/**
* 好友列表
*
* @access public
* @param 无
* @return arrary
*/
public function getFriend($user_id)
{
$str = $user_id . '_friend';
$friendList = UserCache::getByKey($str, 'friend_list');
if (!$friendList) {
$friendInfo = FriendModel::getFriendList($user_id);
foreach ($friendInfo as $key => $value) {
$friendList[] = $value['n_id'];
}
UserCache::setByKey($str, 'friend_list', $friendList);
}
return $friendList;
}
