像Facebook的外部使用Graph Api - 的例子 [英] Like a Facebook Post externally using Graph Api - example

问题描述

有人可以给我一个例子，通过一个身份验证的用户从一个外部应用程序发布一个Facebook的帖子？说我有一个从Facebook上发帖的资料，我想创建一个按钮，让用户喜欢我应用程序的一个帖子。点击这个按钮，我怎么可以最好地创建这样的，以便在Facebook上更新用户的帖子？

我的想法是，我可以做一个javascript onclick函数，这样一个php脚本就像 - $ facebook-> api（/ $ id / likes，POST）; ，但是我需要重新初始化该页面的Facebook，然后才能进行此呼叫？或发送我的访问令牌等？这对我这个服务器端方法感到困惑。点击后如何拨打电话？一个例子真的很有帮助！谢谢提前！

解决方案

好的，所以终于找到了一个体面的解决方案，没有卷曲。这是我在我的ajax函数onclick中调用的脚本：

 <？php 
 $ access_token = $ _GET [ '令牌']; 
 
 $ post_id = $ _GET ['id']; 
 
函数do_post_request（$ url，$ data，$ optional_headers = null）
 {
 $ params = array（'http'=> array（
' '=>'POST'，
'content'=> $ data 
））; 
 if（$ optional_headers！== null）{
 $ params ['http'] ['header'] = $ optional_headers; 
} 
 $ ctx = stream_context_create（$ params）; 
 $ fp = @fopen（$ url，'rb'，false，$ ctx）; 
 if（！$ fp）{
 echoerror; 
} 
 $ response = @stream_get_contents（$ fp）; 
 if（$ response === false）{
 throw new Exception（读取数据的问题）; 
} 
 return $ response; 
} 
 
 $ data =access_token =$ access_token; 
 
 $ url ='https://graph.facebook.com/'.$post_id.'/likes'; 
 
 $ result = do_post_request（$ url，$ data，$ optional_headers = null）; 
？> 
  

另外在我测试过的工作代码中，$ post_id的用户标识的头文件如下： SOURCEUSERID_POSTID

从这篇文章的组合得到这个解决方案 - http://wezfurlong.org/blog/2006/nov/http-post-from-php-without-curl/

和这一个 - 喜欢Facebook上的帖子图表api

希望这有助于别人出去！

Could someone please give me an example of posting a like for a facebook post from an external app with an authenticated user?

Say I have a feed pulling posts from facebook, and I want to create a button that lets the user like a post from my app. On click of this button, how could I best create that like so that the post is updated on Facebook with the user's like?

My thoughts are that I could make a javascript onclick function that ajaxes to a php script that does something like - $facebook->api("/$id/likes",'POST'); , but do I need to re-initialize facebook from that page before I can make this call? or send my access token etc.? This is what kind of confuses me about this server-side method. How do you make this call upon click? An example would be really helpful! Thanks in advance!!

解决方案

Okay so finally found a decent solution, and without curl. This is the script I call to in my ajax function onclick:

<?php
$access_token = $_GET['token'];

$post_id = $_GET['id'];

function do_post_request($url, $data, $optional_headers = null)
{
$params = array('http' => array(
          'method' => 'POST',
          'content' => $data
        ));
if ($optional_headers !== null) {
  $params['http']['header'] = $optional_headers;
}
$ctx = stream_context_create($params);
$fp = @fopen($url, 'rb', false, $ctx);
if (!$fp) {
  echo "error";
}
$response = @stream_get_contents($fp);
if ($response === false) {
  throw new Exception("Problem reading data");
}
  return $response;
}

$data = "access_token=".$access_token;

$url = 'https://graph.facebook.com/'.$post_id.'/likes';

$result = do_post_request($url, $data, $optional_headers = null);
?>

Also in my tested working code the $post_id has the user id whose post it was first like this: SOURCEUSERID_POSTID

Got this solution from a combination of this post - http://wezfurlong.org/blog/2006/nov/http-post-from-php-without-curl/

and this one - Like posts over Facebook graph api

hope this helps someone else out !

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