'', 'uid' => '', 'filename' => '', 'attachment' => '', 'type' => '', 'createtime' => '', 'module_upload_dir' => '', 'group_id' => '0', 'displayorder' => '', ); public function deleteById($id) { return $this->where('id', $id)->delete(); } public function searchWithUniacid($uniacid) { return $this->query->where('uniacid', $uniacid); } public function searchWithUid($uid) { return $this->query->where('uid', $uid); } public function searchWithUploadDir($module_upload_dir) { return $this->query->where(array('module_upload_dir' => $module_upload_dir)); } public function searchWithType($type) { return $this->query->where(array('type' => $type)); } public function searchWithGroupId($groupid) { return $this->query->where(array('group_id =' => $groupid)); } public function searchWithTime($start_time, $end_time) { return $this->query->where(array('createtime >=' => $start_time))->where(array('createtime <=' => $end_time)); } }