laravel lumen 微信支付宝支付扩展

<?php
namespace Yansongda\Pay\Gateways\Wechat;
use Symfony\Component\HttpFoundation\Request;
use Yansongda\Pay\Events;
use Yansongda\Pay\Exceptions\GatewayException;
use Yansongda\Pay\Exceptions\InvalidArgumentException;
use Yansongda\Pay\Exceptions\InvalidSignException;
use Yansongda\Pay\Gateways\Wechat;
use Yansongda\Supports\Collection;
class MiniappRedpackGateway extends Gateway
{
/**
* Pay an order.
*
* @author yansongda <me@yansongda.cn>
*
* @param string $endpoint
*
* @throws GatewayException
* @throws InvalidArgumentException
* @throws InvalidSignException
*/
public function pay($endpoint, array $payload): Collection
{
$payload[‘wxappid‘] = $payload[‘appid‘];
if (‘cli‘ !== php_sapi_name()) {
$payload[‘client_ip‘] = Request::createFromGlobals()->server->get(‘SERVER_ADDR‘);
}
if (Wechat::MODE_SERVICE === $this->mode) {
$payload[‘msgappid‘] = $payload[‘appid‘];
}
unset($payload[‘appid‘], $payload[‘trade_type‘],
$payload[‘notify_url‘], $payload[‘spbill_create_ip‘]);
$payload[‘sign‘] = Support::generateSign($payload);
Events::dispatch(new Events\PayStarted(‘Wechat‘, ‘Redpack‘, $endpoint, $payload));
return Support::requestApi(
‘mmpaymkttransfers/sendminiprogramhb‘,
$payload,
true
);
}
/**
* Get trade type config.
*
* @author yansongda <me@yansongda.cn>
*/
protected function getTradeType(): string
{
return ‘‘;
}
}　

$order = [
‘mch_billno‘ => ‘自己生成的交易ID‘,
‘send_name‘ => ‘商户名称‘,
‘total_amount‘ => 100,//单位：分
‘re_openid‘ => ‘用户openId‘,
‘total_num‘ => ‘1‘,
‘wishing‘ => ‘祝福语‘,
‘act_name‘ => ‘活动名称‘,
‘remark‘ => ‘备注‘,
];
$config = [
‘mch_id‘ => ‘商户号‘,
‘app_id‘ => ‘小程序ID‘,
‘key‘ => ‘在微信后台自定义的key‘,
‘cert_client‘ => ‘.../apiclient_cert.pem‘,
‘cert_key‘ => ‘.../apiclient_key.pem‘,
];
$payWechat = Pay::wechat($config);
$transfer_res = $payWechat->miniappRedpack($order);
var_dump($transfer_res);exit();