from fastapi import APIRouter
import time
import asyncio
 
router = APIRouter()

 
@router.get("/a")
async def a():
    time.sleep(1)
    return {"message": "异步模式，但是同步执行sleep函数，执行过程是串行的"}
 
 
@router.get("/b")
async def b():
    loop = asyncio.get_event_loop()
    await loop.run_in_executor(None, time.sleep, 1)
    return {"message": "异步线程池中运行sleep函数"}
 
 
@router.get("/c")
async def c():
    await asyncio.sleep(1)
    return {"message": "异步模式，且异步执行sleep函数"}
 
 
@router.get("/d")
def d():
    time.sleep(1)
    return {"message": "同步模式"}