tornado第一段代码

import tornado.web
import tornado.ioloop


class IndexHandler(tornado.web.RequestHandler):
	"""请求处理类"""
	def get(self):
		self.write("hello tornado")


		
if __name__ == '__main__':
	app = tornado.web.Application(
		[
		(r"/", IndexHandler),
		]
	)
	app.listen(8000)
	tornado.ioloop.IOLoop.current().start()