创建tornado应用输出hello world

import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write("hello world")

application = tornado.web.Application([
(r"/",MainHandler)],
)

if __name__ == "__main__":
application.listen(8888)
tornado.ioloop.IOLoop.instance().start()

tornado下载地址

tornado安装

pip
install tornado

tar
xvzf tornado-4.3.tar.gz

cd
tornado-4.3

python
setup.py build

sudo
python setup.py install