Facebook API在“页面”选项卡中获取Fanpage ID [英] Facebook API get Fanpage ID inside Page Tab
问题描述
我创建了一个Facebook应用程序（页面选项卡）。此应用程序可以添加到粉丝页。
在此应用程序中，我使用Javascript进行调用，以获取适用于我应用程序的JSON数据。
I created a Facebook App (Page Tab). This App can be added to Fanpages.
In this App, I make a call with Javascript to get the right JSON Data for my App.
数据是特定于我的应用程序被添加到FB的站点。
即可当可口可乐将我的应用程序添加到他们的粉丝页面时，我需要知道这是可口可乐才能获取正确的数据。
The data is specific to the FB-Site where my App was been added.
I.e. when Coca-Cola adds my App to their Fan Page, I need to know that is coca cola - to get the right data.
现在，我的想法是创建页面选项卡，从页面保存ID。当拨打页面选项卡中的数据时，发送Fanpage ID作为参数。
Now, my Idea is when creating the Page Tab, save the ID from the Page. And when making a call to get the data in the page tab sending the Fanpage ID as a parameter.
我希望我的意思相当清楚。
I hope it is reasonably clear what I mean.
我的问题是，如何访问ID这一页？
最好用Javascript。或者这是不可能的吗？
My Question is, how got access to ID of the Page? Best with Javascript. Or is this not possible?
我会感谢任何提示！
推荐答案
p>这将是非常容易与PHP SDK。一个 signed_request 参数将传递给您的iframe，PHP SDK提供了一个名为 getSignedRequest（）的函数来解析它：
This would be very easy with the PHP SDK. A signed_request parameter will get passed on to your iframe, and the PHP SDK offers a function called getSignedRequest() to parse it:
https://developers.facebook.com/docs/reference/php/facebook-getSignedRequest/
例如：
$sr = $fb->getSignedRequest();
echo $sr['page']['id'];
使用JavaScript会变得更加复杂。您可以尝试获取signed_request参数，如下所示：如何从JavaScript中检索GET参数？ - 但你必须自己处理参数。以下是使用PHP解析您自己的参数： https://developers.facebook.com/docs/facebook-login/using-login-with-games
With JavaScript it would be a lot more complicated. You could try to get the signed_request parameter like this: How to retrieve GET parameters from javascript? - But you would have to deal with the parameter on your own. Here´s how to parse the parameter on your own with PHP: https://developers.facebook.com/docs/facebook-login/using-login-with-games
在这种情况下，不需要Facebook SDK，顺便说一句。而且它也可以用PHP< 5.4。
No Facebook SDK needed in that case, btw. And it should also work with PHP <5.4.
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