/** * 增加联系人分组,返回分组ID * @param int $user_id 用户ID * @param string $name 分组名 * @return int */ public function add($user_id, $name) { $id = $this->contact_mapper->add_category($user_id, $name); if ($id) { $this->clear_cache($user_id, array('type' => 'add', 'id' => $id, 'name' => $name)); } return $id; }