基于cookie实现用户验证

#!/usr/bin/env python
import tornado.ioloop
import tornado.web

class IndexHander(tornado.web.RequestHandler):
    def get(self, *args, **kwargs):
        if self.get_argument('u',None)in['alex','eric']:
            # self.set_cookie('name',self.get_argument('u'))
            self.write("登录成功")
            self.set_secure_cookie('user',self.get_argument('u'))
        else:
            self.write('请登录')
class ManagerHandler(tornado.web.RequestHandler):
    def get(self, *args, **kwargs):
        # if self.get_cookie('name',None) in ['alex','eric']:
        if str(self.get_secure_cookie('user',None),encoding='utf-8') in ['alex','eric']:
            self.write("欢迎登录:" + str(self.get_secure_cookie('user'),encoding="utf-8"))
        else:
            self.redirect('/index')
settings = {
    "template_path":"views",
    "static_path":"statics",
    "cookie_secret":"taochen"
}

application = tornado.web.Application([
    (r"/index",IndexHander),
    (r"/manager",ManagerHandler),
],**settings)

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