FastAPI（55）- Events: startup - shutdown 启动/关闭事件

#!usr/bin/env python
# -*- coding:utf-8 _*-
"""
# author: 小菠萝测试笔记
# blog:  https://www.cnblogs.com/poloyy/
# time: 2021/10/4 7:26 下午
# file: 45_event.py
"""
import uvicorn
from fastapi import FastAPI
app = FastAPI()
items = {}
# 添加在应用程序启动之前运行的函数
@app.on_event("startup")
async def startup_event():
    print("启动应用程序啦")
    items["foo"] = {"name": "Fighters"}
    items["bar"] = {"name": "Tenders"}
# 添加在应用程序关闭时运行的函数
@app.on_event("shutdown")
async def shutdown_event():
    print("关闭应用程序啦")
    with open("log.txt", mode="a") as log:
        log.write("Application shutdown")
@app.get("/items/{item_id}")
def read_items(item_id: str):
    return items[item_id]
if __name__ == '__main__':
    uvicorn.run(app="45_event:app", reload=True, host="127.0.0.1", port=8080)