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Facebook says在状态检查记录如下:我可以使用FB._userID来检查登录状态而不是FB.getLoginStatus吗?
FB.getLoginStatus(function(response) {
if (response.authResponse) {
// logged in and connected user, someone you know
} else {
// no user session available, someone you dont know
}
});
然而,这似乎是FB._userID等于0时,不登录的用户,那么为什么不检查登录状态这一点,这似乎简单得多?
if (FB._userID == 0) {
// user is not logged in
} else {
// user is logged in
}