tornado 学习笔记

import  tornado.ioloop
import tornado.web
class MainHanlwe(tornado.web.RequestHandler):
def get(self):
login_user=self.get_secure_cookie('login_user',None)
if login_user:
self.write(login_user)
else:
self.redirect('/login')
class LoginHanmder(tornado.web.RequestHandler):
def get(self):
# self.current_user()
self.render('login.html',**{'statue':''})
def post(self,*args,**kwargs):
username=self.get_argument('name')
password=self.get_argument('pwd')
print(username,password)
if username =='liwanlei' and password =='':
self.set_secure_cookie('login_user','leizi')
self.redirect('/index')
else:
self.render('login.html',**{'status':'用户名或者密码错误'})
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.render('shangchuan.html')
def post(self,*args,**kwargs):
file=self.request.files['fff']
for mes in file:
file_name = mes['filename']
with open(file_name, 'wb') as up:
up.write(mes['body'])
class Maiandler(tornado.web.RequestHandler):
def get(self):
self.render('yan.html')
def post(self, *args, **kwargs):
obj = MainForm()
result = obj.check_valid(self)
self.write('ok')
setting={
'template_path':'template',
'static_path': 'static',
'static_url_prefix': '/static/',
'cookie_secret': 'aiuasdhflashjdfoiuashdfiuh',
'xsrf_cookie':True
}
application=tornado.web.Application([
(r"/index", Maiandler),
(r"/login", LoginHanmder),
],**setting)
if __name__=='__main__':
application.listen(5000)
tornado.ioloop.IOLoop.instance().start()
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>上传文件</title>
</head>
<body>
<form id="my_form" name="form" action="/index" method="POST" enctype="multipart/form-data" >
<input name="fff" id="my_file" type="file" />
<input type="submit" value="提交" />
</form>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
{%if status %}
{{status}}
{% end %}
<form action="" method="post">
<input type="text" name="name">
<input type="password" name="pwd">
<input type="submit" value="登录">
</form>
</body>
</html>

  

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