📝 docs: 添加部署文档 DEPLOY.md
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# AI 英语学习辅助平台 — 线上部署操作流程
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## 项目概述
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- **项目名称**:AI 英语学习辅助平台
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- **技术栈**:Vue 3 + Vite + Vue Router(History 模式)
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- **构建产物**:纯静态文件(HTML / CSS / JS),可部署到任意静态托管服务
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---
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## 一、部署前准备
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### 1.1 环境要求
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| 工具 | 版本要求 |
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|------|----------|
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| Node.js | >= 18.x(推荐 20.x LTS) |
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| npm | >= 9.x |
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```bash
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node -v
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npm -v
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```
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### 1.2 安装依赖
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```bash
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cd AI_Demo
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npm install
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```
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---
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## 二、关键配置说明
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### 2.1 API 配置(必须在部署前确认)
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项目所有 API 密钥集中在 `src/config/index.js`,部署前请确认以下配置项均已填写正确:
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| 配置项 | 说明 |
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|--------|------|
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| `GRS_API_KEY` | GRS AI 接口密钥(作文批改 / 试题分析) |
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| `DOUBAO_APP_ID` | 豆包语音 App ID |
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| `DOUBAO_ACCESS_TOKEN` | 豆包语音访问令牌 |
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| `DOUBAO_RESOURCE_ID` | 豆包 TTS 资源 ID |
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| `DOUBAO_ASR_RESOURCE_ID` | 豆包 ASR 资源 ID |
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| `ARK_API_KEY` | 火山引擎 Ark 大模型密钥 |
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| `ARK_MODEL` | Ark 模型名称(如 doubao-pro-4k) |
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### 2.2 跨域响应头要求(重要)
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项目使用了 `@ffmpeg/ffmpeg`(WebAssembly),需要服务器返回以下响应头,否则视频讲解功能将无法运行:
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```
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Cross-Origin-Opener-Policy: same-origin
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Cross-Origin-Embedder-Policy: require-corp
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```
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> 各部署平台的配置方式见下方对应章节。
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### 2.3 API 代理配置(重要)
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项目在开发环境通过 Vite 代理转发以下 API 请求,**生产环境必须在服务器/网关层配置对应的反向代理**:
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| 前端请求路径前缀 | 代理目标 | 用途 |
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|-----------------|----------|------|
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| `/tts-api` | `https://openspeech.bytedance.com` | 豆包 TTS 语音合成 |
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| `/ark-api` | `https://ark.cn-beijing.volces.com` | 火山引擎 Ark 大模型 |
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| `/dashscope-api` | `https://dashscope.aliyuncs.com` | 阿里云百炼 |
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| `/asr-ws` | `wss://openspeech.bytedance.com` | 豆包 ASR WebSocket |
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> **ASR WebSocket 特殊说明**:`/asr-ws` 代理需要在代理层注入以下鉴权 Header(浏览器原生 WebSocket 不支持自定义 Header):
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> - `X-Api-App-Key`
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> - `X-Api-Access-Key`
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> - `X-Api-Resource-Id`
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> - `X-Api-Connect-Id`(每次连接随机 UUID)
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---
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## 三、构建生产包
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```bash
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npm run build
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```
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构建完成后,产物位于 `dist/` 目录,包含:
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```
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dist/
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├── index.html
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├── favicon.svg
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└── assets/
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├── *.js
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└── *.css
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```
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可在本地预览构建结果:
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```bash
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npm run preview
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```
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---
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## 四、部署方案
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### 方案 A:Nginx 部署(推荐,自有服务器)
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#### 4.A.1 上传文件
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将 `dist/` 目录内容上传到服务器,例如 `/var/www/ai-demo/`:
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```bash
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scp -r dist/* user@your-server:/var/www/ai-demo/
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```
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#### 4.A.2 Nginx 配置
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创建或修改 Nginx 站点配置文件(如 `/etc/nginx/sites-available/ai-demo.conf`):
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```nginx
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server {
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listen 80;
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server_name your-domain.com; # 替换为你的域名或 IP
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root /var/www/ai-demo;
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index index.html;
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# 跨域响应头(FFmpeg WASM 必需)
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add_header Cross-Origin-Opener-Policy "same-origin" always;
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add_header Cross-Origin-Embedder-Policy "require-corp" always;
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# Vue Router History 模式:所有路由回退到 index.html
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location / {
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try_files $uri $uri/ /index.html;
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}
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# 代理:豆包 TTS
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location /tts-api/ {
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proxy_pass https://openspeech.bytedance.com/;
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proxy_ssl_server_name on;
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proxy_set_header Host openspeech.bytedance.com;
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}
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# 代理:火山引擎 Ark
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location /ark-api/ {
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proxy_pass https://ark.cn-beijing.volces.com/;
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proxy_ssl_server_name on;
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proxy_set_header Host ark.cn-beijing.volces.com;
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}
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# 代理:阿里云百炼
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location /dashscope-api/ {
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proxy_pass https://dashscope.aliyuncs.com/;
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proxy_ssl_server_name on;
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proxy_set_header Host dashscope.aliyuncs.com;
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}
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# 代理:豆包 ASR WebSocket(需注入鉴权 Header)
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location /asr-ws/ {
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proxy_pass https://openspeech.bytedance.com/;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_set_header Host openspeech.bytedance.com;
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proxy_ssl_server_name on;
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# 注入豆包 ASR 鉴权 Header(替换为实际值)
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proxy_set_header X-Api-App-Key "YOUR_DOUBAO_APP_ID";
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proxy_set_header X-Api-Access-Key "YOUR_DOUBAO_ACCESS_TOKEN";
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proxy_set_header X-Api-Resource-Id "volc.bigasr.sauc.duration";
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}
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# 静态资源缓存
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location /assets/ {
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expires 1y;
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add_header Cache-Control "public, immutable";
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add_header Cross-Origin-Opener-Policy "same-origin" always;
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add_header Cross-Origin-Embedder-Policy "require-corp" always;
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}
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}
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```
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#### 4.A.3 启用配置并重启 Nginx
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```bash
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# 启用站点(Ubuntu/Debian)
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ln -s /etc/nginx/sites-available/ai-demo.conf /etc/nginx/sites-enabled/
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# 检查配置语法
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nginx -t
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# 重载 Nginx
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systemctl reload nginx
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```
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#### 4.A.4 配置 HTTPS(推荐)
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```bash
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# 使用 Certbot 申请免费 SSL 证书
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apt install certbot python3-certbot-nginx
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certbot --nginx -d your-domain.com
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```
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---
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### 方案 B:Node.js + Express 静态服务器
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适用于需要在 Node.js 环境中自定义响应头的场景。
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#### 4.B.1 安装依赖
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```bash
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npm install express http-proxy-middleware
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```
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#### 4.B.2 创建服务器文件 `server.js`
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```js
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import express from 'express'
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import { createProxyMiddleware } from 'http-proxy-middleware'
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import { fileURLToPath } from 'url'
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import path from 'path'
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import crypto from 'crypto'
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const __dirname = path.dirname(fileURLToPath(import.meta.url))
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const app = express()
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const PORT = process.env.PORT || 3000
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// 全局注入 COOP/COEP 响应头(FFmpeg WASM 必需)
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app.use((req, res, next) => {
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res.setHeader('Cross-Origin-Opener-Policy', 'same-origin')
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res.setHeader('Cross-Origin-Embedder-Policy', 'require-corp')
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next()
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})
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// API 代理
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app.use('/tts-api', createProxyMiddleware({
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target: 'https://openspeech.bytedance.com',
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changeOrigin: true,
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pathRewrite: { '^/tts-api': '' }
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}))
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app.use('/ark-api', createProxyMiddleware({
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target: 'https://ark.cn-beijing.volces.com',
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changeOrigin: true,
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pathRewrite: { '^/ark-api': '' }
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}))
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app.use('/dashscope-api', createProxyMiddleware({
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target: 'https://dashscope.aliyuncs.com',
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changeOrigin: true,
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pathRewrite: { '^/dashscope-api': '' }
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}))
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app.use('/asr-ws', createProxyMiddleware({
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target: 'wss://openspeech.bytedance.com',
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changeOrigin: true,
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ws: true,
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pathRewrite: { '^/asr-ws': '' },
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on: {
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proxyReqWs: (proxyReq) => {
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proxyReq.setHeader('X-Api-App-Key', process.env.DOUBAO_APP_ID)
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proxyReq.setHeader('X-Api-Access-Key', process.env.DOUBAO_ACCESS_TOKEN)
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proxyReq.setHeader('X-Api-Resource-Id', 'volc.bigasr.sauc.duration')
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proxyReq.setHeader('X-Api-Connect-Id', crypto.randomUUID())
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}
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}
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}))
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// 静态文件服务
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app.use(express.static(path.join(__dirname, 'dist')))
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// Vue Router History 模式回退
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app.get('*', (req, res) => {
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res.sendFile(path.join(__dirname, 'dist', 'index.html'))
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})
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app.listen(PORT, () => {
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console.log(`Server running at http://localhost:${PORT}`)
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})
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```
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#### 4.B.3 启动服务
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```bash
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DOUBAO_APP_ID=xxx DOUBAO_ACCESS_TOKEN=xxx node server.js
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```
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---
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### 方案 C:EdgeOne Pages / Vercel / Netlify(纯静态托管)
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> **注意**:此类平台**不支持服务端代理**,`/tts-api`、`/ark-api`、`/dashscope-api`、`/asr-ws` 等接口将因跨域或缺少鉴权 Header 而失败。
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> 建议仅用于演示或配合独立后端服务使用。
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#### 部署步骤(以 Vercel 为例)
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1. 将项目推送到 GitHub
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2. 在 Vercel 控制台导入仓库
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3. 构建命令:`npm run build`,输出目录:`dist`
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4. 创建 `vercel.json` 配置 History 模式路由回退和响应头:
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```json
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{
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"rewrites": [{ "source": "/(.*)", "destination": "/index.html" }],
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"headers": [
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{
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"source": "/(.*)",
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"headers": [
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{ "key": "Cross-Origin-Opener-Policy", "value": "same-origin" },
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{ "key": "Cross-Origin-Embedder-Policy", "value": "require-corp" }
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]
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}
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]
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}
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```
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---
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## 五、部署后验证清单
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| 验证项 | 检查方法 |
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|--------|----------|
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| 页面正常加载 | 访问首页,确认 7 个功能卡片显示正常 |
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| 路由刷新不 404 | 直接访问 `/pronunciation`、`/speaking` 等子路由 |
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| COOP/COEP 响应头 | 浏览器 DevTools → Network → 查看 index.html 响应头 |
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| TTS 语音合成 | 进入发音练习页,测试语音播放 |
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| ASR 语音识别 | 进入口语对话页,测试麦克风录音识别 |
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| 作文批改 | 进入作文批改页,提交一段英文作文 |
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| 视频讲解(FFmpeg) | 进入视频讲解页,上传视频文件测试 |
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| HTTPS 证书 | 确认浏览器地址栏显示锁形图标 |
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---
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## 六、常见问题排查
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### Q1:视频讲解页面报错 `SharedArrayBuffer is not defined`
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**原因**:服务器未返回 `Cross-Origin-Opener-Policy: same-origin` 和 `Cross-Origin-Embedder-Policy: require-corp` 响应头。
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**解决**:参考第二节 2.2,在 Nginx 或 Node.js 服务器中添加对应响应头。
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### Q2:刷新页面出现 404
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**原因**:Vue Router 使用 History 模式,服务器未配置路由回退。
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**解决**:Nginx 添加 `try_files $uri $uri/ /index.html;`,Node.js 添加通配路由返回 `index.html`。
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### Q3:API 请求跨域报错(CORS)
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**原因**:生产环境未配置反向代理,浏览器直接请求第三方 API 被跨域拦截。
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**解决**:参考第二节 2.3,在 Nginx 或 Node.js 中配置对应代理规则。
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### Q4:ASR 语音识别 WebSocket 连接失败
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**原因**:代理未注入豆包 ASR 鉴权 Header,或 WebSocket 升级配置缺失。
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**解决**:确认 Nginx 配置中包含 `proxy_set_header Upgrade $http_upgrade;` 及三个 `X-Api-*` Header。
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### Q5:构建时内存不足
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**原因**:项目包含 FFmpeg WASM,构建产物较大。
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**解决**:
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```bash
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# 增大 Node.js 内存限制
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NODE_OPTIONS=--max-old-space-size=4096 npm run build
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```
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---
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## 七、目录结构参考
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```
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AI_Demo/
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├── dist/ # 构建产物(部署此目录)
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├── src/
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│ ├── config/index.js # API 密钥配置(部署前确认)
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│ ├── router/index.js # 路由定义
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│ └── views/ # 页面组件
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├── vite.config.js # 开发代理配置(生产环境需在服务器复现)
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├── package.json
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└── DEPLOY.md # 本文档
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```
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