1.Tornado下载：https://pypi.python.org/pypi/tornado/ 下载最新的

2.解压和安装:

tar xf 

cd 

python setup.py install

3.tornado例子：

import tornado.ioloopimport tornado.webclass MainHandler(tornado.web.RequestHandler):    def get(self):        self.write("Hello, world")class URLGetsHandler(tornado.web.RequestHandler):    def get(self):        post_data = {}        strTmp = ''        #key = ''        args = self.request.arguments        for key in args:            post_data[key] = self.get_argument(key)            strTmp = strTmp + "%s = %s "%(key, post_data[key])            print('%s = %s '%(key, post_data[key]))        self.write(strTmp)class TestGetHandler(tornado.web.RequestHandler):    def get(self):        id = self.get_argument('id','0')        if 0 == len(id) :            self.write("id = 0")        else:            self.write("id = %s"%(id))    def post(self,data):        self.write(data)def make_app():    return tornado.web.Application([        (r"/", MainHandler),        (r"/TestGet", TestGetHandler),        (r"/URLGets", URLGetsHandler),    ], debug=True)if __name__ == "__main__":    app = make_app()    app.listen(8888)    tornado.ioloop.IOLoop.current().start()