public function rules()
{
// 添加验证
$validate = new ValidateUtil();
$validate->required('title');
$validate->required('href');
$validate->required('order_sort');
$validate->minLength('title', 1);
$validate->maxLength('title', 50);
$validate->minLength('href', 1);
$validate->maxLength('href', 500);
$validate->numeric('order_sort');
$validate->url('href');
return $validate;
}
