小程序上传临时素材

    public function get_media(){
        $imgUrl ='/var/www/boc/m/statics/public.jpg';//路径非域名
        $token ='15_XaAVnpIJhGSHso4fwBkzHAZKF_h-VmOeOJsn2o_KY9b26tezos849A53EEbPXwsezISOiZ9EGotV6yByFneqN9xJClL_WHxRFo8QT7g2d70r9HLk6tkzR1smminOpbjJvk3ZhuI4-hPqDTe_CHVfAJAPUI';
        $url ='https://api.weixin.qq.com/cgi-bin/media/upload?access_token='.$token.'&type=image';
　　　　　　//@写法别再用了
//        $data = array(
//            'media'=>'@'.$imgUrl,
//        );
         $data = array(
             'media'=>new CURLFile($imgUrl),
         );
        $return = $this->http_request($url,$data);
        $media_id = $return['media_id'];
        return $media_id;
    }

    function http_request($url,$data=''){
        $ch=curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//不验证证书
        if(!empty($data)){
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        }
        $output=curl_exec($ch);
        curl_close($ch);
        return json_decode($output,true);
    }