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我試圖讓FB應用程序顯示在Facebook的應用程序頁面上，但iFrame只是空白。該應用完美地在localhost和appspot上運行，但是當它加載到facebook裏面時什麼也沒有發生。在應用引擎上顯示爲空白頁面的Facebook應用程序iframe
如果我查看iframe的來源，什麼都沒有出現，但如果我刷新此頁面，所有的代碼顯示正常？
我試過沙盒或關閉，並有兩個獨立的應用程序設置本地主機和appspot。兩者都做同樣的事情。
這是我主要的應用程序代碼
import cgi
import datetime
import urllib
import wsgiref.handlers
import os
import facebook
import os.path
from google.appengine.ext import db
from google.appengine.api import users
from google.appengine.ext import webapp
from google.appengine.ext.webapp import util
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app
#local
FACEBOOK_APP_ID = "----------------"
FACEBOOK_APP_SECRET = "---------------"
#live
#FACEBOOK_APP_ID = "--------"
#FACEBOOK_APP_SECRET = "--------------"
class User(db.Model):
id = db.StringProperty(required=True)
created = db.DateTimeProperty(auto_now_add=True)
updated = db.DateTimeProperty(auto_now=True)
name = db.StringProperty(required=True)
location = db.StringProperty(required=False)
profile_url = db.StringProperty(required=True)
access_token = db.StringProperty(required=True)
user_has_logged_in = db.BooleanProperty(required=True)
class PageModel:
def __init__(self, user, friends):
self.user = user
self.friends = friends
#self.length = self.friends['data'].__len__()
class BaseHandler(webapp.RequestHandler):
"""Provides access to the active Facebook user in self.current_user
The property is lazy-loaded on first access, using the cookie saved
by the Facebook JavaScript SDK to determine the user ID of the active
user. See http://developers.facebook.com/docs/authentication/ for
more information.
"""
@property
def current_user(self):
if not hasattr(self, "_current_user"):
self._current_user = None
cookie = facebook.get_user_from_cookie(
self.request.cookies, FACEBOOK_APP_ID, FACEBOOK_APP_SECRET)
#if logged in
if cookie:
# get user from db
user = User.get_by_key_name(cookie["uid"])
# Store a local instance of the user data so we don't need
# a round-trip to Facebook on every request
if not user:
graph = facebook.GraphAPI(cookie["access_token"])
profile = graph.get_object("me")
user = User(key_name=str(profile["id"]),
id=str(profile["id"]),
name=profile["name"],
location=profile["location"]["name"],
profile_url=profile["link"],
access_token=cookie["access_token"],
user_has_logged_in = True)
user.put()
#else if we do have a user, but their cookie access token
#is out of date in the db, update it
elif user.access_token != cookie["access_token"]:
user.access_token = cookie["access_token"]
user.put()
self._current_user = user
#user = facebook.get_user_from_cookie(self.request.cookies, FACEBOOK_APP_ID, FACEBOOK_APP_SECRET)
friends = "chris"
pageModel = PageModel(self._current_user, friends)
return pageModel
return self._current_user
class Index(BaseHandler):
def get(self):
path = os.path.join(os.path.dirname(__file__), "index.html")
#args = dict(current_user=self.current_user,
# facebook_app_id=FACEBOOK_APP_ID)
args = dict(pageModel=self.current_user,
facebook_app_id=FACEBOOK_APP_ID)
self.response.out.write(template.render(path, args))
application = webapp.WSGIApplication([
('/', Index),
('/savemyaddress', SaveMyAddress)
], debug=True)
def main():
run_wsgi_app(application)
#util.run_wsgi_app(webapp.WSGIApplication([(r"/", HomeHandler)], debug=True))
if __name__ == '__main__':
main()
和主頁
<script>
window.fbAsyncInit = function() {
FB.init({appId: '{{ facebook_app_id }}',
status: true,
cookie: true,
xfbml: true});
FB.Event.subscribe('{% if pageModel.user %}auth.logout{% else %}auth.login{% endif %}', function(response) {
window.location.reload();
});
};
(function() {
var e = document.createElement('script');
e.type = 'text/javascript';
e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
e.async = true;
document.getElementById('fb-root').appendChild(e);
}());
</script>