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我不知道为什么fb_login_status_response
在运行下面的脚本(仅适用于相关代码片段)而不是返回有效的FB时返回控制台中的“Uncaught ReferenceError:fb_login_status未定义”。 getLoginStatus。任何想法/反馈将不胜感激。谢谢!从函数返回FB.getLoginStatus
<script>
function load_fb(){
window.fbAsyncInit = function() {
FB.init({
appId : '251975954634982', // App ID
//channelURL : '//WWW.YOUR_DOMAIN.COM/channel.html', // Channel File
status : true, // check login status
cookie : true, // enable cookies to allow the server to access the session
oauth : true, // enable OAuth 2.0
xfbml : true // parse XFBML
}); // closes FB.init
fb_login_status = FB.getLoginStatus(function(response){
console.log("FB.getLoginStatus: ", response.status);
// NOTE - the line above does log an accurate response.status in the console!
response.status;
// NOTE - I've tried putting the return statement here, but that doesn't work.
});
};
return fb_login_status; // NOTE - this return statement is what generates the "Uncaught ReferenceError:..." in console
}
// Load FB SDK Asynchronously
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
$(document).ready(function(){
sb_session_status = checkIfSignedIn();
if (sb_session_status == "valid"){
$(".loggedIn").css("display","block");
// Block of code for logged-in users goes here
}
else{
fb_login_status_response = load_fb();
console.log("fb_login_status_response: ", fb_login_status_response);
// NOTE - else clause here to check if user signed-in via facebook
}
});
</script>
超级有用。谢谢!我还没有机会在我的程序中进行测试,但您的解释很有意义。我会确认一次我的工作。 –