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檢測facebook用戶是否在沒有彈出窗口的情況下登錄

[英]Detect if facebook user is logged in with no popups

我正在嘗試檢查用戶是否已登錄Facebook(並重定向到其他頁面),但是無法為此打開任何彈出窗口:

這將起作用:但是如果用戶未登錄Facebook,則會打開一個彈出窗口

FB.login(function(response) {
    if(response.status == 'connected')
              /*Redirect here*/
});

這是在我的另一個網絡中工作的,但不在這里

window.fbAsyncInit = function() {
                FB.init({
                  appId      : myAppid, // App ID 
                  status     : true, // check login status
                  cookie     : true, // enable cookies to allow the server to access the session
                  xfbml      : true  // parse XFBML
                });
                FB.Event.subscribe('auth.login', function() {
                      /* REDIRECT HERE */
                });
              };
              // Load the SDK Asynchronously
              (function(d){
                 var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
                 if (d.getElementById(id)) {return;}
                 js = d.createElement('script'); js.id = id; js.async = true;
                 js.src = "//connect.facebook.net/es_ES/all.js";
                 ref.parentNode.insertBefore(js, ref);
               }(document));

這里有什么線索嗎?

您可以使用FB.getLoginStatus獲取所需的信息。

在當前瀏覽器會話中,第一次調用FB.getLoginStatus或以status: true初始化JS SDK時,響應對象將被SDK緩存。 隨后調用FB.getLoginStatus將從此緩存的響應中返回數據。

文檔中的示例:

FB.getLoginStatus(function(response) {
  if (response.status === 'connected') {
    // the user is logged in and has authenticated your
    // app, and response.authResponse supplies
    // the user's ID, a valid access token, a signed
    // request, and the time the access token 
    // and signed request each expire
    var uid = response.authResponse.userID;
    var accessToken = response.authResponse.accessToken;
  } else if (response.status === 'not_authorized') {
    // the user is logged in to Facebook, 
    // but has not authenticated your app
  } else {
    // the user isn't logged in to Facebook.
  }
});

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