这是我最终在PHP部分中使用的内容:
require $_SERVER['DOCUMENT_ROOT'] . "/resource/lib/facebook-php-sdk-v4-5.0.0/autoload.php";
$fb = new Facebook\Facebook([
'app_id' => '{app ID}',
'app_secret' => '{app secret}}',
'default_graph_version' => 'v2.2',
]);
$helper = $fb->getCanvasHelper();
try {
$access_token = $helper->getAccessToken();
} catch(Facebook\Exceptions\FacebookResponseException $e) {
// When Graph returns an error
echo 'Graph returned an error: ' . $e->getMessage();
exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {
// When validation fails or other local issues
echo 'Facebook SDK returned an error: ' . $e->getMessage();
exit;
}
// Logged in
让用户获得模式窗口以允许各种权限授权的一种方法是在JS中调用以下函数:
facebook_authorize = function() {
FB.login(function(response) {
if (response.authResponse) {
//user has authorized the app
//redirect or do AJAX call
}
});
} else {
//user cancelled login or did not fully authorize
}
}, {scope: 'email, user_hometown, user_location, user_likes'});
return false;
};
window.fbAsyncInit = function() {
FB.init({
appId: '{app ID}',
cookie: true, // This is important, it's not enabled by default
status: true,
version: 'v2.2'
});
};
(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'));
PHP SDK getJavaScriptHelper();方法以相同的方式工作,但我遇到的问题是,在身份验证后刷新页面会导致以下错误:
Graph returned an error: This authorization code has been used.
我无法访问您发布的链接。
对于身份验证,您可以使用:https://developers.facebook.com/docs/php/howto/example_facebook_login
如果您的应用位于沙盒中,则必须将用户添加到应用,以便他们可以查看/授权。 developers.facebook.com/apps/[app_id]/roles/
如果你想使用对话框,你可以使用内置它的Facebook Javascript SDK。 https://developers.facebook.com/docs/javascript/examples#login