本文实例为大家分享了tornado实现登录和登出的具体代码,供大家参考,具体内容如下
main.py如下:
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import tornado.httpserver
import tornado.ioloop
import tornado.web
import tornado.options
import os.path
from tornado.options import define, options
define( "port" , default = 8000 , help = "run on the given port" , type = int )
class BaseHandler(tornado.web.RequestHandler):
def get_current_user( self ):
return self .get_secure_cookie( "username" )
class LoginHandler(BaseHandler):
def get( self ):
self .render( 'login.html' )
def post( self ):
self .set_secure_cookie( "username" , self .get_argument( "username" ))
self .redirect( "/" )
class WelcomeHandler(BaseHandler):
@tornado .web.authenticated
def get( self ):
self .render( 'index.html' , user = self .current_user)
class LogoutHandler(BaseHandler):
def post( self ):
if ( self .get_argument( "logout" , None )):
self .clear_cookie( "username" )
self .redirect( "/" )
if __name__ = = "__main__" :
tornado.options.parse_command_line()
settings = {
"template_path" : os.path.join(os.path.dirname(__file__), "templates" ),
"cookie_secret" : "bZJc2sWbQLKos6GkHn/VB9oXwQt8S0R0kRvJ5/xJ89E=" ,
"login_url" : "/login"
}
application = tornado.web.Application([
(r '/' , WelcomeHandler),
(r '/login' , LoginHandler),
(r '/logout' , LogoutHandler)
],debug = True , * * settings)
http_server = tornado.httpserver.HTTPServer(application)
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
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index.html
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< html >
< head >
</ head >
< body >
< p >Hello {{ user }}</ p >
< form action = "/logout?logout=1" method = "post" >
< input type = "submit" value = "Log out" ></ br >
</ body >
</ html >
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login.html
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< html >
< head >
</ head >
< body >
< h >Login Page</ h >
< form action = "/login" method = "post" >Name:< input type = "text" name = "username" ></ br >
< input type = "submit" value = "Sign in" ></ br >
</ form >
</ body >
</ html >
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/Bayron/article/details/16867109