Question

所以，我最近创建了一个可供所有用户使用的FB，据我所知，它不是沙箱模式。我使用了FB Developers网站上的文档中提供的示例代码，并将其放在localhost上。设置“App Domains”和“Site URL”都是正确的。所以，即使我登录FB，登录后，在Chrome的JS控制台中，它会显示statusChangeCallback splash.php:60 Object {status: "unknown", authResponse: null}

我使用了以下代码

<script>
    // This is called with the results from from FB.getLoginStatus().
    function statusChangeCallback(response) {
        console.log('statusChangeCallback');
        console.log(response);

        if(response.status === 'connected') {
            testAPI();
        } else if(response.status === 'not_authorized') {
            document.getElementById('status').innerHTML = 'Please log ' + 'into this app.';
        } else {
            document.getElementById('status').innerHTML = 'Please log ' + 'into Facebook.';
        }
    }

    // This function is called when someone finishes with the Login
    // Button.  See the onlogin handler attached to it in the sample
    // code below.
    function checkLoginState() {
        FB.getLoginStatus(function(response) {
            statusChangeCallback(response);
        });
    }

    window.fbAsyncInit = function() {
        FB.init({
            appId: "I'm not dumb",
            //cookie: true,  
            status: true,
            xfbml: true,  
            oauth: true,
            version: 'v2.1' 
        });

        FB.getLoginStatus(function(response) {
            alert(response);
            if(response.status === 'connected') {
            if(response.authResponse != 'undefined') {
                    window.location = '<?php echo $base_url; ?>register';
                        }
            } else if(response.status === 'not_authorized') {
                        // it means we have a user but he hasn't granted any permissions to our app
                        // we're going to redirect him to the permission page
            } else {
                        //the user is not logged in, as you already have a login button you don't have to do nothing  
            }
        });

        FB.Event.subscribe('auth.login', function(response) {
            window.location = '<?php echo $base_url; ?>register';
        });

        FB.getLoginStatus(function(response) {
            statusChangeCallback(response);
        });
    };

    // Load the SDK asynchronously
    (function(d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0];
        if (d.getElementById(id)) return;
        js = d.createElement(s); js.id = id;
        js.src = "//connect.facebook.net/en_US/sdk.js";
        fjs.parentNode.insertBefore(js, fjs);
    } (document, 'script', 'facebook-jssdk'));

    // Here we run a very simple test of the Graph API after login is
    // successful.  See statusChangeCallback() for when this call is made.
    function testAPI() {
        console.log('Welcome!  Fetching your information.... ');

        FB.api('/me', function(response) {
        console.log('Successful login for: ' + response);
        document.getElementById('status').innerHTML = 'Thanks for logging in, ' + response + '!';
    });
    }
</script>

<fb:login-button scope="" onlogin="checkLoginState();"></fb:login-button>
<div id="status"></div>

我完全不知道为什么会这样，我以前从未遇到过这个问题。

Answer 1

我查看了你的代码，

您已编辑过js代码。

使用您可在以下链接中找到的代码恢复当前的js代码

https://developers.facebook.com/docs/facebook-login/login-flow-for-web/v2.1

Facebook登录流程返回状态＆＃34;未知＆＃34;

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