我使用php和Facebook Graph api相当新。目前,我正在测试一些代码以从Facebook获取用户的城市位置,但我得到了一个Class' graphLocation'没发现致命错误。我提取了用户名,电子邮件和图片,但该位置无法正常工作。这是代码..
<?php
/* INCLUSION OF LIBRARY FILEs*/
require_once( 'Facebook/FacebookSession.php');
require_once( 'Facebook/FacebookRequest.php' );
require_once( 'Facebook/FacebookResponse.php' );
require_once( 'Facebook/FacebookSDKException.php' );
require_once( 'Facebook/FacebookRequestException.php' );
require_once( 'Facebook/FacebookRedirectLoginHelper.php');
require_once( 'Facebook/FacebookAuthorizationException.php' );
require_once( 'Facebook/GraphObject.php' );
require_once( 'Facebook/GraphUser.php' );
require_once( 'Facebook/GraphSessionInfo.php' );
require_once( 'Facebook/Entities/AccessToken.php');
require_once( 'Facebook/HttpClients/FacebookCurl.php' );
require_once( 'Facebook/HttpClients/FacebookHttpable.php');
require_once( 'Facebook/HttpClients/FacebookCurlHttpClient.php');
/* USE NAMESPACES */
use Facebook\FacebookSession;
use Facebook\FacebookRedirectLoginHelper;
use Facebook\FacebookRequest;
use Facebook\FacebookResponse;
use Facebook\FacebookSDKException;
use Facebook\FacebookRequestException;
use Facebook\FacebookAuthorizationException;
use Facebook\GraphObject;
use Facebook\GraphUser;
use Facebook\GraphSessionInfo;
use Facebook\FacebookHttpable;
use Facebook\FacebookCurlHttpClient;
use Facebook\FacebookCurl;
/*PROCESS*/
//1.Stat Session
session_start();
//check if users wants to logout
if(isset($_REQUEST['logout'])){
unset($_SESSION['fb_token']);
}
//2.Use app id,secret and redirect url
$app_id = '**********';
$app_secret = '**************';
$redirect_url='http://www.citywits.com/facebookTest/';
//3.Initialize application, create helper object and get fb sess
FacebookSession::setDefaultApplication($app_id,$app_secret);
$helper = new FacebookRedirectLoginHelper($redirect_url);
$sess = $helper->getSessionFromRedirect();
//check if facebook session exists
if(isset($_SESSION['fb_token'])){
$sess = new FacebookSession($_SESSION['fb_token']);
}
//logout
$logout = 'http://www.citywits.com/facebookTest.php?logout=true';
//4. if fb sess exists echo name
if(isset($sess)){
//store the token in the php session
$_SESSION['fb_token']=$sess->getToken();
//create request object,execute and capture response
$request = new FacebookRequest($sess,'GET','/me');
// from response get graph object
$response = $request->execute();
$user = $response->getGraphObject(GraphUser::classname());
$location = $response->getGraphObject(GraphLocation::classname());
// use graph object methods to get user details
$name = $user->getName();
$id = $user->getId();
$image = 'https://graph.facebook.com/'.$id.'/picture?width=300';
$email = $user->getProperty('email');
$address = $location->getCity();
echo "hi $name <br>";
echo "your email is $email <br>";
echo "address is $address <br>";
echo "<img src='$image' /><br><br>";
echo "<a href='".$logout."'><button>Logout</button></a>";
}else{
//else echo login
echo '<a href="'.$helper->getLoginUrl(array('email')).'" >Login with facebook</a>';
}
?>
该错误表示无法找到“GraphLocation”#39;&#39; GraphLocation&#39;上课,但我在这里:
<?php
/**
* Copyright 2014 Facebook, Inc.
*
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
* use, copy, modify, and distribute this software in source code or binary
* form for use in connection with the web services and APIs provided by
* Facebook.
*
* As with any software that integrates with the Facebook platform, your use
* of this software is subject to the Facebook Developer Principles and
* Policies [http://developers.facebook.com/policy/]. This copyright notice
* shall be included in all copies or substantial portions of the software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
namespace Facebook;
/**
* Class GraphLocation
* @package Facebook
* @author Fosco Marotto <fjm@fb.com>
* @author David Poll <depoll@fb.com>
*/
class GraphLocation extends GraphObject
{
/**
* Returns the street component of the location
*
* @return string|null
*/
public function getStreet()
{
return $this->getProperty('street');
}
/**
* Returns the city component of the location
*
* @return string|null
*/
public function getCity()
{
return $this->getProperty('city');
}
/**
* Returns the state component of the location
*
* @return string|null
*/
public function getState()
{
return $this->getProperty('state');
}
/**
* Returns the country component of the location
*
* @return string|null
*/
public function getCountry()
{
return $this->getProperty('country');
}
/**
* Returns the zipcode component of the location
*
* @return string|null
*/
public function getZip()
{
return $this->getProperty('zip');
}
/**
* Returns the latitude component of the location
*
* @return float|null
*/
public function getLatitude()
{
return $this->getProperty('latitude');
}
/**
* Returns the street component of the location
*
* @return float|null
*/
public function getLongitude()
{
return $this->getProperty('longitude');
}
}
您将非常感谢您的帮助!提前谢谢!
答案 0 :(得分:0)
您没有将其包含在您的文件中......
试试这个:
/* INCLUSION OF LIBRARY FILEs*/
require_once( 'Facebook/FacebookSession.php');
require_once( 'Facebook/FacebookRequest.php' );
require_once( 'Facebook/FacebookResponse.php' );
require_once( 'Facebook/FacebookSDKException.php' );
require_once( 'Facebook/FacebookRequestException.php' );
require_once( 'Facebook/FacebookRedirectLoginHelper.php');
require_once( 'Facebook/FacebookAuthorizationException.php' );
require_once( 'Facebook/GraphObject.php' );
require_once( 'Facebook/GraphLocation.php' );
require_once( 'Facebook/GraphUser.php' );
require_once( 'Facebook/GraphSessionInfo.php' );
require_once( 'Facebook/Entities/AccessToken.php');
require_once( 'Facebook/HttpClients/FacebookCurl.php' );
require_once( 'Facebook/HttpClients/FacebookHttpable.php');
require_once( 'Facebook/HttpClients/FacebookCurlHttpClient.php');
/* USE NAMESPACES */
use Facebook\FacebookSession;
use Facebook\FacebookRedirectLoginHelper;
use Facebook\FacebookRequest;
use Facebook\FacebookResponse;
use Facebook\FacebookSDKException;
use Facebook\FacebookRequestException;
use Facebook\FacebookAuthorizationException;
use Facebook\GraphObject;
use Facebook\GraphLocation;
use Facebook\GraphUser;
use Facebook\GraphSessionInfo;
use Facebook\FacebookHttpable;
use Facebook\FacebookCurlHttpClient;
use Facebook\FacebookCurl;