转账到支付宝扩展包

use Lilei\AlipayTransfer\AliPayTransferService;

// 配置
$config = []
$pay = new AliPayTransferService($config);
// 设置业务请求参数
$biz_content = [];
$pay->setBizContent($biz_content);
// 执行请求
$callback = $pay->accountQuery();