composer require mpusher/gm-open-sdk-php
use GM\GMOpenClient;
use GM\config\OpenApiConfig;
#merchatId 商户id
#signId 签名对应id
#publicKey 公钥
#privateKey 私钥
#mod "dev-测试环境,pro-生产环境"
$config = new OpenApiConfig($merchId, $signId, $publicKey, $privatekey, OpenApiConfig::MOD_DEV);
#$uri 接口地址
#请求参数[业务参数,数组传参]
$res = GMOpenClient::instance($config)->call('/openapi/goods/get', $param);