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                ## 方法一 mysql> SELECT * FROM `ware_product`; +----+----------+--------------+------------------------------+--------+ | id | category | name | attributes | status | +----+----------+--------------+------------------------------+--------+ | 1 | 329475 | 某種手機 | ["網絡","顏色","存儲"] | 1 | | 2 | 131329 | 某種衣服 | ["尺碼","顏色"] | 1 | +----+----------+--------------+------------------------------+--------+ 2 rows in set (0.00 sec) mysql> SELECT * FROM `ware_item`; +----+-----+--------+--------------+------------------------+---------+-------+--------+ | id | pid | fakeid | name | attributes | price | stock | status | +----+-----+--------+--------------+------------------------+---------+-------+--------+ | 1 | 1 | 583701 | NULL | ["電信","白","16G"] | 1999.00 | NULL | 1 | | 2 | 1 | 583702 | NULL | ["電信","黑","16G"] | 1999.00 | NULL | 1 | | 3 | 1 | 583703 | 最后五臺 | ["移動","黑","64G"] | 1999.00 | 5 | 1 | | 4 | 2 | 241351 | NULL | ["M","紅"] | 128.00 | NULL | 1 | +----+-----+--------+--------------+------------------------+---------+-------+--------+ 4 rows in set (0.00 sec) 這是個簡單的模型 ... 我把沒用的東西比如副標題推薦語圖片角標等等都去了 ... 庫存也只是寫個意思 ... 實際上庫存不在這里 ... Product 表是抽象的產品表 ... 當前產品下的所有 SKU 的共有屬性保存在這里 ... Item 表是具體的詳情表 ... 所有涉及交易的實體都存在這里 ... 用戶可感知的只有 item.fakeid ... 通過 fakeid 取得其他所有數據 ... ## 方法二 ### 京東的商品 SKU 設計 舉個例子:博世的空調濾清器,再商品列表頁空調濾清器分類博世品牌下全是同一 SPU 不同 SKU 的熱銷商品,進入到單個商品頁面里,也可以選擇其他的 SKU ,選擇其他 SKU 就跳轉到相應的頁面。 這樣價格、庫存都在商品表里保存,只需加一個 SKU 表,保存相關的 SKU 商品配置關系即可。
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