Facebook：获取用户的语言环境

Question

在使用 FB JS SDK 的 Facebook 网络游戏中，如何获取用户的语言环境，即用户更喜欢用什么来渲染游戏？

尝试了这些，但 none 有效：

    FB.api(
        '/me',
        { fields: 'id,name,first_name,last_name,locale,picture'},
        r => console.log( 'FB /me:', r ),
    )

打印除区域设置以外的所有内容。并且：

FB.login( response => console.log( 'locale:', response.authResponse.user.locale ) )

其中 response.authResponse 根本没有 user 字段

Answer 1

locale 不再可用，请参阅 https://developers.facebook.com/docs/graph-api/changelog/version3.0/#gapi-change:

The following default fields have replaced public_profile: […]

As a result, the following fields that belonged to public_profile are deprecated:
- […]
- locale
- […]

.

where response.authResponse doesn't have user field at all

也不应该了，你只会得到一个userID，见https://developers.facebook.com/docs/reference/javascript/FB.getLoginStatus#response_and_session_objects

Facebook：获取用户的语言环境

Facebook: obtain user's locale

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