前后端基本架构和完全excel表的解析及统计图表的生成以及excel表的到出

backend/app/main.py

@@ -1,18 +1,61 @@
+"""
+FastAPI 应用主入口
+"""
 from fastapi import FastAPI
-from config import settings
+from fastapi.middleware.cors import CORSMiddleware
+from app.config import settings
+from app.api import api_router
 
+# 创建 FastAPI 应用实例
 app = FastAPI(
     title=settings.APP_NAME,
-    openapi_url=f"{settings.API_V1_STR}/openapi.json"
+    description="基于大语言模型的文档理解与多源数据融合系统",
+    version="1.0.0",
+    openapi_url=f"{settings.API_V1_STR}/openapi.json",
+    docs_url=f"{settings.API_V1_STR}/docs",
+    redoc_url=f"{settings.API_V1_STR}/redoc"
 )
+
+# 配置 CORS 中间件
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册 API 路由
+app.include_router(api_router, prefix=settings.API_V1_STR)
+
+
 @app.get("/")
 async def root():
+    """根路径"""
     return {
         "message": f"Welcome to {settings.APP_NAME}",
         "status": "online",
-        "debug_mode": settings.DEBUG
+        "version": "1.0.0",
+        "debug_mode": settings.DEBUG,
+        "api_docs": f"{settings.API_V1_STR}/docs"
     }
 
+
+@app.get("/health")
+async def health_check():
+    """健康检查接口"""
+    return {
+        "status": "healthy",
+        "service": settings.APP_NAME
+    }
+
+
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run("main:app", host="127.0.0.1", port=8000, reload=True)
+
+    uvicorn.run(
+        "app.main:app",
+        host="127.0.0.1",
+        port=8000,
+        reload=settings.DEBUG
+    )