['规则1','规则2'...] * * @var array */ protected $rule = [ // 退款通知 'ascription' => 'require', 'out_trade_no' => 'require', ]; /** * 定义错误信息 * 格式:'字段名.规则名' => '错误信息' * * @var array */ protected $message = [ 'ascription.require' => '归属订单必须', 'out_trade_no.require' => '订单号必须', ]; protected $scene = [ 'refund_notify' => ['out_trade_no','out_trade_no'] ]; }