web框架--tornado之cookie

 1 #!/usr/bin/env python
 2 # -*- coding: utf-8 -*-
 3 
 4 import tornado.ioloop
 5 import tornado.web
 6 
 7 
 8 class IndexHandler(tornado.web.RequestHandler):
 9     def get(self, *args, **kwargs):
10         # self.write("Hello, world")
11         t = self.get_cookie(‘auth‘)
12         if t == ‘1‘:
13             self.render(‘index.html‘)
14         else:
15             self.redirect(‘/login‘)
16 
17 class LogoutHandler(tornado.web.RequestHandler):
18     def get(self, *args, **kwargs):
19         # self.write("Hello, world")
20         self.set_cookie(‘auth‘, ‘0‘)  #退出登录，将cookie信息清空
21         self.redirect(‘/login‘)
22 
23 
24 class LoginHandler(tornado.web.RequestHandler):
25     def get(self, *args, **kwargs):
26         # self.write("Hello, world")
27         self.render(‘login.html‘, status_text=‘‘)
28 
29 
30     def post(self, *args, **kwargs):
31         username = self.get_argument(‘username‘, None)
32         pwd = self.get_argument(‘password‘, None)
33         if username == ‘yusheng_liang‘ and pwd == ‘adm‘:
34             self.set_cookie(‘auth‘, ‘1‘)  #登录谁成功，设置cookie信息
35             self.redirect(‘/index‘)
36         else:
37             self.render(‘login.html‘, status_text=‘登录失败‘)
38 settings = {
39     ‘template_path‘: ‘views‘,  #视图模板路径
40     ‘static_path‘: ‘static‘,   #静态文件路径
41 }
42 
43 #路由映射，路由系统
44 def make_app():
45     return tornado.web.Application([
46         (r"/login", LoginHandler),
47         (r"/index", IndexHandler),
48         (r"/logout", LogoutHandler),
49     ], **settings)
50 
51 if __name__ == "__main__":
52     app = make_app()
53     app.listen(8888)
54     tornado.ioloop.IOLoop.current().start()