QQ互联登陆的最简洁代码

<?php
/**
 * http://wiki.open.qq.com/wiki/
 * Date: 14-6-18
 * Time: 下午18:04
 */
class Model_Login_QqConnect extends Model_Abstract
{
    public $qq_config = array(
        'qq_k' => '10112****', //QQ应用APP ID
        'qq_s' => 'c3e5a337b1c8b82adafa80e5********', //QQ应用APP KEY
        'callback_url' => 'www.haitaohua.com/interface/login/qc', //授权回调网址
        'scope' => 'get_user_info,add_share' //权限列表，具体权限请查看官方的api文档
    );

function __construct($appid =null, $appkey=null, $access_token=NULL){
        $this->appid= $this->qq_config['qq_k'];
        $this->appkey=$this->qq_config['qq_s'];
        $this->access_token=$access_token;
    }

function login_url($callback_url, $scope=''){
        $params=array(
            'client_id'=>$this->appid,
            'redirect_uri'=>$callback_url,
            'response_type'=>'code',
            'scope'=>$scope
        );
        return 'https://graph.qq.com/oauth2.0/authorize?'.http_build_query($params);
    }

function access_token($callback_url, $code){
        $params=array(
            'grant_type'=>'authorization_code',
            'client_id'=>$this->appid,
            'client_secret'=>$this->appkey,
            'code'=>$code,
            'state'=>'',
            'redirect_uri'=>$callback_url
        );
        $url='https://graph.qq.com/oauth2.0/token?'.http_build_query($params);
        $result_str=$this->http($url);
        $json_r=array();
        if($result_str!='')parse_str($result_str, $json_r);
        return $json_r;
    }

/**
    function access_token_refresh($refresh_token){
    }
     **/

function get_openid(){
        $params=array(
            'access_token'=>$this->access_token
        );
        $url='https://graph.qq.com/oauth2.0/me?'.http_build_query($params);
        $result_str=$this->http($url);
        $json_r=array();
        if($result_str!=''){
            preg_match('/callback\(\s+(.*?)\s+\)/i', $result_str, $result_a);
            $json_r=json_decode($result_a[1], true);
        }
        return $json_r;
    }

　 // 需要调用什么方法可以自己加
    function get_user_info($openid){
        $params=array(
            'openid'=>$openid
        );
        $url='https://graph.qq.com/user/get_user_info';
        return $this->api($url, $params);
    }

function add_share($openid, $title, $url, $site, $fromurl, $images='', $summary=''){
        $params=array(
            'openid'=>$openid,
            'title'=>$title,
            'url'=>$url,
            'site'=>$site,
            'fromurl'=>$fromurl,
            'images'=>$images,
            'summary'=>$summary
        );
        $url='https://graph.qq.com/share/add_share';
        return $this->api($url, $params, 'POST');
    }

function api($url, $params, $method='GET'){
        $params['access_token']=$this->access_token;
        $params['oauth_consumer_key']=$this->appid;
        $params['format']='json';
        if($method=='GET'){
            $result_str=$this->http($url.'?'.http_build_query($params));
        }else{
            $result_str=$this->http($url, http_build_query($params), 'POST');
        }
        $result=array();
        if($result_str!='')$result=json_decode($result_str, true);
        return $result;
    }

function http($url, $postfields='', $method='GET', $headers=array()){
        $ci=curl_init();
        curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ci, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 30);
        curl_setopt($ci, CURLOPT_TIMEOUT, 30);
        if($method=='POST'){
            curl_setopt($ci, CURLOPT_POST, TRUE);
            if($postfields!='')curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
        }
        $headers[]="User-Agent: qqPHP(piscdong.com)";
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ci, CURLOPT_URL, $url);
        $response=curl_exec($ci);
        curl_close($ci);
        return $response;
    }
}

qc.php (callback.php回调页面)

<?php
/**
 * QQ账号合作登陆
 * User: xuxiang
 * Date: 14-6-18
 * Time: 上午17:43
 */
class Controller_Interface_Login_Qc extends Controller_Interface_AbstractE
{
    //http://www.haitaohua.com/interface/login/qc
    public function run()
    {
        try {
            //授权回调页面，即配置文件中的$callback_url
            session_start();
            // Step1：获取Authorization Code
            $code = $_REQUEST["code"];
            $qq = new Model_Login_QqConnect();
            if(empty($code))
            {
                //state参数用于防止CSRF攻击，成功授权后回调时会原样带回
                $_SESSION['state'] = md5(uniqid(rand(), TRUE));
                //拼接URL
                $dialog_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="
                    . $qq->qq_config['qq_k'] . "&redirect_uri=" . urlencode($qq->qq_config['callback_url']) . "&state="
                    . $_SESSION['state'];
                echo("<script> top.location.href='" . $dialog_url . "'</script>");
            }

$ret = $qq->access_token($qq->qq_config['callback_url'], $code);

if( !empty($ret) ) {
                $qq = new Model_Login_QqConnect($qq->qq_config['qq_k'], $qq->qq_config['qq_s'], $ret['access_token']);

$open_id = $qq->get_openid();
                if( !empty($open_id) ) {
                    $user_info = $qq->get_user_info($open_id['openid']);
                    echo "<pre>";
                    print_r($user_info);die;
                } else {
                    Tool_Redirect::redirect_info($_SERVER['HTTP_REFERER'], 2, '授权失败');
                }
            } else {
                Tool_Redirect::redirect_info($_SERVER['HTTP_REFERER'], 2, '授权失败');
            }

} catch (Exception $e) {
            throw $e;
        }
    }
}