from tornado import web, ioloop
import datetime
period = 5 * 1000 # every 5 s
class MainHandler(web.RequestHandler):
def get(self):
self.write('Hello Tornado')
def like_cron():
print datetime.datetime.now()
def xiaorui():
print 'xiaorui 2s'
def lee():
print ' wansuilee 3s'
if __name__ == '__main__':
application = web.Application([
(r'/', MainHandler),
])
application.listen(80)
ioloop.PeriodicCallback(like_cron, period).start() # start scheduler
ioloop.PeriodicCallback(xiaorui, 1000).start() # start scheduler
ioloop.PeriodicCallback(lee, 3000).start() # start scheduler
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