HelloWorld.py

#coding:utf8
'''
Created on 2016年8月1日

@author: wolfrg
'''
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web


from tornado.options import define,options
define("port",default=8000,help="run on the given port",type=int)
class IndexHandler(tornado.web.RequestHandler):
    def get(self):
        greeting = self.get_argument('greeting', 'Hello')
        self.write(greeting + ',welcome you to read:www.baidu.com')
        
        
        
if __name__=="__main__":
    tornado.options.parse_command_line()
    #将tornado.web.Application类实例化
    app = tornado.web.Application(handlers=[(r"/",IndexHandler)])
    http_server = tornado.httpserver.HTTPServer(app)
    http_server.listen(options.port)
    tornado.ioloop.IOLoop.instance().start()