/**
* 获取阅读量
* @return number
*/
public function getView()
{
$key = 'question_view';
$redis = new Redis();
$view = $redis->zScore($key, 'question:' . $this->id);
if ($view) {
return $view;
}
return 0;
}
/**
* 获取活跃用户
* @param int $limit
*/
public function getActives($limit = 5)
{
$redis = new Redis();
$key = 'user_login';
$result = $redis->zrevrange($key, 0, $limit);
$users = array();
foreach ($result as $value) {
$user_id = explode(':', $value)[1];
$user = $this->get($user_id);
if ($user) {
$users[] = $user;
}
}
return $users;
}