电子商务类网站促销优惠组件设计

物流配送插件设计

                         +-------------+     +-----------------------+User -> Goods -> Cart -> | Delivery    |  -> | Promotions components | -> Checkout                         +-------------+     +-----------------------+                         | rule A      |     | Promotion rule 1      |                         | rule B      |     | Promotion rule 2      |                         | rule C      |     | Promotion rule 3      |                         | rule D      |     | Promotion rule 4      |                         | rule E      |     | Promotion rule 5      |                         +-------------+     +-----------------------+

数据库设计

 +--------------+ | shipping     | +--------------+ | id           |o---+ | name         |    | | ...          |    | +--------------+    |    +----------------------+                     |    | shipping_rule        | +--------------+    |    +----------------------+ | zone         |    |    | id                   | +--------------+    +--->| shipping_id          | | id           |o------->| zone_id              | | name         |         | plugin               | |              |         | ...                  | +--------------+         +----------------------+

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