如何获取Request Dialog的数据参数？ [英] How to get back the data parameter of the Request Dialog?
问题描述
我需要使用Facebook的请求对话框来让用户邀请他们的朋友。我有疑问请求对话框的数据 paramenter。
I need to use Facebook's Request Dialog to let user invite their friends. I have a doubt regarding the data paramenter of the request dialog.
https://developers.facebook.com/docs/reference/dialogs/requests/
数据：可选，您可以通过其他数据进行跟踪。这将被存储为创建的请求对象的一部分。最大长度为255个字符。
data: Optional, additional data you may pass for tracking. This will be stored as part of the request objects created. The maximum length is 255 characters.
如果我将此参数设置为1234，那么当用户授权应用程序点击时，如何获取此值（1234）在邀请函中的链接？
If I set this paramenter with an id like 1234, How can I get back this value (1234) when the user authorize the application clicking on the link in the invitation message?
谢谢！
推荐答案
当用户单击请求并获取到您的页面（使用request_ids参数）时，您应该获取请求的数据。
When the user clicks the requests and gets to your page (with the "request_ids" parameter) you should then get the data for the requests.
获取请求来自：
您将获得一个请求列表，每个数据（如果发送）。
使用request_ids参数中传递给您的id来获取您需要的请求，并在其中找到应该保存与请求一起发送的数据的data字段（在您的
You will get a list of the requests and the data for each one (if such was sent). Get the request that you need, using the id that was passed to you in the request_ids parameter, and in it you should find the "data" field which should hold the data you sent along with the request (1234 in your example).
详细了解请求指南。
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