PHP学习第三方登录之新浪微博登录

新浪微博登录用到class

<?php

class sinaPHP
{
    function __construct($client_id, $client_secret, $access_token=NULL){
        $this->client_id=$client_id;
        $this->client_secret=$client_secret;
        $this->access_token=$access_token;
    }

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

    function access_token($callback_url, $code){
        $params=array(
            'grant_type'=>'authorization_code',
            'code'=>$code,
            'client_id'=>$this->client_id,
            'client_secret'=>$this->client_secret,
            'redirect_uri'=>$callback_url
        );
        $url='https://api.weibo.com/oauth2/access_token';
        return $this->http($url, http_build_query($params), 'POST');
    }

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

    function get_uid(){
        $params=array();
        $url='https://api.weibo.com/2/account/get_uid.json';
        return $this->api($url, $params);
    }

    function show_user_by_id($uid){
        $params=array(
            'uid'=>$uid
        );
        $url='https://api.weibo.com/2/users/show.json';
        return $this->api($url, $params);
    }

    function statuses_count($ids){
        $params=array(
            'ids'=>$ids
        );
        $url='https://api.weibo.com/2/statuses/count.json';
        return $this->api($url, $params);
    }

    function get_comments_by_sid($id, $count=10, $page=1){
        $params=array(
            'id'=>$id,
            'page'=>$page,
            'count'=>$count
        );
        $url='https://api.weibo.com/2/comments/show.json';
        return $this->api($url, $params);
    }

    function repost_timeline($id, $count=10, $page=1){
        $params=array(
            'id'=>$id,
            'page'=>$page,
            'count'=>$count
        );
        $url='https://api.weibo.com/2/statuses/repost_timeline.json';
        return $this->api($url, $params);
    }

    function update($img_c, $pic=''){
        $params=array(
            'status'=>$img_c
        );
        if($pic!='' && is_array($pic)){
            $url='https://api.weibo.com/2/statuses/upload.json';
            $params['pic']=$pic;
        }else{
            $url='https://api.weibo.com/2/statuses/update.json';
        }
        return $this->api($url, $params, 'POST');
    }

    function user_timeline($uid, $count=10, $page=1){
        $params=array(
            'uid'=>$uid,
            'page'=>$page,
            'count'=>$count
        );
        $url='https://api.weibo.com/2/statuses/user_timeline.json';
        return $this->api($url, $params);
    }

    function querymid($id, $type=1, $is_batch=0){
        $params=array(
            'id'=>$id,
            'type'=>$type,
            'is_batch'=>$is_batch
        );
        $url='https://api.weibo.com/2/statuses/querymid.json';
        return $this->api($url, $params);
    }

    function api($url, $params, $method='GET'){
        $params['access_token']=$this->access_token;
        if($method=='GET'){
            $result=$this->http($url.'?'.http_build_query($params));
        }else{
            if(isset($params['pic'])){
                uksort($params, 'strcmp');
                $str_b=uniqid('------------------');
                $str_m='--'.$str_b;
                $str_e=$str_m. '--';
                $body='';
                foreach($params as $k=>$v){
                    if($k=='pic'){
                        if(is_array($v)){
                            $img_c=$v[2];
                            $img_n=$v[1];
                        }elseif($v{0}=='@'){
                            $url=ltrim($v, '@');
                            $img_c=file_get_contents($url);
                            $url_a=explode('?', basename($url));
                            $img_n=$url_a[0];
                        }
                        $body.=$str_m."\r\n";
                        $body.='Content-Disposition: form-data; name="'.$k.'"; filename="'.$img_n.'"'."\r\n";
                        $body.="Content-Type: image/unknown\r\n\r\n";
                        $body.=$img_c."\r\n";
                    }else{
                        $body.=$str_m."\r\n";
                        $body.='Content-Disposition: form-data; name="'.$k."\"\r\n\r\n";
                        $body.=$v."\r\n";
                    }
                }
                $body.=$str_e;
                $headers[]="Content-Type: multipart/form-data; boundary=".$str_b;
                $result=$this->http($url, $body, 'POST', $headers);
            }else{
                $result=$this->http($url, http_build_query($params), 'POST');
            }
        }
        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);
        }
        $headers[]="User-Agent: sinaPHP(piscdong.com)";
        curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ci, CURLOPT_URL, $url);
        $response=curl_exec($ci);
        curl_close($ci);
        $json_r=array();
        if($response!='')$json_r=json_decode($response, true);
        return $json_r;
    }
}

• 示例文件

//生成登录链接
require_once('sina.php');
$app_key=''; //新浪微博应用App Key
$app_secret=''; //新浪微博应用App Secret
$callback_url='http://xxxxx.com/xxxx.php'; //回调网址，请根据自己的实际情况修改

$sina=new sinaPHP($app_key, $app_secret);
$login_url=$sina->login_url($callback_url); //生成登录链接，部分平台需要权限，格式请参考各平台api文档
echo '<a href="'.$login_url.'">点击进入授权页面</a>';

//授权回调页面，即生成登录链接时的$callback_url
require_once('sina.php');
$app_key=''; //新浪微博应用App Key
$app_secret=''; //新浪微博应用App Secret
$callback_url='http://yoururl/sina_callback.php'; //回调网址，必须和生成登录链接时相同

if(isset($_GET['code']) && $_GET['code']!=''){
    $sina=new sinaPHP($app_key, $app_secret);
    $result=$sina->access_token($callback_url, $_GET['code']); //获取access token
    /**
     * $result['access_token']，用户access token
     * $result['expires_in']，access token的有效期，单位：秒
     * 部分平台会有$result['refresh_token']，refresh token，access token到期后使用refresh token生成新的access token
     * 腾讯微博还需要保存$_GET['openid']
     */
}

//用户登录授权后操作api
require_once('sina.php');
$app_key=''; //新浪微博应用App Key
$app_secret=''; //新浪微博应用App Secret
$access_token=''; //授权回调页面生成的用户access token

$sina=new sinaPHP($app_key, $app_secret, $access_token); //腾讯微博还需要openid，授权回调页面保存的$_GET['openid']

$sina_uid=$sina->get_uid(); //登录用户uid
//其他功能请参考sina.php自行使用，或者根据api文档自行添加
//其他平台的使用方法和新浪微博类似，各种api的返回数据格式各有不同，请自行参考各平台的api文档

//支持refresh token的平台在access token到期后请使用access_token_refresh()生成新的access token