'require|length:1,200', 'forms|检查项' => 'require', 'type' => 'egt:0|checkType', ]; protected $message = [ 'title.length' => '名称必须200字以内', ]; protected $scene = [ ]; protected function checkType($value,$rule,$data=[]) { if($data['type'] > 0 && empty($data['busids'])){ return '未选择关联项'; } return true; } }