我有SQL，我想在標準API來編寫： SELECT CASE
WHEN total_pages = 0 THEN '0 pages'
WHEN total_pages BETWEEN 1 AND 3 THEN '1-3 pages'
WHEN total_pages BETWEEN 4 AND 6 THEN '4-6 pages'
WHEN total_pages > 6 THEN '7
我有以下類的加入： public class Item
{
public int Id { get; set; }
public IDictionary<int, ItemLocal> { get; protected set; }
public ICollection<string> Tags { get; set; }
public int Defau