'integer', 'results' => TransactionDetailsCast::class, 'coin_returned' => 'integer', ]; /** * 获取关联的物品 * * @return BelongsTo */ public function item(): BelongsTo { return $this->belongsTo(Item::class, 'item_id'); } /** * 获取关联的物品实例(如果有) * * @return BelongsTo */ public function instance(): BelongsTo { return $this->belongsTo(ItemInstance::class, 'instance_id'); } /** * 获取关联的分解规则 * * @return BelongsTo */ public function rule(): BelongsTo { return $this->belongsTo(ItemDismantleRule::class, 'rule_id'); } }