FastAPI：Python 高性能 Web 框架的优雅之选 | 极客日志

FastAPI：Python 高性能 Web 框架的优雅之选 | 极客日志

from fastapi import FastAPI app = FastAPI()@app.get("/")asyncdefread_root():return{"message":"Hello, FastAPI!"}

import time from fastapi import FastAPI app = FastAPI()# 同步版本@app.get("/sync")defsync_endpoint(): start_time = time.time()for i inrange(10): time.sleep(1)# 模拟IO操作return{"time": time.time()- start_time}# 异步版本@app.get("/async")asyncdefasync_endpoint(): start_time = time.time()for i inrange(10):await asyncio.sleep(1)# 异步等待return{"time": time.time()- start_time}

from pydantic import BaseModel classItem(BaseModel): name:str price:float is_offer:bool=None@app.put("/items/{item_id}")asyncdefupdate_item(item_id:int, item: Item):return{"item_id": item_id,"item_name": item.name}

# 一个更复杂的示例预告@app.get("/users/{user_id}")asyncdefread_user( user_id:int, q:str=None, short:bool=False): user = get_user(user_id)# 假设的数据库查询if q: user["q"]= q ifnot short: user.update({"detail":"This is detailed info"})return user