'require', 'title' => 'require|unique:ad,title^del^terminal', 'pid' => 'require|checkPid|checkCategory', 'image' => 'require', ]; protected $message = [ 'id.require' => '请选择广告', 'title.require' => '请输入广告名称', 'title.unique' => '广告名称已存在', 'pid.require' => '请选择广告位', 'image.require' => '请上传广告图', ]; public function sceneAdd(){ return $this->remove('id',['require']); } public function sceneDel(){ return $this->only(['id']); } public function sceneSwtich(){ return $this->only(['id']); } public function checkPid($value,$rule,$data){ $ad_position = Db::name('ad_position') ->where(['id'=>$value,'del'=>0]) ->find(); if(empty($ad_position)){ return '广告位不存在'; } return true; } public function checkCategory($value,$rule,$data){ //选择了分类广告位,验证分类 if(in_array($value,[3,4])){ if(empty($data['category_id'])){ return '请选择商品分类'; } $category = Db::name('goods_category') ->where(['id'=>$data['category_id'],'del'=>0]) ->find(); if(empty($category)){ return '商品分类不存在'; } } return true; } }