asyncio协程提高执行效率

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from fastapi import FastAPI
import asyncioapp = FastAPI()async def task1():# 模拟执行任务1print("开始执行任务1")await asyncio.sleep(1)print("结束执行任务1")return "Result from Task 1"async def task2():# 模拟执行任务2print("开始执行任务2")await asyncio.sleep(1)print("结束执行任务2")return "Result from Task 2"async def task3():# 模拟执行任务3print("开始执行任务3")await asyncio.sleep(1)print("结束执行任务3")return "Result from Task 3"async def execute_tasks_async():# 并发执行三个任务results = await asyncio.gather(task1(), task2(), task3())return results@app.get("/execute_tasks")
async def execute_tasks():results = await execute_tasks_async()return {"Task 1": results[0], "Task 2": results[1], "Task 3": results[2]}if __name__ == "__main__":import uvicornuvicorn.run(app, host="0.0.0.0", port=5023)

执行结果

解释说明

https://fastapi.tiangolo.com/zh/async/#in-a-hurry

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