IOS应用程序无法通过在FQL中调用me()来获取Facebook uid
我正在为 IOS 编写一个程序，想要获取当前用户的 uid 和名称。我尝试了 me()，但它不返回任何值：
SELECT uid, name FROM user WHERE uid = me()
但是，当 uid 已知时它可以工作，例如：
SELECT uid, name FROM user WHERE uid = 4
Does me() 需要权限吗？
I'm writing a program for IOS and want to get uid and name of the current user. I tried me(), but it does not return any value:
SELECT uid, name FROM user WHERE uid = me()
However it works when the uid is known, for example:
SELECT uid, name FROM user WHERE uid = 4
Does me() require permission?
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“me()”快捷方式应该适用于您使用用户访问令牌进行的任何 FQL 查询
如果这不起作用，您可能实际上并未使用登录用户进行操作 - 许多 API 调用在没有用户登录的情况下仍然可以工作
The 'me()' shortcut should work in any FQL query you make with a user's access token
If this isn't working you may not actually be operating with a logged-in user - many API calls will still work without a user login
事实上，它确实需要许可。您需要让用户授权您的应用程序，然后 /me 端点才能工作。
Indeed it does require permission. You need to have the user authorize your app before the /me endpoint will work.