def post(self):
errors = []
email = self.get_argument('email', None)
#未输入邮箱地址
if not email:
errors.append('reqired field email.')
user = User.objects(email=email)
if user:
errors.append('email already.')
if errors:
self.redirect(self.get_sigup_url(), errors)
return
user = User(email=email, password=make_password(), name=email)
user.save()
self.set_secure_cookie('email', email)
self.redirect('/')
