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LoveArt Next.js

Next.js 16 实现的 Lovart 接入项目,包含:

  • OpenAI 风格图片/视频生成 API(/v1/images/generations/v1/videos/generations
  • 对话式前端页面(/
  • 会话管理 API(创建、列表、详情、删除、发送消息)

默认优先模型(参考原项目推荐):

  • 图片:vertex/nano-banana-2
  • 视频:generate_video_seedance_v2_0

1. 环境变量

复制 .env.example.env.local 并填写:

cp .env.example .env.local

关键变量:

  • LOVART_ACCESS_KEY
  • LOVART_SECRET_KEY
  • LOVART_AUTO_CONFIRM(视频高价任务是否自动确认,默认 true
  • LOVART_TIMEOUT_SECONDS(首轮 poll 超时,默认 180
  • LOVART_VIDEO_RECOVERY_TIMEOUT_SECONDS(首轮超时后继续恢复视频结果的时长,默认 180

2. 启动

pnpm install --store-dir /Users/wayhome/Stuff/ai/video/.pnpm-store
pnpm dev

默认地址:http://127.0.0.1:3000

3. API

健康检查

curl http://127.0.0.1:3000/health

图片生成(OpenAI 兼容风格)

curl http://127.0.0.1:3000/v1/images/generations \
  -H 'Content-Type: application/json' \
  -d '{
    "prompt": "A red apple on a white studio background",
    "size": "1024x1024",
    "n": 1,
    "response_format": "url"
  }'

视频生成(OpenAI 兼容风格)

curl http://127.0.0.1:3000/v1/videos/generations \
  -H 'Content-Type: application/json' \
  -d '{
    "prompt": "A 5-second cinematic cloud timelapse over mountains",
    "size": "1280x720",
    "n": 1,
    "response_format": "url"
  }'

会话管理 API

  • GET /api/sessions:会话列表
  • POST /api/sessions:新建会话
  • GET /api/sessions/:id:会话详情
  • DELETE /api/sessions/:id:删除会话
  • POST /api/sessions/:id/messages:发送消息并生成图片/视频

消息示例:

curl http://127.0.0.1:3000/api/sessions/<session_id>/messages \
  -H 'Content-Type: application/json' \
  -d '{
    "prompt": "Create a moody rainy city street shot",
    "mediaType": "image",
    "model": "vertex/nano-banana-2"
  }'

4. 测试

npm test

5. 数据持久化

会话和默认 project 状态持久化到:

  • .data/sessions.json

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