HaHafeng
2e8699c217
Features: - feat: Excel template generation and download (with examples) - feat: Excel file parsing in memory (cloud-native, no disk write) - feat: Field validation (title + abstract required) - feat: Smart deduplication (DOI priority + Title fallback) - feat: Literature preview table with statistics - feat: Complete submission flow (create project + import literatures) Components: - feat: Create excelUtils.ts with full Excel processing toolkit - feat: Enhance TitleScreeningSettings page with upload/preview/submit - feat: Update API interface signatures and export unified aslApi object Dependencies: - chore: Add xlsx library for Excel file processing Ref: Week 2 Frontend Development - Day 2 Scope: ASL Module MVP - Title Abstract Screening Cloud-Native: Memory parsing, no file persistence
113 lines
2.3 KiB
Markdown
113 lines
2.3 KiB
Markdown
# 文档处理引擎
|
||
|
||
> **能力定位：** 通用能力层
|
||
> **复用率：** 86% (6个模块依赖)
|
||
> **优先级：** P0
|
||
> **状态：** ✅ 已实现（Python微服务）
|
||
|
||
---
|
||
|
||
## 📋 能力概述
|
||
|
||
文档处理引擎是平台的核心基础能力，负责：
|
||
- 多格式文档文本提取（PDF、Docx、Txt、Excel）
|
||
- OCR处理
|
||
- 表格提取
|
||
- 语言检测
|
||
- 质量评估
|
||
|
||
---
|
||
|
||
## 📊 依赖模块
|
||
|
||
**6个模块依赖（86%复用率）：**
|
||
1. **ASL** - AI智能文献（文献PDF提取）
|
||
2. **PKB** - 个人知识库（知识库文档上传）
|
||
3. **DC** - 数据清洗（Excel/Docx数据导入）
|
||
4. **SSA** - 智能统计分析（数据导入）
|
||
5. **ST** - 统计分析工具（数据导入）
|
||
6. **RVW** - 稿件审查（稿件文档提取）
|
||
|
||
---
|
||
|
||
## 💡 核心功能
|
||
|
||
### 1. PDF提取
|
||
- **Nougat**：英文学术论文（高质量）
|
||
- **PyMuPDF**：中文PDF + 兜底方案（快速）
|
||
- **语言检测**：自动识别中英文
|
||
- **质量评估**：提取质量评分
|
||
|
||
### 2. Docx提取
|
||
- **Mammoth**：转Markdown
|
||
- **python-docx**：结构化读取
|
||
|
||
### 3. Txt提取
|
||
- **多编码支持**：UTF-8、GBK等
|
||
- **chardet**：自动检测编码
|
||
|
||
### 4. Excel处理
|
||
- **openpyxl**：读取Excel
|
||
- **pandas**：数据处理
|
||
|
||
---
|
||
|
||
## 🏗️ 技术架构
|
||
|
||
**Python微服务（FastAPI）：**
|
||
```
|
||
extraction_service/
|
||
├── main.py (509行) - FastAPI主服务
|
||
├── services/
|
||
│ ├── pdf_extractor.py (242行) - PDF提取总协调
|
||
│ ├── pdf_processor.py (280行) - PyMuPDF实现
|
||
│ ├── language_detector.py (120行) - 语言检测
|
||
│ ├── nougat_extractor.py (242行) - Nougat实现
|
||
│ ├── docx_extractor.py (253行) - Docx提取
|
||
│ └── txt_extractor.py (316行) - Txt提取（多编码）
|
||
└── requirements.txt
|
||
```
|
||
|
||
---
|
||
|
||
## 📚 API端点
|
||
|
||
```
|
||
POST /api/extract/pdf - PDF文本提取
|
||
POST /api/extract/docx - Docx文本提取
|
||
POST /api/extract/txt - Txt文本提取
|
||
POST /api/extract/excel - Excel表格提取
|
||
GET /health - 健康检查
|
||
```
|
||
|
||
---
|
||
|
||
## 🔗 相关文档
|
||
|
||
- [通用能力层总览](../README.md)
|
||
- [Python微服务代码](../../../extraction_service/)
|
||
|
||
---
|
||
|
||
**最后更新：** 2025-11-06
|
||
**维护人：** 技术架构师
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|