【已结案】qq第三方登陆，灵异事件

  public function query()
    {
        $code=$this->code;
        $url='https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id='.$this->app_id.'&client_secret='.$this->secret.'&code='.$code.'&redirect_uri='.urlencode($this->oauth_redirect_uri);

        echo    '请求接口：'.htmlspecialchars($url);
        $result=  $this->curl($url,null);
        echo "<br>".'请求结果：'.$result;
        if(strpos('access_token=',$result)===false)
        {
            return ['errorcode'=>1,'errormsg'=>'无效的接口返回'];
        }

        $access_token=substr($result,strlen('access_token=')-1,strpos('&',$result));
        echo $access_token;
    }