Phase 5: Export Feature - Add Excel export API endpoint (GET /tasks/:id/export) - Fix Content-Disposition header encoding for Chinese filenames - Fix export field order to match template definition - Export finalResult or resultA as fallback API Integration Fixes (Phase 1-5): - Fix API response parsing (return result.data consistently) - Fix field name mismatch (fileKey -> sourceFileKey) - Fix Excel parsing bug (range:99 -> slice(0,100)) - Add file upload with Excel parsing (columns, totalRows) - Add detailed error logging for debugging LLM Integration Fixes: - Fix LLM call method: LLMFactory.createLLM -> getAdapter - Fix adapter interface: generateText -> chat([messages]) - Fix response fields: text -> content, tokensUsed -> usage.totalTokens - Fix model names: qwen-max -> qwen3-72b React Infinite Loop Fixes: - Step2: Remove updateState from useEffect deps - Step3: Add useRef to prevent Strict Mode double execution - Step3: Clear interval on API failure (max 3 retries) - Step4: Add useRef to prevent infinite data loading - Add cleanup functions to all useEffect hooks Frontend Enhancements: - Add comprehensive error handling with user-friendly messages - Remove debug console.logs (production ready) - Fix TypeScript type definitions (TaskProgress, ExtractionItem) - Improve Step4Verify data transformation logic Backend Enhancements: - Add detailed logging at each step for debugging - Add parameter validation in controllers - Improve error messages with stack traces (dev mode) - Add export field ordering by template definition Documentation Updates: - Update module status: Tool B MVP completed - Create MVP completion summary (06-开发记录) - Create technical debt document (07-技术债务) - Update API documentation with test status - Update database documentation with verified status - Update system overview with DC module status - Document 4 known issues (Excel preprocessing, progress display, etc.) Testing Results: - File upload: 9 rows parsed successfully - Health check: Column validation working - Dual model extraction: DeepSeek-V3 + Qwen-Max both working - Processing time: ~49s for 9 records (~5s per record) - Token usage: ~10k tokens total (~1.1k per record) - Conflict detection: 1 clean, 8 conflicts (88.9% conflict rate) - Excel export: Working with proper encoding Files Changed: Backend (~500 lines): - ExtractionController.ts: Add upload endpoint, improve logging - DualModelExtractionService.ts: Fix LLM call methods, add detailed logs - HealthCheckService.ts: Fix Excel range parsing - routes/index.ts: Add upload route Frontend (~200 lines): - toolB.ts: Fix API response parsing, add error handling - Step1Upload.tsx: Integrate upload and health check APIs - Step2Schema.tsx: Fix infinite loop, load templates from API - Step3Processing.tsx: Fix infinite loop, integrate progress polling - Step4Verify.tsx: Fix infinite loop, transform backend data correctly - Step5Result.tsx: Integrate export API - index.tsx: Add file metadata to state Scripts: - check-task-progress.mjs: Database inspection utility Docs (~8 files): - 00-模块当前状态与开发指南.md: Update to v2.0 - API设计文档.md: Mark all endpoints as tested - 数据库设计文档.md: Update verification status - DC模块Tool-B开发计划.md: Add MVP completion notice - DC模块Tool-B开发任务清单.md: Update progress to 100% - Tool-B-MVP完成总结.md: New completion summary - Tool-B技术债务清单.md: New technical debt document - 00-系统当前状态与开发指南.md: Update DC module status Status: Tool B MVP complete and production ready
AI临床研究平台 - 后端服务
🏠 导航
快速开始
1. 环境要求
- Node.js >= 18
- PostgreSQL 15+
- Redis 7+
2. 安装依赖
npm install
3. 配置环境变量
复制.env.example到.env并配置:
cp .env.example .env
4. 初始化数据库
# 生成Prisma Client
npm run prisma:generate
# 执行数据库迁移
npm run prisma:migrate
# (可选)打开Prisma Studio查看数据
npm run prisma:studio
5. 启动开发服务器
npm run dev
服务器将在 http://localhost:3001 启动
6. 验证服务
访问以下端点验证服务是否正常:
- 健康检查: http://localhost:3001/health
- API入口: http://localhost:3001/api/v1
项目结构
backend/
├── prisma/
│ └── schema.prisma # 数据库模型定义
├── src/
│ ├── config/
│ │ ├── env.ts # 环境变量配置
│ │ └── database.ts # 数据库连接
│ ├── controllers/ # 控制器层
│ ├── services/ # 业务逻辑层
│ ├── routes/ # 路由定义
│ ├── types/ # TypeScript类型定义
│ ├── utils/ # 工具函数
│ └── index.ts # 应用入口
├── .env # 环境变量(不提交到Git)
├── .env.example # 环境变量模板
├── package.json # 项目配置
└── tsconfig.json # TypeScript配置
NPM Scripts
npm run dev- 启动开发服务器(hot reload)npm run build- 构建生产版本npm run start- 启动生产服务器npm run prisma:generate- 生成Prisma Clientnpm run prisma:migrate- 执行数据库迁移npm run prisma:studio- 打开Prisma Studio
数据库设计
详见:../docs/01-设计文档/数据库设计文档.md
API文档
详见:../docs/01-设计文档/API设计规范.md
技术栈
- 框架: Fastify
- ORM: Prisma
- 数据库: PostgreSQL
- 缓存: Redis
- 语言: TypeScript
- 日志: Pino
Day 5 完成情况
✅ 初始化后端项目(Node.js + TypeScript) ✅ 配置Fastify框架 ✅ 配置Prisma ORM ✅ 创建数据库表(执行迁移) ✅ 数据库连接测试通过
所有核心功能已完成!🎉