add flask apis.

fast_app/fast_app.py

@@ -1,11 +1,84 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+from pydantic import BaseModel
+from typing import Optional
+import time
+import os
 
-app = FastAPI()
+app = FastAPI(
+    title="FastAPI Service",
+    description="高性能 FastAPI 服务",
+    version="1.0.0",
+    docs_url="/docs",
+    redoc_url="/redoc",
+    openapi_url="/openapi.json"
+)
 
+# CORS 配置
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 数据模型
+class Item(BaseModel):
+    name: str
+    description: Optional[str] = None
+    price: float
+    tax: Optional[float] = None
+
+class ComputeRequest(BaseModel):
+    numbers: list[float]
+    operation: str
+
+class ComputeResponse(BaseModel):
+    result: float
+    operation: str
+    timestamp: float
+
+# 健康检查
+@app.get("/health")
+async def health_check():
+    return {
+        "status": "healthy",
+        "service": "fastapi",
+        "version": "1.0.0",
+        "timestamp": time.time(),
+        "environment": os.getenv("ENVIRONMENT", "development")
+    }
+
+# 根路径
 @app.get("/")
-def greet_json():
-    return {"msg": "Hello, FastAPI Node World!"}
+async def root():
+    return {
+        "message": "欢迎使用 FastAPI 服务",
+        "docs": "/docs",
+        "redoc": "/redoc",
+        "endpoints": [
+            "/health",
+            "/items",
+            "/compute",
+            "/info"
+        ]
+    }
+
+# 获取服务信息
+@app.get("/info")
+async def get_info():
+    return {
+        "service": "fastapi",
+        "port": os.getenv("PORT", 8000),
+        "python_version": os.sys.version,
+        "environment": os.getenv("ENVIRONMENT", "development"),
+        "startup_time": app.extra.get("startup_time", time.time())
+    }
+
+
 
+# 路由测试
 @app.get("/hello/")
 def hello_json():
     return {"msg": "/hello/ : Hello, FastAPI Node World!"}

requirements.txt

@@ -1,4 +1,6 @@
 fastapi
+pydantic
+python-multipart
 flask
 flask-cors
 flask-restx