我正在使用Nick Johnsons Webapp & Templates应用程序作为我正在尝试做的事情的基础。当我尝试调用 render_template 时,我收到“AttributeError:'NoneType' 对象没有属性 'write'”。我知道这是因为当我将对象“Capture”实例化为 X 时,它没有响应属性。我到处寻找解决方案,但在任何地方都找不到。
注意:还有其他方法可以做到这一点,但我需要它与我的设置方式一样紧密!
追溯:
Traceback (most recent call last):
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 1535, in __call__
rv = self.handle_exception(request, response, e)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 1529, in __call__
rv = self.router.dispatch(request, response)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 1278, in default_dispatcher
return route.handler_adapter(request, response)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 1102, in __call__
return handler.dispatch()
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 572, in dispatch
return self.handle_exception(e, self.app.debug)
File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2/webapp2.py", line 570, in dispatch
return method(*args, **kwargs)
File "/Users/userx/Documents/_FRESHCUTZ MEDIA/Google/GAE - Test web form 1 /testwebform1/main.py", line 41, in post
x.calculateYear(name, age)
File "/Users/userx/Documents/_FRESHCUTZ MEDIA/Google/GAE - Test web form 1 /testwebform1/main.py", line 49, in calculateYear
self.response.write(self.render_template('index.html', **template_args))
AttributeError: 'NoneType' object has no attribute 'write'
主文件
import os
import webapp2
from webapp2_extras import jinja2
class BaseHandler(webapp2.RequestHandler):
@webapp2.cached_property
def jinja2(self):
return jinja2.get_jinja2(app=self.app)
def render_template(self, filename, **template_args):
self.response.write(self.jinja2.render_template(filename, **template_args))
class MainPage(BaseHandler):
def get(self):
template_args = {}
self.render_template('index.html', **template_args)
class CaptureDetails(BaseHandler):
def post(self):
name = self.request.get("name").strip()
age = self.request.get("age").strip()
x = Calculate()
x.calculateYear(name, age)
class Calculate(BaseHandler):
def calculateYear(self, name, age):
template_args = {"age": age}
self.render_template('name.html', **template_args)
app = webapp2.WSGIApplication([
('/', MainPage),
('/capture', CaptureDetails),
('/age', Calculate)
], debug=True)
我究竟做错了什么?非常感谢任何帮助/建议!