The Python Tornado framework uses

Processing Method t_handler.py

 fromTornado.webImportRequestHandlerclassIndexhandler (requesthandler):defGet (self): name=self.get_argument ('name',' World') Self.write ('Hello'+name)classAddHandler (requesthandler):defGet (self): Val1=self.get_argument ('Val1', 0) val2=self.get_argument ('Val2', 0) Val3=int (VAL1) +Int (val2) self.write (str (VAL3) )classMinushandler (requesthandler):defGet (self): Val1=self.get_argument ('Val1', 0) val2=self.get_argument ('Val2', 0) Val3=int (VAL1)-Int (val2) self.write (str (VAL3) )

URL path, processing method correspondence relationship t_url.py

 from import *URL=[(R'/', Indexhandler), (R' ) /page1 ' , AddHandler), (R'/page2', Minushandler)]

Start Process t_tornado.py

tornado.optionsImportTornado.web fromTornado.optionsImportdefine,optionsImportT_urldefine ("Port", default=8000,help="run on port", type=int)if __name__=="__main__": Tornado.options.parse_command_line ()#initializing the web frameworkapp=tornado.web.Application (T_url.url)#Open port Monitoring serviceHttp_server=tornado.httpserver.HTTPServer (APP) Http_server.listen (Options.port)#Start the service processTornado.ioloop.IOLoop.instance (). Start ()

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Python tornado framework uses