class Cate extends Validate
{

protected $rule = [
"pid" => 'number|egt:0',
"name" => 'require|max:50|unique:cate',
];

protected $message = [
'pid.egt' => '需要选择上级分类',
'name.require' => '分类名称必须',
'name.unique' => '名称不能重复',
];

protected $scene = [
'add' => ['name' => 'require|unique:cate'],
'edit' => ['name' => 'require|unique:cate,pid!='.$data['pid']]
];