'require|CheckSupplier', 'name' => 'require|unique:supplier_category,name^del', 'is_show'=>'require' ]; protected $message = [ 'id.require' => 'id不可为空', 'name.require' => '分类名称不能为空!', 'name.unique' => '分类名称已存在', 'is_show.require'=>'请选择显示状态' ]; protected function sceneAdd() { $this->only(['name']); } protected function sceneEdit() { $this->only(['id','name']) ->remove('id', 'CheckSupplier'); } public function sceneDel() { $this->only(['id']); } protected function CheckSupplier($value, $rule, $data){ if(Db::name('supplier')->get(['cid'=>$value,'del'=>0])){ return '该分类下有专家,不可删除'; } return true; } }