Question

我正在用龙卷风编写简单的购物应用程序。我的路径如下所示：

Template = Application([
(r"/order/(.*)", PlaceOrder),
(r"/form", Form),
(r"/", Welcome),
], static_path=static_path, debug=True)

在用户发布“登录信息”后，我想重定向到Form，然后在他填写自己的数据后，我想重定向到PlaceOrder。

但是Form未发布且Welcome正在运行，因此我无法进入PlaceOrder，而是被重定向到Form。这是我的课程（重要部分）：

class Welcome(TemplateHelper, RequestHandler):
"""
'Login' page. It checks if this user exists
TemplateHelper is seting paths and initiating requester.
"""
def get(self):
    self.render(self.template_welcome_path, title=u"Please fill in 
your data.")
def check_user_exists(self, account, name, email):
    if not all([account, name, email]):
        return False

    result = self.requester.check_user(account, name, email)
    return result

def post(self):
    try:
        account = self.get_argument('account', None)
        name = self.get_argument('name', None)
        email = self.get_argument('email', None)
        user_exists = self.check_user_exists(account, name, email)
        if user_exists:
            user_secret = self.requester.get_user_secret(account)
            self.redirect('/order/{}'.format(user_secret), status=303)
            return
        else:
            self.redirect('/form', status=303)
            return
    except Exception as e:
        log.error('Failed login: {}'.format(e))

class PlaceOrder(TemplateHelper,  RequestHandler):
def get(self, secret):
    account, email = self.requester.get_data_from_secret(secret)
    self.render(self.template_order_path, title='Please place your 
    order.', account=account, email=email)

def post(self, args):
    self.write('Order placed')

class Form(TemplateHelper, RequestHandler):
"""
It displays form template and collects data from it.
"""

def get(self):
    self.render(self.template_form_path,
                title=u"Fill in the form.")

async def post(self):
    reference = uuid.uuid4().hex
    account = self.get_argument('account', '')
try:
            writeonce = False
            while True:
                time.sleep(10)
                status = await self.requester.check_status(reference)
                if status == 'accepted':
                    user_secret = self.requester.get_user_secret(account)
                    self.redirect('/order/{}'.format(user_secret))
                    break
                if status == 'declined':
                    self.render(self.template_msg_path,title=u"Verification status", message=status)
                    break
                elif not writeonce:
                    self.write(
                        'Please wait, processing.')
                    self.flush()
                    writeonce = True

        except Exception as se:
            self.render(self.template_msg_path,title=u"Error", message=se.message)

发布后龙卷风无法重定向

0 个答案: