經過array實現分頁

1. id列表入array

$totalIds = $redis->zRange('sbase:list',0,-1);

2. 降序

rsort($totalIds);

3. 準備分頁ids

$ids = array_slice($totalIds,(int)$start, (int)$num);

4. 根據ids準備明細

5. 返回明細