官方提供的写法
import asyncio
import uvloop
from tornado.platform.asyncio import AsyncIOMainLoop
import tornado.web
import tornado.ioloop
import tornado.options
class IndexHandler(tornado.web.RequestHandler):
def get(self):
"""对应http的get请求方式"""
self.write("Hello World!")
def run_server():
tornado.options.parse_command_line()
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
AsyncIOMainLoop().install()
app = tornado.web.Application([
(r"/", IndexHandler),
])
app.listen(8000)
asyncio.get_event_loop().run_forever()
if __name__ == '__main__':
run_server()