# 异步文件操作
# pip install aiofiles# 基本用法
import asyncio
import aiofilesasync def wirte_demo():# 异步方式执行with操作,修改为 async withasync with aiofiles.open("text.txt","w",encoding="utf-8") as fp:await fp.write("hello world ")print("数据写入成功")async def read_demo():async with aiofiles.open("text.txt","r",encoding="utf-8") as fp:content = await fp.read()print(content)async def read2_demo():async with aiofiles.open("text.txt","r",encoding="utf-8") as fp:# 读取每行async for line in fp:print(line)
if __name__ == "__main__":asyncio.run(wirte_demo())asyncio.run(read_demo())asyncio.run(read2_demo())