初始化医疗报告生成项目，添加核心代码文件

backend/main.py

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+from fastapi import FastAPI, UploadFile, File, HTTPException, Form
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import FileResponse
+from typing import List
+import os
+import tempfile
+from pathlib import Path
+from dotenv import load_dotenv
+
+# 加载环境变量
+load_dotenv()
+
+from services.ocr_service import OCRService
+from services.llm_service import LLMService
+from services.report_integrator import ReportIntegrator
+from services.pdf_service import PDFService
+from services.template_service import TemplateService
+from services.batch_report_service import BatchReportService
+from services.deepseek_health_service import DeepSeekHealthService
+
+app = FastAPI(title="医疗报告分析系统")
+
+# CORS配置
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://localhost:5173", "http://localhost:3000"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 初始化服务（仅用于综合报告流程）
+ocr_service = OCRService()
+llm_service = LLMService()
+report_integrator = ReportIntegrator(llm_service)
+pdf_service = PDFService()
+template_service = TemplateService()
+batch_service = BatchReportService(ocr_service, llm_service, pdf_service, template_service)
+
+# 检查 DeepSeek 配置状态
+deepseek_key = os.getenv("DEEPSEEK_API_KEY", "")
+if deepseek_key:
+    print("✓ DeepSeek API Key 已配置，健康评估和建议功能已启用")
+else:
+    print("⚠ DeepSeek API Key 未配置，健康评估和建议功能将被跳过")
+
+
+@app.get("/")
+async def root():
+    return {"message": "医疗报告分析系统API", "status": "running"}
+
+
+@app.post("/api/comprehensive-report")
+async def generate_comprehensive_report(
+    files: List[UploadFile] = File(...),
+    patient_name: str = Form(default="患者")
+):
+    """
+    批量上传并生成综合健康报告
+    注意：上传的文件不会永久存储，处理完后自动删除
+    """
+    temp_files = []
+    
+    try:
+        # 验证文件类型
+        allowed_extensions = {".pdf", ".jpg", ".jpeg", ".png", ".bmp"}
+        
+        # 临时保存上传的文件
+        for file in files:
+            file_ext = Path(file.filename).suffix.lower()
+            
+            if file_ext not in allowed_extensions:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f"不支持的文件格式: {file.filename}"
+                )
+            
+            # 创建临时文件
+            temp_file = tempfile.NamedTemporaryFile(
+                delete=False,
+                suffix=file_ext,
+                dir=str(batch_service.temp_dir)
+            )
+            
+            # 写入文件内容
+            content = await file.read()
+            temp_file.write(content)
+            temp_file.close()
+            
+            temp_files.append(temp_file.name)
+        
+        # 批量处理报告
+        result = batch_service.process_multiple_reports(
+            file_paths=temp_files,
+            patient_name=patient_name
+        )
+        
+        return {
+            "success": True,
+            "patient_name": result["patient_name"],
+            "report_count": result["report_count"],
+            "pdf_filename": Path(result["pdf_path"]).name,
+            "pdf_path": result["pdf_path"],
+            "generated_at": result["generated_at"],
+            # 包含健康评估和建议内容
+            "health_assessment": result.get("analysis", {}).get("health_assessment", {}),
+            "health_advice": result.get("analysis", {}).get("health_advice", {})
+        }
+        
+    except HTTPException:
+        # 清理临时文件
+        batch_service._cleanup_temp_files(temp_files)
+        raise
+    except Exception as e:
+        # 清理临时文件
+        batch_service._cleanup_temp_files(temp_files)
+        import traceback
+        error_detail = f"综合报告生成失败: {str(e)}\n{traceback.format_exc()}"
+        print(error_detail)  # 打印完整错误堆栈
+        raise HTTPException(status_code=500, detail=f"综合报告生成失败: {str(e)}")
+
+
+@app.get("/api/comprehensive-report/download/{pdf_filename}")
+async def download_comprehensive_report(pdf_filename: str):
+    """下载综合健康报告"""
+    try:
+        pdf_path = pdf_service.output_dir / pdf_filename
+        
+        if not pdf_path.exists():
+            raise HTTPException(status_code=404, detail="PDF文件不存在")
+        
+        return FileResponse(
+            path=str(pdf_path),
+            media_type="application/pdf",
+            filename=pdf_filename
+        )
+        
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"下载失败: {str(e)}")
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8001)