发布时间:2019-09-06 08:59:50编辑:auto阅读(2478)
python 从3.5开始从语言层面提供了新的异步编程语法。
import asyncio async def hello(): print("hello the world") r = await asyncio.sleep(1) print("hello again") def main(): loop = asyncio.get_event_loop() """ tasks = [ asyncio.ensure_future(hello()), ] loop.run_until_complete(asyncio.wait(tasks)) """ print("begin") loop.run_until_complete(hello()) print("end") loop.close() print("program is finished.") if __name__ == "__main__": main()
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