公開日時の降順（新しい順）
PV数の降順（多い順）
売上の降順（多い順）
CIDの指定順
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.