基于Python编写一个有趣的年会抽奖系统

　　from fastapi import FastAPI, Request

　　from fastapi.templating import Jinja2Templates

　　from fastapi.staticfiles import StaticFiles

　　# from models import Participant, Prize

　　# from database import SessionLocal, engine

　　from pydantic import BaseModel

　　from random import choice

　　app = FastAPI()

　　app.mount("/static", StaticFiles(directory="static"), name="static")

　　templates = Jinja2Templates(directory="templates")

　　prizes = []

　　participants = []

　　class Participant(BaseModel):

　　name: str

　　class Prize(BaseModel):

　　winner: str

　　prize: str

　　class DatePrize(BaseModel):

　　prize: str

　　@app.get("/")

　　async def root(request: Request):

　　return templates.TemplateResponse("index.html", {"request": request})

　　@app.post("/participant")

　　async def add_participant(participant: Participant):

　　participants.append(participant)

　　return {"message": "Participant added successfully"}

　　@app.post("/draw")

　　async def draw_prize(date_prize: DatePrize):

　　if not participants:

　　return {"message": "No participants available","code":0}

　　winner = choice(participants)

　　prize = Prize(winner=winner.name,prize=date_prize.prize)

　　prizes.append(prize)

　　participants.remove(winner)

　　return {"message": f"Congratulations {winner.name}, you have won a prize : {date_prize.prize}!","code":1}

　　@app.get("/prizes")

　　async def get_prizes():

　　return {"prizes": [prize.winner for prize in prizes]}

　　@app.get("/participants")

　　async def get_participants():

　　return {"participants": [participant.name for participant in participants]}