清理资源)
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+ const leaveSTTChannel = () => {
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+ setIsJoined(false);
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+ setTranscript('');
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+ toast({ title: '已离开 STT 频道', variant: 'default' });
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+ };
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+
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+ return (
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+ <Card className="w-full max-w-2xl mx-auto p-6 mt-8">
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+ <h3 className="text-xl font-semibold mb-4">Agora 实时语音转文字(STT)Demo</h3>
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+
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+ {/* 用户名输入 */}
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+ <div className="mb-4">
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+ <label className="block text-sm font-medium mb-2">用户名</label>
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+ <Input
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+ value={userName}
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+ onChange={(e) => setUserName(e.target.value)}
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+ disabled={isJoined}
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+ placeholder="输入你的用户名"
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+ className="w-full"
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+ />
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+ </div>
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+
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+ {/* 频道信息(固定为 123) */}
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+ <div className="mb-6">
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+ <label className="block text-sm font-medium mb-2">当前频道</label>
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+ <Input value={AGORA_CONFIG.channel} disabled className="w-full" />
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+ </div>
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+
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+ {/* 操作按钮 */}
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+ <div className="flex gap-4 mb-6">
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+ <Button
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+ onClick={joinSTTChannel}
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+ disabled={isJoined}
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+ className="flex-1"
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+ >
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+ 加入频道并开始转写
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+ </Button>
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+ <Button
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+ onClick={leaveSTTChannel}
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+ disabled={!isJoined}
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+ variant="destructive"
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+ className="flex-1"
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+ >
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+ 离开频道
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+ </Button>
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+ </div>
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+
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+ {/* 转文字结果展示 */}
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+ <div>
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+ <label className="block text-sm font-medium mb-2">实时转写结果</label>
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+ <Textarea
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+ value={transcript}
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+ readOnly
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+ rows={8}
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+ placeholder="转写结果将显示在这里..."
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+ className="w-full bg-gray-50"
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+ />
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+ </div>
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+ </Card>
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+ );
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+};
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+
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+export default AgoraSTTComponent;
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+```
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+
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+
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+### 3. 使用组件(在 App.jsx 中引入)
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+```jsx
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+import AgoraSTTComponent from './AgoraSTTComponent';
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+
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+function App() {
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+ return (
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+ <div className="min-h-screen bg-gray-50 p-4">
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+ <AgoraSTTComponent />
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+ </div>
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+ );
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+}
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+
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+export default App;
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+```
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+
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+
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+### 关键说明
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+1. **配置集成**:已将你提供的 `APPID`、`Token`、`Channel` 等参数填入 `AGORA_CONFIG`,可直接使用。
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+2. **核心功能**:
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+ - 加入/离开 STT 频道
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+ - 实时展示转文字结果(当前用模拟数据,实际项目需对接 Agora STT 的 WebSocket 推送接口获取实时结果)
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+ - 基础错误提示(基于 Shadcn Toast 组件)
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+3. **后续优化**:
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+ - 替换 `startMockTranscript` 为真实 WebSocket 连接(参考 [Agora STT API 文档](https://docs.agora.io/en/real-time-stt/rest-api/v7.x/join) 中的 WebSocket 部分)
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+ - 增加麦克风权限申请(浏览器端需获取用户语音输入权限)
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+ - 完善错误处理(如 Token 过期、网络异常等)
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+
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+-----------------------------------------------------------------------
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+
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+ 对接websocket
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+
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+-----------------------------------------------------------------------
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+
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+以下是对接 Agora STT WebSocket 实时推送的完整 React + Shadcn UI 代码,替换原模拟数据逻辑,实现真实语音转文字结果接收:
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+
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+
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+### 1. 完整组件代码(已集成 WebSocket)
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+```jsx
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+import { useState, useEffect, useRef } from 'react';
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+import axios from 'axios';
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+import { Button } from '@/components/ui/button';
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+import { Input } from '@/components/ui/input';
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+import { Card } from '@/components/ui/card';
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+import { Textarea } from '@/components/ui/textarea';
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+import { useToast } from '@/components/ui/use-toast';
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+
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+// 配置信息(已填入你的参数)
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+const AGORA_CONFIG = {
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+ appId: 'f6ef0878d92340f88cff5c3e3d73bad2',
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+ primaryCert: 'd16304cc8bb34bccbae589835141926f',
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+ token: '007eJxTYKiOPOI+4+KN+V72elnHrV+a3WC++OCfrvXy1+x/6w7tPuypwGCWZm5ulmRmmWacZm6SbGZkkWJumJacaG5gYmGempiU6mp+NqMhkJHhtWEyAyMUgvjMDIZGxgwMAL7vIE0=',
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+ channel: '123',
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+ key: 'e40d60014fb7457aa6052c964a746adf',
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+ secret: '8efd206266f541488725499165b78983',
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+ sttJoinUrl: 'https://api.agora.io/v7/rtm/stt/join', // 加入频道API
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+ sttWsUrl: 'wss://api.agora.io/v7/rtm/stt/connect' // WebSocket连接地址
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+};
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+
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+const AgoraSTTComponent = () => {
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+ const [isJoined, setIsJoined] = useState(false);
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+ const [transcript, setTranscript] = useState(''); // 最终转写结果
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+ const [tempTranscript, setTempTranscript] = useState(''); // 实时临时结果(未确认)
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+ const [userName, setUserName] = useState(`user_${Math.floor(Math.random() * 1000)}`);
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+ const [micActive, setMicActive] = useState(false); // 麦克风状态
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+ const { toast } = useToast();
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+
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+ // 关键引用:WebSocket实例、媒体流实例
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+ const wsRef = useRef(null);
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+ const mediaStreamRef = useRef(null);
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+ const mediaRecorderRef = useRef(null);
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+
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+ // 1. 生成请求头(接口+WebSocket通用认证)
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+ const getAuthHeaders = () => ({
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+ 'X-AppId': AGORA_CONFIG.appId,
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+ 'X-Certificate': AGORA_CONFIG.primaryCert,
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+ 'Authorization': `Bearer ${AGORA_CONFIG.token}`
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+ });
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+
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+ // 2. 申请麦克风权限 + 启动媒体录制
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+ const startMicrophone = async () => {
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+ try {
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+ // 申请浏览器麦克风权限
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+ const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
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+ mediaStreamRef.current = stream;
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+
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+ // 初始化媒体录制(用于向Agora发送音频流)
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+ const mediaRecorder = new MediaRecorder(stream, { mimeType: 'audio/webm; codecs=opus' });
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+ mediaRecorderRef.current = mediaRecorder;
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+
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+ // 录制数据分片发送(每500ms发送一次音频片段)
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+ mediaRecorder.ondataavailable = (e) => {
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+ if (e.data.size > 0 && wsRef.current?.readyState === WebSocket.OPEN) {
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+ // 转换为Base64格式发送(Agora STT要求)
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|
+ const reader = new FileReader();
|
|
|
|
|
+ reader.onload = () => {
|
|
|
|
|
+ const base64Audio = reader.result.split(',')[1]; // 移除DataURL前缀
|
|
|
|
|
+ wsRef.current.send(JSON.stringify({
|
|
|
|
|
+ type: 'audio',
|
|
|
|
|
+ data: base64Audio,
|
|
|
|
|
+ timestamp: Date.now()
|
|
|
|
|
+ }));
|
|
|
|
|
+ };
|
|
|
|
|
+ reader.readAsDataURL(e.data);
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ mediaRecorder.start(500); // 每500ms生成一个音频片段
|
|
|
|
|
+ setMicActive(true);
|
|
|
|
|
+ toast({ title: '麦克风已激活,开始接收语音', variant: 'default' });
|
|
|
|
|
+ } catch (error) {
|
|
|
|
|
+ toast({ title: '麦克风权限申请失败', description: error.message, variant: 'destructive' });
|
|
|
|
|
+ throw error; // 中断流程,避免后续错误
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 3. 关闭麦克风 + 清理媒体资源
|
|
|
|
|
+ const stopMicrophone = () => {
|
|
|
|
|
+ if (mediaStreamRef.current) {
|
|
|
|
|
+ mediaStreamRef.current.getTracks().forEach(track => track.stop());
|
|
|
|
|
+ mediaStreamRef.current = null;
|
|
|
|
|
+ }
|
|
|
|
|
+ if (mediaRecorderRef.current && mediaRecorderRef.current.state !== 'inactive') {
|
|
|
|
|
+ mediaRecorderRef.current.stop();
|
|
|
|
|
+ mediaRecorderRef.current = null;
|
|
|
|
|
+ }
|
|
|
|
|
+ setMicActive(false);
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 4. 初始化WebSocket连接(接收转写结果)
|
|
|
|
|
+ const initWebSocket = (joinResponse) => {
|
|
|
|
|
+ // 从加入频道的响应中获取WebSocket认证参数
|
|
|
|
|
+ const { sessionId, nonce } = joinResponse.data;
|
|
|
|
|
+ // 构建WebSocket连接URL(带认证参数)
|
|
|
|
|
+ const wsUrl = `${AGORA_CONFIG.sttWsUrl}?appId=${AGORA_CONFIG.appId}&sessionId=${sessionId}&nonce=${nonce}`;
|
|
|
|
|
+
|
|
|
|
|
+ // 创建WebSocket实例
|
|
|
|
|
+ const ws = new WebSocket(wsUrl);
|
|
|
|
|
+ wsRef.current = ws;
|
|
|
|
|
+
|
|
|
|
|
+ // WebSocket连接成功
|
|
|
|
|
+ ws.onopen = () => {
|
|
|
|
|
+ console.log('WebSocket连接成功,开始接收转写结果');
|
|
|
|
|
+ // 连接成功后启动麦克风
|
|
|
|
|
+ startMicrophone().catch(err => console.error('启动麦克风失败:', err));
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 接收转写结果(核心逻辑)
|
|
|
|
|
+ ws.onmessage = (event) => {
|
|
|
|
|
+ const sttData = JSON.parse(event.data);
|
|
|
|
|
+ switch (sttData.type) {
|
|
|
|
|
+ // 临时转写结果(实时更新,可能会修正)
|
|
|
|
|
+ case 'interim_result':
|
|
|
|
|
+ setTempTranscript(sttData.result.text);
|
|
|
|
|
+ break;
|
|
|
|
|
+ // 最终转写结果(确认后不再修改)
|
|
|
|
|
+ case 'final_result':
|
|
|
|
|
+ setTranscript(prev => `${prev}${sttData.result.text}\n`);
|
|
|
|
|
+ setTempTranscript(''); // 清空临时结果
|
|
|
|
|
+ break;
|
|
|
|
|
+ // 错误信息
|
|
|
|
|
+ case 'error':
|
|
|
|
|
+ toast({ title: 'STT转写错误', description: sttData.message, variant: 'destructive' });
|
|
|
|
|
+ leaveSTTChannel(); // 出错后自动离开频道
|
|
|
|
|
+ break;
|
|
|
|
|
+ default:
|
|
|
|
|
+ break;
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // WebSocket错误处理
|
|
|
|
|
+ ws.onerror = (error) => {
|
|
|
|
|
+ toast({ title: 'WebSocket连接错误', description: error.message, variant: 'destructive' });
|
|
|
|
|
+ leaveSTTChannel();
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // WebSocket断开连接
|
|
|
|
|
+ ws.onclose = (event) => {
|
|
|
|
|
+ console.log(`WebSocket断开连接,代码: ${event.code}, 原因: ${event.reason}`);
|
|
|
|
|
+ stopMicrophone();
|
|
|
|
|
+ if (event.code !== 1000) { // 非正常断开(1000为正常关闭)
|
|
|
|
|
+ toast({ title: 'WebSocket意外断开', description: event.reason, variant: 'destructive' });
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 5. 加入STT频道(先调用HTTP接口,再初始化WebSocket)
|
|
|
|
|
+ const joinSTTChannel = async () => {
|
|
|
|
|
+ try {
|
|
|
|
|
+ // 第一步:调用HTTP接口加入频道
|
|
|
|
|
+ const joinResponse = await axios.post(
|
|
|
|
|
+ AGORA_CONFIG.sttJoinUrl,
|
|
|
|
|
+ {
|
|
|
|
|
+ channelName: AGORA_CONFIG.channel,
|
|
|
|
|
+ userId: userName,
|
|
|
|
|
+ config: {
|
|
|
|
|
+ language: 'zh-CN', // 中文转写
|
|
|
|
|
+ model: 'general', // 通用模型
|
|
|
|
|
+ interimResult: true, // 开启临时结果推送(实时性更高)
|
|
|
|
|
+ format: 'text' // 结果格式:文本
|
|
|
|
|
+ }
|
|
|
|
|
+ },
|
|
|
|
|
+ { headers: { ...getAuthHeaders(), 'Content-Type': 'application/json' } }
|
|
|
|
|
+ );
|
|
|
|
|
+
|
|
|
|
|
+ if (joinResponse.status === 200) {
|
|
|
|
|
+ setIsJoined(true);
|
|
|
|
|
+ toast({ title: '成功加入STT频道', variant: 'default' });
|
|
|
|
|
+ // 第二步:基于加入响应初始化WebSocket
|
|
|
|
|
+ initWebSocket(joinResponse);
|
|
|
|
|
+ }
|
|
|
|
|
+ } catch (error) {
|
|
|
|
|
+ toast({
|
|
|
|
|
+ title: '加入频道失败',
|
|
|
|
|
+ description: error.response?.data?.message || error.message,
|
|
|
|
|
+ variant: 'destructive'
|
|
|
|
|
+ });
|
|
|
|
|
+ console.error('Join Channel Error:', error);
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 6. 离开STT频道(清理所有资源)
|
|
|
|
|
+ const leaveSTTChannel = () => {
|
|
|
|
|
+ // 关闭WebSocket
|
|
|
|
|
+ if (wsRef.current) {
|
|
|
|
|
+ wsRef.current.close(1000, '主动离开频道'); // 1000为正常关闭代码
|
|
|
|
|
+ wsRef.current = null;
|
|
|
|
|
+ }
|
|
|
|
|
+ // 关闭麦克风
|
|
|
|
|
+ stopMicrophone();
|
|
|
|
|
+ // 重置状态
|
|
|
|
|
+ setIsJoined(false);
|
|
|
|
|
+ setTranscript('');
|
|
|
|
|
+ setTempTranscript('');
|
|
|
|
|
+ toast({ title: '已离开STT频道', variant: 'default' });
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ // 组件卸载时清理资源(防止内存泄漏)
|
|
|
|
|
+ useEffect(() => {
|
|
|
|
|
+ return () => {
|
|
|
|
|
+ if (isJoined) {
|
|
|
|
|
+ leaveSTTChannel();
|
|
|
|
|
+ }
|
|
|
|
|
+ };
|
|
|
|
|
+ }, [isJoined]);
|
|
|
|
|
+
|
|
|
|
|
+ return (
|
|
|
|
|
+ <Card className="w-full max-w-2xl mx-auto p-6 mt-8">
|
|
|
|
|
+ <h3 className="text-xl font-semibold mb-4">Agora 实时语音转文字(STT)Demo</h3>
|
|
|
|
|
+
|
|
|
|
|
+ {/* 用户名输入 */}
|
|
|
|
|
+ <div className="mb-4">
|
|
|
|
|
+ <label className="block text-sm font-medium mb-2">用户名</label>
|
|
|
|
|
+ <Input
|
|
|
|
|
+ value={userName}
|
|
|
|
|
+ onChange={(e) => setUserName(e.target.value)}
|
|
|
|
|
+ disabled={isJoined}
|
|
|
|
|
+ placeholder="输入你的用户名"
|
|
|
|
|
+ className="w-full"
|
|
|
|
|
+ />
|
|
|
|
|
+ </div>
|
|
|
|
|
+
|
|
|
|
|
+ {/* 频道信息 + 麦克风状态 */}
|
|
|
|
|
+ <div className="mb-6 flex flex-col gap-4">
|
|
|
|
|
+ <div>
|
|
|
|
|
+ <label className="block text-sm font-medium mb-2">当前频道</label>
|
|
|
|
|
+ <Input value={AGORA_CONFIG.channel} disabled className="w-full" />
|
|
|
|
|
+ </div>
|
|
|
|
|
+ {isJoined && (
|
|
|
|
|
+ <div className="flex items-center gap-2">
|
|
|
|
|
+ <span className={`w-2 h-2 rounded-full ${micActive ? 'bg-green-500 animate-pulse' : 'bg-gray-400'}`}></span>
|
|
|
|
|
+ <span className="text-sm">
|
|
|
|
|
+ {micActive ? '麦克风已激活(正在接收语音)' : '麦克风未激活'}
|
|
|
|
|
+ </span>
|
|
|
|
|
+ </div>
|
|
|
|
|
+ )}
|
|
|
|
|
+ </div>
|
|
|
|
|
+
|
|
|
|
|
+ {/* 操作按钮 */}
|
|
|
|
|
+ <div className="flex gap-4 mb-6">
|
|
|
|
|
+ <Button
|
|
|
|
|
+ onClick={joinSTTChannel}
|
|
|
|
|
+ disabled={isJoined}
|
|
|
|
|
+ className="flex-1"
|
|
|
|
|
+ >
|
|
|
|
|
+ 加入频道 & 启动转写
|
|
|
|
|
+ </Button>
|
|
|
|
|
+ <Button
|
|
|
|
|
+ onClick={leaveSTTChannel}
|
|
|
|
|
+ disabled={!isJoined}
|
|
|
|
|
+ variant="destructive"
|
|
|
|
|
+ className="flex-1"
|
|
|
|
|
+ >
|
|
|
|
|
+ 离开频道
|
|
|
|
|
+ </Button>
|
|
|
|
|
+ </div>
|
|
|
|
|
+
|
|
|
|
|
+ {/* 转文字结果展示(临时结果+最终结果) */}
|
|
|
|
|
+ <div>
|
|
|
|
|
+ <label className="block text-sm font-medium mb-2">转写结果</label>
|
|
|
|
|
+ <Textarea
|
|
|
|
|
+ value={`${transcript}${tempTranscript}`} // 最终结果 + 实时临时结果
|
|
|
|
|
+ readOnly
|
|
|
|
|
+ rows={10}
|
|
|
|
|
+ placeholder="说话后,转写结果将实时显示在这里..."
|
|
|
|
|
+ className="w-full bg-gray-50"
|
|
|
|
|
+ />
|
|
|
|
|
+ {tempTranscript && (
|
|
|
|
|
+ <p className="text-xs text-gray-500 mt-1">注:当前显示为临时结果,可能会修正</p>
|
|
|
|
|
+ )}
|
|
|
|
|
+ </div>
|
|
|
|
|
+ </Card>
|
|
|
|
|
+ );
|
|
|
|
|
+};
|
|
|
|
|
+
|
|
|
|
|
+export default AgoraSTTComponent;
|
|
|
|
|
+```
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+### 2. 核心功能说明(WebSocket对接关键点)
|
|
|
|
|
+#### (1)WebSocket连接流程
|
|
|
|
|
+1. **先调用HTTP接口**:通过 `POST /v7/rtm/stt/join` 获取 `sessionId` 和 `nonce`(WebSocket认证必需参数)
|
|
|
|
|
+2. **构建WebSocket URL**:拼接 `appId`、`sessionId`、`nonce` 到WebSocket地址,建立认证连接
|
|
|
|
|
+3. **连接成功后启动麦克风**:确保WebSocket就绪后再发送音频流,避免数据丢失
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+#### (2)音频流处理逻辑
|
|
|
|
|
+- 使用浏览器 `MediaRecorder` 录制麦克风音频,每500ms生成一个音频片段
|
|
|
|
|
+- 将音频片段转换为 **Base64格式**(Agora STT要求的音频传输格式)
|
|
|
|
|
+- 通过WebSocket的 `send()` 方法实时推送音频数据到Agora服务器
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+#### (3)转写结果接收与展示
|
|
|
|
|
+WebSocket接收两种核心消息类型,分别对应不同场景:
|
|
|
|
|
+- **`interim_result`(临时结果)**:实时推送、可能修正(如“你好”→“你好啊”),显示在结果框末尾
|
|
|
|
|
+- **`final_result`(最终结果)**:确认后不再修改,换行追加到最终结果中,同时清空临时结果
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+### 3. 使用注意事项
|
|
|
|
|
+1. **HTTPS环境要求**:浏览器仅允许在HTTPS(或localhost)环境下使用麦克风和WebSocket,本地开发可用 `localhost`,线上需部署到HTTPS服务器
|
|
|
|
|
+2. **Token有效期**:你提供的Token有有效期,过期后需重新生成(可参考Agora文档生成临时Token)
|
|
|
|
|
+3. **浏览器兼容性**:支持Chrome、Edge等现代浏览器,不支持IE
|
|
|
|
|
+4. **错误排查**:打开浏览器控制台(F12),在「Network→WS」标签可查看WebSocket连接状态和消息,方便调试
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+### 4. 后续优化建议
|
|
|
|
|
+- 增加“暂停/继续转写”功能(控制 `MediaRecorder` 的启停)
|
|
|
|
|
+- 支持多语言切换(修改 `config.language` 为 `en-US`、`ja-JP` 等)
|
|
|
|
|
+- 增加转写结果导出(如导出为TXT)
|
|
|
|
|
+- 优化音频格式(可尝试 `audio/mp3` 格式,需确认Agora支持)
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+--------------------------------------------------------------------
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+以下是基于 Hono 框架的 Agora Token 生成路由,支持生成 RTC/RTM 通用 Token,适配你之前提供的 Agora 配置(APPID、Secret 等):
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+### 1. 先安装依赖
|
|
|
|
|
+```bash
|
|
|
|
|
+# 核心依赖:hono + agora-token 生成工具
|
|
|
|
|
+npm install hono @agoraio-rtc/agora-token
|
|
|
|
|
+# 开发依赖(如需要)
|
|
|
|
|
+npm install -D @types/node ts-node
|
|
|
|
|
+```
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+### 2. Hono Token 生成路由代码(`agora-token.route.ts`)
|
|
|
|
|
+```typescript
|
|
|
|
|
+import { Hono } from 'hono';
|
|
|
|
|
+import { RtcTokenBuilder, RtmTokenBuilder, RtcRole, RtmRole } from '@agoraio-rtc/agora-token';
|
|
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+
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+// 初始化 Hono 路由
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+const agoraTokenRouter = new Hono();
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+
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+// Agora 基础配置(替换为你的实际配置,也可从环境变量读取)
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+const AGORA_CONFIG = {
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+ appId: 'f6ef0878d92340f88cff5c3e3d73bad2', // 你的 APPID
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+ appSecret: '8efd206266f541488725499165b78983', // 你的 Secret(对应之前的 Secret 字段)
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+ tokenExpiry: 3600, // Token 有效期:3600秒(1小时,可调整)
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+ privilegeExpiry: 3600 // 权限有效期:与 Token 一致
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+};
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+
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+/**
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+ * Agora Token 生成接口
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+ * @method GET
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+ * @params type: token类型(rtc/rtm,必填)
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+ * @params channel: 频道名(rtc必填,rtm可选)
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+ * @params userId: 用户ID(必填,字符串格式)
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+ * @example /api/agora/token?type=rtc&channel=123&userId=user_123
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+ */
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+agoraTokenRouter.get('/api/agora/token', (c) => {
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+ try {
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+ // 1. 获取请求参数
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+ const tokenType = c.req.query('type'); // 必选:rtc/rtm
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+ const channelName = c.req.query('channel'); // 可选(rtc必传,rtm可选)
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+ const userId = c.req.query('userId'); // 必选:用户唯一ID(字符串)
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+
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+ // 2. 参数校验
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+ if (!tokenType || !['rtc', 'rtm'].includes(tokenType)) {
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+ return c.json(
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+ { code: 400, message: '参数错误:type 必须为 rtc 或 rtm' },
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+ { status: 400 }
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+ );
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+ }
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+ if (!userId || userId.trim() === '') {
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+ return c.json(
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+ { code: 400, message: '参数错误:userId 不能为空' },
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+ { status: 400 }
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+ );
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+ }
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+ if (tokenType === 'rtc' && (!channelName || channelName.trim() === '')) {
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+ return c.json(
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+ { code: 400, message: '参数错误:rtc 类型 Token 需传入 channel' },
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+ { status: 400 }
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+ );
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+ }
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+
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+ // 3. 生成对应类型的 Token
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+ let token = '';
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+ switch (tokenType) {
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+ // 生成 RTC Token(用于实时音视频 + 实时转文字STT)
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+ case 'rtc':
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+ token = RtcTokenBuilder.buildTokenWithUid(
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+ AGORA_CONFIG.appId,
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+ AGORA_CONFIG.appSecret,
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+ channelName!, // 已校验,非空
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+ userId, // 此处 userId 作为字符串Uid(支持字符串格式)
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+ RtcRole.PUBLISHER, // 角色:发布者(可发音频/视频)
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+ AGORA_CONFIG.tokenExpiry,
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+ AGORA_CONFIG.privilegeExpiry
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+ );
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+ break;
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+
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+ // 生成 RTM Token(用于实时消息)
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+ case 'rtm':
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+ token = RtmTokenBuilder.buildToken(
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+ AGORA_CONFIG.appId,
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+ AGORA_CONFIG.appSecret,
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+ userId,
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+ RtmRole.RTM_USER, // RTM 用户角色
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+ AGORA_CONFIG.tokenExpiry
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+ );
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+ break;
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+ }
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+
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+ // 4. 返回成功响应
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+ return c.json({
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+ code: 200,
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+ message: 'Token 生成成功',
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+ data: {
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+ appId: AGORA_CONFIG.appId,
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+ token,
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+ tokenType,
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+ channelName: channelName || '',
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+ userId,
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+ expiry: AGORA_CONFIG.tokenExpiry, // 有效期(秒)
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+ expireTime: Date.now() + AGORA_CONFIG.tokenExpiry * 1000 // 过期时间戳(毫秒)
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+ }
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+ });
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+
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+ } catch (error) {
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+ // 5. 异常处理
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+ console.error('Agora Token 生成失败:', error);
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+ return c.json(
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+ { code: 500, message: 'Token 生成失败,服务器内部错误' },
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+ { status: 500 }
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+ );
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+ }
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+});
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+
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+export default agoraTokenRouter;
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+```
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+
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+
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+### 3. 路由注册(集成到 Hono 主应用)
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+在你的 Hono 主入口文件(如 `app.ts`)中注册路由:
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+```typescript
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+import { Hono } from 'hono';
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+import agoraTokenRouter from './agora-token.route';
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+
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+const app = new Hono();
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+
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+// 注册 Agora Token 路由
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+app.route('/', agoraTokenRouter);
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+
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+// 其他路由...
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+
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+export default app;
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+```
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+
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+
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+### 4. 核心说明
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+#### (1)支持的 Token 类型
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+- **RTC Token**:用于 Agora 实时音视频(RTC)和实时转文字(STT),需传入 `channel` 和 `userId`
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+- **RTM Token**:用于 Agora 实时消息(RTM),仅需传入 `userId`
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+
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+
|
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+#### (2)接口调用示例
|
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+1. **生成 RTC Token(用于 STT 场景)**
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+ ```http
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+ GET /api/agora/token?type=rtc&channel=123&userId=user_456
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+ ```
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+ 响应结果:
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+ ```json
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+ {
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+ "code": 200,
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+ "message": "Token 生成成功",
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+ "data": {
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+ "appId": "f6ef0878d92340f88cff5c3e3d73bad2",
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+ "token": "007eJxTY...(生成的Token)",
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+ "tokenType": "rtc",
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+ "channelName": "123",
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+ "userId": "user_456",
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+ "expiry": 3600,
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+ "expireTime": 1720000000000
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+ }
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+ }
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+ ```
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+
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+2. **生成 RTM Token(用于实时消息)**
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+ ```http
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+ GET /api/agora/token?type=rtm&userId=user_789
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+ ```
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+
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+
|
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|
|
+#### (3)关键配置说明
|
|
|
|
|
+- **`tokenExpiry`**:Token 有效期,默认 3600 秒(1小时),建议根据业务调整(最长支持 24 小时)
|
|
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|
+- **`RtcRole.PUBLISHER`**:RTC 角色为“发布者”,支持发送音频/视频,满足 STT 语音输入需求
|
|
|
|
|
+- **字符串 UID**:`userId` 支持字符串格式(如 `user_123`),无需转换为数字,适配更多场景
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+
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+
|
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|
|
+#### (4)安全建议
|
|
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|
|
+1. **Secret 保护**:线上环境建议将 `appSecret` 存储在环境变量中(如 `process.env.AGORA_APP_SECRET`),避免硬编码
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+2. **权限控制**:可在接口中增加用户认证(如 JWT 校验),防止未授权用户生成 Token
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+3. **有效期管理**:前端需监听 `expireTime`,在 Token 过期前主动重新请求生成新 Token
|
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+
|
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+--------------------------------------------------------------------
|