以下代码来自 Facebook 官方开发者页面，适用于 FF 和 Safari，有时也适用于 Chrome，但更多情况下不适用于 Chrome。
在装有最新 Chrome 的 Snow Leopard 上，我单击登录按钮，并在 FB 登录对话框打开和关闭时看到一点闪烁。如果在我的 FB 帐户中删除并重新添加应用程序，系统会要求我提供权限，但 auth.authResponseChange 事件似乎永远不会触发。
有谁知道这是否是一个错误，或者我在哪里可以找到不需要我手动轮询服务器的解决方案？
这是 Google+ 与 Facebook 的产品吗？!
<html>
<head></head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : $APP_ID$, // App ID from the app dashboard
channelUrl : $channelUrl$, // Channel file for x-domain comms
status : true, // Check Facebook Login status
cookie : true,
oauth : true,
xfbml : true // Look for social plugins on the page
});
// Here we subscribe to the auth.authResponseChange JavaScript event. This event is fired
// for any authentication related change, such as login, logout or session refresh. This means that
// whenever someone who was previously logged out tries to log in again, the correct case below
// will be handled.
FB.Event.subscribe('auth.authResponseChange', function(response) {
console.log('auth.authResponseChange fired');
// Here we specify what we do with the response anytime this event occurs.
if (response.status === 'connected') {
// The response object is returned with a status field that lets the app know the current
// login status of the person. In this case, we're handling the situation where they
// have logged in to the app.
testAPI();
} else if (response.status === 'not_authorized') {
// In this case, the person is logged into Facebook, but not into the app, so we call
// FB.login() to prompt them to do so.
// In real-life usage, you wouldn't want to immediately prompt someone to login
// like this, for two reasons:
// (1) JavaScript created popup windows are blocked by most browsers unless they
// result from direct interaction from people using the app (such as a mouse click)
// (2) it is a bad experience to be continually prompted to login upon page load.
FB.login();
} else {
// In this case, the person is not logged into Facebook, so we call the login()
// function to prompt them to do so. Note that at this stage there is no indication
// of whether they are logged into the app. If they aren't then they'll see the Login
// dialog right after they log in to Facebook.
// The same caveats as above apply to the FB.login() call here.
FB.login();
}
});
};
// 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/en_US/all.js";
ref.parentNode.insertBefore(js, ref);
}(document));
// Here we run a very simple test of the Graph API after login is successful.
// This testAPI() function is only called in those cases.
function testAPI() {
console.log('Welcome! Fetching your information.... ');
FB.api('/me', function(response) {
console.log('Good to see you, ' + response.name + '.');
});
}
</script>
<!--
Below we include the Login Button social plugin. This button uses the JavaScript SDK to
present a graphical Login button that triggers the FB.login() function when clicked.
Learn more about options for the login button plugin:
/docs/reference/plugins/login/ -->
<!-- scope='publish_stream,read_stream' -->
<fb:login-button show-faces="true" width="200" max-rows="1"></fb:login-button>
</body>
</html>
最佳答案
进入chrome设置-高级设置；在隐私下单击“内容设置”。查看是否选中“阻止第 3 方 cookie 和站点数据”。
我遇到了类似的问题，在 chrome 中，js-sdk 会给我短暂的 fb 弹出窗口，但实际上似乎并没有让用户登录或识别正在登录/授权的用户。就我而言，我认为我已将问题范围缩小到该设置。
如果您启用了它，请尝试禁用它，看看是否可以解决您的问题...尽管这实际上只是一个诊断步骤，但它并不是一个解决方案，因为您仍然会有启用该设置的用户。
我正在尝试确定解决方法(如果有)......可能涉及使用“针对网络”的 Facebook 登录流程(即不使用他们的 sdk，从而可能避免使用第 3 方 cookie)
这是我关于此问题的版本的帖子... can facebook javascript/php SDK's "talk" to each other if 3rd-party cookies are disabled? facebook->getUser() returns 0
关于javascript - Facebook JavaScript API - Chrome 中登录失败，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/19315813/