临时二维码

/**

     * 创建临时二维码接口

     * @return [type] [description]

     */

    public static function createQrcode($status)

    {

        $access_token = Self::getToken();

        //创建参数二维码接口

        $url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token={$access_token}";

        //请求数据

        $postData = [

            'expire_seconds'=>604800,

            'action_name'=>'QR_SCENE',

            'action_info'=>[

                'scene'=>[

                    'scene_id'=>$status

                ],

            ],

        ];

        $postData = json_encode($postData);

        //$postData = '{"expire_seconds": 604800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": 111}}}';

        //发请求

        //调接口 拿到票据ticket

        $data = Curl::curlPost($url,$postData);

        $data = json_decode($data,true);

        if(isset($data['ticket'])){ //获取成功

            //通过ticket换取二维码

            $url = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=".$data['ticket'];

            //echo $url;die;

            //保存图片到本地 // copy($url,"qrcode/1.jpg"); OR 读写文件

            $img = file_get_contents($url);

            $filename = "qrcode/".md5(time().rand(1000,9999)).".jpg";

            file_put_contents($filename,$img);

            //返回下载成功的二维码路径

            return $filename;

        }

        return false;

        

    }