新浪微博的账号登录及api操作

新浪微博的账号登录及api操作，使用oauth 2.0 
官方提供的sdk都太过庞大，这是我自己简化的，提供简单的账号登录、获取个人信息、发布分享等功能，如果需要其他功能可以根据官方的api文档自行添加

更新：修改index.php中的bug；如果要使用session，请在index.php和callback.php中添加“session_start();”

sina.php

<?php
/**
 * PHP Library for weibo.com
 *
 * @author PiscDong (http://www.piscdong.com/)
 */
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;
    }
}

config.php

<?php
//配置文件
header('Content-Type: text/html; charset=UTF-8');
 
$sina_k=''; //新浪微博应用App Key
$sina_s=''; //新浪微博应用App Secret
$callback_url='http://yoururl/callback.php'; //授权回调网址
?>

index.php

<?php
session_start(); //此示例中要使用session
require_once('config.php');
require_once('sina.php');
 
function getimgp($u){
    //图片处理
    $c=@file_get_contents($u);
    $name=md5($u).'.jpg';
    $mime='image/unknown';
    return array($mime, $name, $c);
}
 
$sina_t=isset($_SESSION['sina_t'])?$_SESSION['sina_t']:'';
 
//检查是否已登录
if($sina_t!=''){
    $sina=new sinaPHP($sina_k, $sina_s, $sina_t);
 
    //获取登录用户id
    $sina_uid=$sina->get_uid();
    $uid=$sina_uid['uid'];
 
    //获取登录用户信息
    $result=$sina->show_user_by_id($uid);
    var_dump($result);
 
    /**
    //发布微博
    $content='微博内容';
    $img='http://www.baidu.com/img/baidu_sylogo1.gif';
    $img_a=getimgp($img);
    if($img_a[2]!=''){
        $result=$sina->update($content, $img_a);
        //发布带图片微博
    }else{
        $result=$sina->update($content);
        //发布纯文字微博
    }
    var_dump($result);
    **/
 
    /**
    //微博列表
    $result=$sina->user_timeline($uid);
    var_dump($result);
    **/
 
}else{
    //生成登录链接
    $sina=new sinaPHP($sina_k, $sina_s);
    $login_url=$sina->login_url($callback_url);
    echo '<a href="',$login_url,'">点击进入授权页面</a>';
}
?>

4.callback.php

<?php
//授权回调页面，即配置文件中的$callback_url
session_start(); //此示例中要使用session
require_once('config.php');
require_once('sina.php');
 
if(isset($_GET['code']) && $_GET['code']!=''){
    $o=new sinaPHP($sina_k, $sina_s);
    $result=$o->access_token($callback_url, $_GET['code']);
}
if(isset($result['access_token']) && $result['access_token']!=''){
    echo '授权完成，请记录<br/>access token：<input size="50" value="',$result['access_token'],'">';
 
    //保存登录信息，此示例中使用session保存
    $_SESSION['sina_t']=$result['access_token']; //access token
}else{
    echo '授权失败';
}
echo '<br/><a href="./">返回</a>';
?>