import tornado.ioloop
import tornado.web
from tornado.web import RequestHandler, Application, url
from tornado import httpclient, gen
import tornado.httpserver, time
class MainHandler(RequestHandler):
def initialize(self):
print("helloooooo")
async def get(self):
http = tornado.httpclient.AsyncHTTPClient()
await gen.sleep(2)
self.write("Hello")
def make_app():
db = "hello"
app = Application([url(r"/", MainHandler)])
return app
async def loop(name):
while True:
print(name)
await gen.sleep(1)
def block(num):
while True:
print(num)
time.sleep(2)
def main():
app = make_app()
app.listen(8888)
print("开启监听")
io = tornado.ioloop.IOLoop.current()
io.run_in_executor(None, block, "run_in_executor")
io.add_callback(loop, "add_callback")
io.spawn_callback(loop, "spawn_callback")
io.start()
print("end")
