'required', 'description' => '', 'expiration_time' => 'required', 'area_id' => 'required', 'body' => 'required', 'status' => 'required', ]; } public function attributes() { return [ 'title' => '标题', 'expiration_time' => '过期时间', 'area_id' => '区域', 'body' => '公告内容', 'status' => '是否有效' ]; } }